[GlobalIsel][X86] Support G_UDIV/G_UREM/G_SREM

[aivchenk]

Summary

Support G_UDIV/G_UREM/G_SREM. The instruction selection
code is taken from FastISel with only minor tweaks to adapt
for GlobalISel.

[igorb]

LGTM,
Thanks

llvm/trunk/lib/Target/X86/X86InstructionSelector.cpp

bool selectTurnIntoCOPY(MachineInstr &I, MachineRegisterInfo &MRI,
                           const TargetRegisterClass *DstRC,
                           const unsigned SrcReg,
                           const TargetRegisterClass *SrcRC) const;
   bool materializeFP(MachineInstr &I, MachineRegisterInfo &MRI,
                      MachineFunction &MF) const;
   bool selectImplicitDefOrPHI(MachineInstr &I, MachineRegisterInfo &MRI) const;
   bool selectShift(MachineInstr &I, MachineRegisterInfo &MRI,
                    MachineFunction &MF) const;
-  bool selectSDiv(MachineInstr &I, MachineRegisterInfo &MRI,
+  bool selectDivRem(MachineInstr &I, MachineRegisterInfo &MRI,
                     MachineFunction &MF) const;
   bool selectIntrinsicWSideEffects(MachineInstr &I, MachineRegisterInfo &MRI,
                                    MachineFunction &MF) const;
 
   // emit insert subreg instruction and insert it before MachineInstr &I
   bool emitInsertSubreg(unsigned DstReg, unsigned SrcReg, MachineInstr &I,
                         MachineRegisterInfo &MRI, MachineFunction &MF) const;
   // emit extract subreg instruction and insert it before MachineInstr &I
   bool emitExtractSubreg(unsigned DstReg, unsigned SrcReg, MachineInstr &I,
bool X86InstructionSelector::select(MachineInstr &I,
   case TargetOpcode::G_IMPLICIT_DEF:
   case TargetOpcode::G_PHI:
     return selectImplicitDefOrPHI(I, MRI);
   case TargetOpcode::G_SHL:
   case TargetOpcode::G_ASHR:
   case TargetOpcode::G_LSHR:
     return selectShift(I, MRI, MF);
   case TargetOpcode::G_SDIV:
-    return selectSDiv(I, MRI, MF);
+  case TargetOpcode::G_UDIV:
+  case TargetOpcode::G_SREM:
+  case TargetOpcode::G_UREM:
+    return selectDivRem(I, MRI, MF);
   case TargetOpcode::G_INTRINSIC_W_SIDE_EFFECTS:
     return selectIntrinsicWSideEffects(I, MRI, MF);
   }
 
   return false;
 }
 
 unsigned X86InstructionSelector::getLoadStoreOp(const LLT &Ty,
MachineInstr &ShiftInst =
       *BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(Opcode), DstReg)
            .addReg(Op0Reg);
 
   constrainSelectedInstRegOperands(ShiftInst, TII, TRI, RBI);
   I.eraseFromParent();
   return true;
 }
 
-bool X86InstructionSelector::selectSDiv(MachineInstr &I,
+bool X86InstructionSelector::selectDivRem(MachineInstr &I,
                                           MachineRegisterInfo &MRI,
                                           MachineFunction &MF) const {
-
-  assert(I.getOpcode() == TargetOpcode::G_SDIV && "unexpected instruction");
+  // The implementation of this function is taken from X86FastISel.
+  assert((I.getOpcode() == TargetOpcode::G_SDIV ||
+          I.getOpcode() == TargetOpcode::G_SREM ||
+          I.getOpcode() == TargetOpcode::G_UDIV ||
+          I.getOpcode() == TargetOpcode::G_UREM) &&
+         "unexpected instruction");
 
   const unsigned DstReg = I.getOperand(0).getReg();
-  const unsigned DividentReg = I.getOperand(1).getReg();
-  const unsigned DiviserReg = I.getOperand(2).getReg();
+  const unsigned Op1Reg = I.getOperand(1).getReg();
+  const unsigned Op2Reg = I.getOperand(2).getReg();
 
   const LLT RegTy = MRI.getType(DstReg);
-  assert(RegTy == MRI.getType(DividentReg) &&
-         RegTy == MRI.getType(DiviserReg) &&
+  assert(RegTy == MRI.getType(Op1Reg) && RegTy == MRI.getType(Op2Reg) &&
          "Arguments and return value types must match");
 
   const RegisterBank &RegRB = *RBI.getRegBank(DstReg, MRI, TRI);
+  if (RegRB.getID() != X86::GPRRegBankID)
+    return false;
 
+  const static unsigned NumTypes = 4; // i8, i16, i32, i64
+  const static unsigned NumOps = 4;   // SDiv, SRem, UDiv, URem
+  const static bool S = true;         // IsSigned
+  const static bool U = false;        // !IsSigned
+  const static unsigned Copy = TargetOpcode::COPY;
   // For the X86 IDIV instruction, in most cases the dividend
   // (numerator) must be in a specific register pair highreg:lowreg,
   // producing the quotient in lowreg and the remainder in highreg.
   // For most data types, to set up the instruction, the dividend is
   // copied into lowreg, and lowreg is sign-extended into highreg.  The
   // exception is i8, where the dividend is defined as a single register rather
   // than a register pair, and we therefore directly sign-extend the dividend
   // into lowreg, instead of copying, and ignore the highreg.
-  const static struct SDivEntry {
+  const static struct DivRemEntry {
+    // The following portion depends only on the data type.
     unsigned SizeInBits;
-    unsigned QuotientReg;
-    unsigned DividentRegUpper;
-    unsigned DividentRegLower;
-    unsigned OpSignExtend;
-    unsigned OpCopy;
-    unsigned OpDiv;
-  } OpTable[] = {
-      {8, X86::AL, X86::NoRegister, X86::AX, 0, X86::MOVSX16rr8,
-       X86::IDIV8r}, // i8
-      {16, X86::AX, X86::DX, X86::AX, X86::CWD, TargetOpcode::COPY,
-       X86::IDIV16r}, // i16
-      {32, X86::EAX, X86::EDX, X86::EAX, X86::CDQ, TargetOpcode::COPY,
-       X86::IDIV32r}, // i32
-      {64, X86::RAX, X86::RDX, X86::RAX, X86::CQO, TargetOpcode::COPY,
-       X86::IDIV64r} // i64
+    unsigned LowInReg;  // low part of the register pair
+    unsigned HighInReg; // high part of the register pair
+    // The following portion depends on both the data type and the operation.
+    struct DivRemResult {
+      unsigned OpDivRem;        // The specific DIV/IDIV opcode to use.
+      unsigned OpSignExtend;    // Opcode for sign-extending lowreg into
+                                // highreg, or copying a zero into highreg.
+      unsigned OpCopy;          // Opcode for copying dividend into lowreg, or
+                                // zero/sign-extending into lowreg for i8.
+      unsigned DivRemResultReg; // Register containing the desired result.
+      bool IsOpSigned;          // Whether to use signed or unsigned form.
+    } ResultTable[NumOps];
+  } OpTable[NumTypes] = {
+      {8,
+       X86::AX,
+       0,
+       {
+           {X86::IDIV8r, 0, X86::MOVSX16rr8, X86::AL, S}, // SDiv
+           {X86::IDIV8r, 0, X86::MOVSX16rr8, X86::AH, S}, // SRem
+           {X86::DIV8r, 0, X86::MOVZX16rr8, X86::AL, U},  // UDiv
+           {X86::DIV8r, 0, X86::MOVZX16rr8, X86::AH, U},  // URem
+       }},                                                // i8
+      {16,
+       X86::AX,
+       X86::DX,
+       {
+           {X86::IDIV16r, X86::CWD, Copy, X86::AX, S},    // SDiv
+           {X86::IDIV16r, X86::CWD, Copy, X86::DX, S},    // SRem
+           {X86::DIV16r, X86::MOV32r0, Copy, X86::AX, U}, // UDiv
+           {X86::DIV16r, X86::MOV32r0, Copy, X86::DX, U}, // URem
+       }},                                                // i16
+      {32,
+       X86::EAX,
+       X86::EDX,
+       {
+           {X86::IDIV32r, X86::CDQ, Copy, X86::EAX, S},    // SDiv
+           {X86::IDIV32r, X86::CDQ, Copy, X86::EDX, S},    // SRem
+           {X86::DIV32r, X86::MOV32r0, Copy, X86::EAX, U}, // UDiv
+           {X86::DIV32r, X86::MOV32r0, Copy, X86::EDX, U}, // URem
+       }},                                                 // i32
+      {64,
+       X86::RAX,
+       X86::RDX,
+       {
+           {X86::IDIV64r, X86::CQO, Copy, X86::RAX, S},    // SDiv
+           {X86::IDIV64r, X86::CQO, Copy, X86::RDX, S},    // SRem
+           {X86::DIV64r, X86::MOV32r0, Copy, X86::RAX, U}, // UDiv
+           {X86::DIV64r, X86::MOV32r0, Copy, X86::RDX, U}, // URem
+       }},                                                 // i64
   };
 
-  if (RegRB.getID() != X86::GPRRegBankID)
-    return false;
-
-  auto SDivEntryIt = std::find_if(
-      std::begin(OpTable), std::end(OpTable), [RegTy](const SDivEntry &El) {
+  auto OpEntryIt = std::find_if(std::begin(OpTable), std::end(OpTable),
+                                [RegTy](const DivRemEntry &El) {
                                   return El.SizeInBits == RegTy.getSizeInBits();
                                 });
-
-  if (SDivEntryIt == std::end(OpTable))
+  if (OpEntryIt == std::end(OpTable))
     return false;
 
+  unsigned OpIndex;
+  switch (I.getOpcode()) {
+  default:
+    llvm_unreachable("Unexpected div/rem opcode");
+  case TargetOpcode::G_SDIV:
+    OpIndex = 0;
+    break;
+  case TargetOpcode::G_SREM:
+    OpIndex = 1;
+    break;
+  case TargetOpcode::G_UDIV:
+    OpIndex = 2;
+    break;
+  case TargetOpcode::G_UREM:
+    OpIndex = 3;
+    break;
+  }
+
+  const DivRemEntry &TypeEntry = *OpEntryIt;
+  const DivRemEntry::DivRemResult &OpEntry = TypeEntry.ResultTable[OpIndex];
+
   const TargetRegisterClass *RegRC = getRegClass(RegTy, RegRB);
-  if (!RBI.constrainGenericRegister(DividentReg, *RegRC, MRI) ||
-      !RBI.constrainGenericRegister(DiviserReg, *RegRC, MRI) ||
+  if (!RBI.constrainGenericRegister(Op1Reg, *RegRC, MRI) ||
+      !RBI.constrainGenericRegister(Op2Reg, *RegRC, MRI) ||
       !RBI.constrainGenericRegister(DstReg, *RegRC, MRI)) {
     LLVM_DEBUG(dbgs() << "Failed to constrain " << TII.getName(I.getOpcode())
                       << " operand\n");
     return false;
   }
 
-  BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(SDivEntryIt->OpCopy),
-          SDivEntryIt->DividentRegLower)
-      .addReg(DividentReg);
-  if (SDivEntryIt->DividentRegUpper != X86::NoRegister)
+  // Move op1 into low-order input register.
+  BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(OpEntry.OpCopy),
+          TypeEntry.LowInReg)
+      .addReg(Op1Reg);
+  // Zero-extend or sign-extend into high-order input register.
+  if (OpEntry.OpSignExtend) {
+    if (OpEntry.IsOpSigned)
+      BuildMI(*I.getParent(), I, I.getDebugLoc(),
+              TII.get(OpEntry.OpSignExtend));
+    else {
+      unsigned Zero32 = MRI.createVirtualRegister(&X86::GR32RegClass);
+      BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(X86::MOV32r0),
+              Zero32);
+
+      // Copy the zero into the appropriate sub/super/identical physical
+      // register. Unfortunately the operations needed are not uniform enough
+      // to fit neatly into the table above.
+      if (RegTy.getSizeInBits() == 16) {
+        BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(Copy),
+                TypeEntry.HighInReg)
+            .addReg(Zero32, 0, X86::sub_16bit);
+      } else if (RegTy.getSizeInBits() == 32) {
+        BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(Copy),
+                TypeEntry.HighInReg)
+            .addReg(Zero32);
+      } else if (RegTy.getSizeInBits() == 64) {
+        BuildMI(*I.getParent(), I, I.getDebugLoc(),
+                TII.get(TargetOpcode::SUBREG_TO_REG), TypeEntry.HighInReg)
+            .addImm(0)
+            .addReg(Zero32)
+            .addImm(X86::sub_32bit);
+      }
+    }
+  }
+  // Generate the DIV/IDIV instruction.
+  BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(OpEntry.OpDivRem))
+      .addReg(Op2Reg);
+  // For i8 remainder, we can't reference ah directly, as we'll end
+  // up with bogus copies like %r9b = COPY %ah. Reference ax
+  // instead to prevent ah references in a rex instruction.
+  //
+  // The current assumption of the fast register allocator is that isel
+  // won't generate explicit references to the GR8_NOREX registers. If
+  // the allocator and/or the backend get enhanced to be more robust in
+  // that regard, this can be, and should be, removed.
+  if ((I.getOpcode() == Instruction::SRem ||
+       I.getOpcode() == Instruction::URem) &&
+      OpEntry.DivRemResultReg == X86::AH && STI.is64Bit()) {
+    unsigned SourceSuperReg = MRI.createVirtualRegister(&X86::GR16RegClass);
+    unsigned ResultSuperReg = MRI.createVirtualRegister(&X86::GR16RegClass);
+    BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(Copy), SourceSuperReg)
+        .addReg(X86::AX);
+
+    // Shift AX right by 8 bits instead of using AH.
+    BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(X86::SHR16ri),
+            ResultSuperReg)
+        .addReg(SourceSuperReg)
+        .addImm(8);
+
+    // Now reference the 8-bit subreg of the result.
     BuildMI(*I.getParent(), I, I.getDebugLoc(),
-            TII.get(SDivEntryIt->OpSignExtend));
-  BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(SDivEntryIt->OpDiv))
-      .addReg(DiviserReg);
+            TII.get(TargetOpcode::SUBREG_TO_REG))
+        .addDef(DstReg)
+        .addImm(0)
+        .addReg(ResultSuperReg)
+        .addImm(X86::sub_8bit);
+  } else {
     BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(TargetOpcode::COPY),
             DstReg)
-      .addReg(SDivEntryIt->QuotientReg);
-
+        .addReg(OpEntry.DivRemResultReg);
+  }
   I.eraseFromParent();
   return true;
 }
 
 bool X86InstructionSelector::selectIntrinsicWSideEffects(
     MachineInstr &I, MachineRegisterInfo &MRI, MachineFunction &MF) const {
 
   assert(I.getOpcode() == TargetOpcode::G_INTRINSIC_W_SIDE_EFFECTS &&

llvm/trunk/lib/Target/X86/X86LegalizerInfo.cpp

void X86LegalizerInfo::setLegalizerInfo32bit() {
   if (!Subtarget.is64Bit()) {
     getActionDefinitionsBuilder(G_PTRTOINT)
         .legalForCartesianProduct({s1, s8, s16, s32}, {p0})
         .maxScalar(0, s32)
         .widenScalarToNextPow2(0, /*Min*/ 8);
     getActionDefinitionsBuilder(G_INTTOPTR).legalFor({{p0, s32}});
 
     // Shifts and SDIV
-    getActionDefinitionsBuilder({G_SHL, G_LSHR, G_ASHR, G_SDIV})
+    getActionDefinitionsBuilder(
+        {G_SHL, G_LSHR, G_ASHR, G_SDIV, G_SREM, G_UDIV, G_UREM})
         .legalFor({s8, s16, s32})
         .clampScalar(0, s8, s32);
   }
 
   // Control-flow
   setAction({G_BRCOND, s1}, Legal);
 
   // Constants
void X86LegalizerInfo::setLegalizerInfo64bit() {
 
   getActionDefinitionsBuilder(G_FCMP)
       .legalForCartesianProduct({s8}, {s32, s64})
       .clampScalar(0, s8, s8)
       .clampScalar(1, s32, s64)
       .widenScalarToNextPow2(1);
 
   // Shifts and SDIV
-  getActionDefinitionsBuilder({G_SHL, G_LSHR, G_ASHR, G_SDIV})
+  getActionDefinitionsBuilder(
+      {G_SHL, G_LSHR, G_ASHR, G_SDIV, G_SREM, G_UDIV, G_UREM})
       .legalFor({s8, s16, s32, s64})
       .clampScalar(0, s8, s64);
 
   // Merge/Unmerge
   setAction({G_MERGE_VALUES, s128}, Legal);
   setAction({G_UNMERGE_VALUES, 1, s128}, Legal);
   setAction({G_MERGE_VALUES, 1, s128}, Legal);
   setAction({G_UNMERGE_VALUES, s128}, Legal);
 }
 

llvm/trunk/test/CodeGen/X86/GlobalISel/x86-legalize-srem.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=i686-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'srem.ll'
+  source_filename = "srem.ll"
+  target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
+  target triple = "i386--linux-gnu"
+
+  define i8 @test_srem_i8(i8 %arg1, i8 %arg2) {
+    %res = srem i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_srem_i16(i16 %arg1, i16 %arg2) {
+    %res = srem i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_srem_i32(i32 %arg1, i32 %arg2) {
+    %res = srem i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+...
+---
+name:            test_srem_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 1, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 1, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_srem_i8
+    ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    ; CHECK: [[LOAD:%[0-9]+]]:_(s8) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load 1 from %fixed-stack.0, align 0)
+    ; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[FRAME_INDEX1]](p0) :: (invariant load 1 from %fixed-stack.1, align 0)
+    ; CHECK: [[SREM:%[0-9]+]]:_(s8) = G_SREM [[LOAD]], [[LOAD1]]
+    ; CHECK: $al = COPY [[SREM]](s8)
+    ; CHECK: RET 0, implicit $al
+    %2:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:_(s8) = G_LOAD %2(p0) :: (invariant load 1 from %fixed-stack.1, align 0)
+    %3:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:_(s8) = G_LOAD %3(p0) :: (invariant load 1 from %fixed-stack.0, align 0)
+    %4:_(s8) = G_SREM %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_srem_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 2, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 2, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_srem_i16
+    ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    ; CHECK: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load 2 from %fixed-stack.0, align 0)
+    ; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(s16) = G_LOAD [[FRAME_INDEX1]](p0) :: (invariant load 2 from %fixed-stack.1, align 0)
+    ; CHECK: [[SREM:%[0-9]+]]:_(s16) = G_SREM [[LOAD]], [[LOAD1]]
+    ; CHECK: $ax = COPY [[SREM]](s16)
+    ; CHECK: RET 0, implicit $ax
+    %2:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:_(s16) = G_LOAD %2(p0) :: (invariant load 2 from %fixed-stack.1, align 0)
+    %3:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:_(s16) = G_LOAD %3(p0) :: (invariant load 2 from %fixed-stack.0, align 0)
+    %4:_(s16) = G_SREM %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_srem_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 4, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 4, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_srem_i32
+    ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    ; CHECK: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load 4 from %fixed-stack.0, align 0)
+    ; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX1]](p0) :: (invariant load 4 from %fixed-stack.1, align 0)
+    ; CHECK: [[SREM:%[0-9]+]]:_(s32) = G_SREM [[LOAD]], [[LOAD1]]
+    ; CHECK: $eax = COPY [[SREM]](s32)
+    ; CHECK: RET 0, implicit $eax
+    %2:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:_(s32) = G_LOAD %2(p0) :: (invariant load 4 from %fixed-stack.1, align 0)
+    %3:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:_(s32) = G_LOAD %3(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
+    %4:_(s32) = G_SREM %0, %1
+    $eax = COPY %4(s32)
+    RET 0, implicit $eax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86-legalize-udiv.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=i686-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'udiv.ll'
+  source_filename = "udiv.ll"
+  target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+  define i8 @test_udiv_i8(i8 %arg1, i8 %arg2) {
+    %res = udiv i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_udiv_i16(i16 %arg1, i16 %arg2) {
+    %res = udiv i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_udiv_i32(i32 %arg1, i32 %arg2) {
+    %res = udiv i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+...
+---
+name:            test_udiv_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_udiv_i8
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[UDIV:%[0-9]+]]:_(s8) = G_UDIV [[TRUNC]], [[TRUNC1]]
+    ; CHECK: $al = COPY [[UDIV]](s8)
+    ; CHECK: RET 0, implicit $al
+    %2:_(s32) = COPY $edi
+    %0:_(s8) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $esi
+    %1:_(s8) = G_TRUNC %3(s32)
+    %4:_(s8) = G_UDIV %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_udiv_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_udiv_i16
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[UDIV:%[0-9]+]]:_(s16) = G_UDIV [[TRUNC]], [[TRUNC1]]
+    ; CHECK: $ax = COPY [[UDIV]](s16)
+    ; CHECK: RET 0, implicit $ax
+    %2:_(s32) = COPY $edi
+    %0:_(s16) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $esi
+    %1:_(s16) = G_TRUNC %3(s32)
+    %4:_(s16) = G_UDIV %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_udiv_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_udiv_i32
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[UDIV:%[0-9]+]]:_(s32) = G_UDIV [[COPY]], [[COPY1]]
+    ; CHECK: $eax = COPY [[UDIV]](s32)
+    ; CHECK: RET 0, implicit $eax
+    %0:_(s32) = COPY $edi
+    %1:_(s32) = COPY $esi
+    %2:_(s32) = G_UDIV %0, %1
+    $eax = COPY %2(s32)
+    RET 0, implicit $eax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86-legalize-urem.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=i686-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'urem.ll'
+  source_filename = "urem.ll"
+  target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
+  target triple = "i386--linux-gnu"
+
+  define i8 @test_urem_i8(i8 %arg1, i8 %arg2) {
+    %res = urem i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_urem_i16(i16 %arg1, i16 %arg2) {
+    %res = urem i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_urem_i32(i32 %arg1, i32 %arg2) {
+    %res = urem i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+...
+---
+name:            test_urem_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 1, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 1, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_urem_i8
+    ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    ; CHECK: [[LOAD:%[0-9]+]]:_(s8) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load 1 from %fixed-stack.0, align 0)
+    ; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[FRAME_INDEX1]](p0) :: (invariant load 1 from %fixed-stack.1, align 0)
+    ; CHECK: [[UREM:%[0-9]+]]:_(s8) = G_UREM [[LOAD]], [[LOAD1]]
+    ; CHECK: $al = COPY [[UREM]](s8)
+    ; CHECK: RET 0, implicit $al
+    %2:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:_(s8) = G_LOAD %2(p0) :: (invariant load 1 from %fixed-stack.1, align 0)
+    %3:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:_(s8) = G_LOAD %3(p0) :: (invariant load 1 from %fixed-stack.0, align 0)
+    %4:_(s8) = G_UREM %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_urem_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 2, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 2, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_urem_i16
+    ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    ; CHECK: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load 2 from %fixed-stack.0, align 0)
+    ; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(s16) = G_LOAD [[FRAME_INDEX1]](p0) :: (invariant load 2 from %fixed-stack.1, align 0)
+    ; CHECK: [[UREM:%[0-9]+]]:_(s16) = G_UREM [[LOAD]], [[LOAD1]]
+    ; CHECK: $ax = COPY [[UREM]](s16)
+    ; CHECK: RET 0, implicit $ax
+    %2:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:_(s16) = G_LOAD %2(p0) :: (invariant load 2 from %fixed-stack.1, align 0)
+    %3:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:_(s16) = G_LOAD %3(p0) :: (invariant load 2 from %fixed-stack.0, align 0)
+    %4:_(s16) = G_UREM %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_urem_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 4, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 4, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_urem_i32
+    ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    ; CHECK: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX]](p0) :: (invariant load 4 from %fixed-stack.0, align 0)
+    ; CHECK: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX1]](p0) :: (invariant load 4 from %fixed-stack.1, align 0)
+    ; CHECK: [[UREM:%[0-9]+]]:_(s32) = G_UREM [[LOAD]], [[LOAD1]]
+    ; CHECK: $eax = COPY [[UREM]](s32)
+    ; CHECK: RET 0, implicit $eax
+    %2:_(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:_(s32) = G_LOAD %2(p0) :: (invariant load 4 from %fixed-stack.1, align 0)
+    %3:_(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:_(s32) = G_LOAD %3(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
+    %4:_(s32) = G_UREM %0, %1
+    $eax = COPY %4(s32)
+    RET 0, implicit $eax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86-select-srem.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=i386-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'srem.ll'
+  source_filename = "srem.ll"
+  target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
+  target triple = "i386--linux-gnu"
+
+  define i8 @test_srem_i8(i8 %arg1, i8 %arg2) {
+    %res = srem i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_srem_i16(i16 %arg1, i16 %arg2) {
+    %res = srem i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_srem_i32(i32 %arg1, i32 %arg2) {
+    %res = srem i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+...
+---
+name:            test_srem_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 1, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 1, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_srem_i8
+    ; CHECK: [[MOV8rm:%[0-9]+]]:gr8 = MOV8rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (invariant load 1 from %fixed-stack.0, align 0)
+    ; CHECK: [[MOV8rm1:%[0-9]+]]:gr8 = MOV8rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (invariant load 1 from %fixed-stack.1, align 0)
+    ; CHECK: $ax = MOVSX16rr8 [[MOV8rm]]
+    ; CHECK: IDIV8r [[MOV8rm1]], implicit-def $al, implicit-def $ah, implicit-def $eflags, implicit $ax
+    ; CHECK: [[COPY:%[0-9]+]]:gr8 = COPY $ah
+    ; CHECK: $al = COPY [[COPY]]
+    ; CHECK: RET 0, implicit $al
+    %2:gpr(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:gpr(s8) = G_LOAD %2(p0) :: (invariant load 1 from %fixed-stack.1, align 0)
+    %3:gpr(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:gpr(s8) = G_LOAD %3(p0) :: (invariant load 1 from %fixed-stack.0, align 0)
+    %4:gpr(s8) = G_SREM %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_srem_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 2, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 2, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_srem_i16
+    ; CHECK: [[MOV16rm:%[0-9]+]]:gr16 = MOV16rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (invariant load 2 from %fixed-stack.0, align 0)
+    ; CHECK: [[MOV16rm1:%[0-9]+]]:gr16 = MOV16rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (invariant load 2 from %fixed-stack.1, align 0)
+    ; CHECK: $ax = COPY [[MOV16rm]]
+    ; CHECK: CWD implicit-def $ax, implicit-def $dx, implicit $ax
+    ; CHECK: IDIV16r [[MOV16rm1]], implicit-def $ax, implicit-def $dx, implicit-def $eflags, implicit $ax, implicit $dx
+    ; CHECK: [[COPY:%[0-9]+]]:gr16 = COPY $dx
+    ; CHECK: $ax = COPY [[COPY]]
+    ; CHECK: RET 0, implicit $ax
+    %2:gpr(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:gpr(s16) = G_LOAD %2(p0) :: (invariant load 2 from %fixed-stack.1, align 0)
+    %3:gpr(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:gpr(s16) = G_LOAD %3(p0) :: (invariant load 2 from %fixed-stack.0, align 0)
+    %4:gpr(s16) = G_SREM %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_srem_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 4, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 4, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_srem_i32
+    ; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (invariant load 4 from %fixed-stack.0, align 0)
+    ; CHECK: [[MOV32rm1:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (invariant load 4 from %fixed-stack.1, align 0)
+    ; CHECK: $eax = COPY [[MOV32rm]]
+    ; CHECK: CDQ implicit-def $eax, implicit-def $edx, implicit $eax
+    ; CHECK: IDIV32r [[MOV32rm1]], implicit-def $eax, implicit-def $edx, implicit-def $eflags, implicit $eax, implicit $edx
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edx
+    ; CHECK: $eax = COPY [[COPY]]
+    ; CHECK: RET 0, implicit $eax
+    %2:gpr(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:gpr(s32) = G_LOAD %2(p0) :: (invariant load 4 from %fixed-stack.1, align 0)
+    %3:gpr(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:gpr(s32) = G_LOAD %3(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
+    %4:gpr(s32) = G_SREM %0, %1
+    $eax = COPY %4(s32)
+    RET 0, implicit $eax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86-select-udiv.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=i386-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'udiv.ll'
+  source_filename = "udiv.ll"
+  target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
+  target triple = "i386--linux-gnu"
+
+  define i8 @test_udiv_i8(i8 %arg1, i8 %arg2) {
+    %res = udiv i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_udiv_i16(i16 %arg1, i16 %arg2) {
+    %res = udiv i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_udiv_i32(i32 %arg1, i32 %arg2) {
+    %res = udiv i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+...
+---
+name:            test_udiv_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 1, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 1, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_udiv_i8
+    ; CHECK: [[MOV8rm:%[0-9]+]]:gr8 = MOV8rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (invariant load 1 from %fixed-stack.0, align 0)
+    ; CHECK: [[MOV8rm1:%[0-9]+]]:gr8 = MOV8rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (invariant load 1 from %fixed-stack.1, align 0)
+    ; CHECK: $ax = MOVZX16rr8 [[MOV8rm]]
+    ; CHECK: DIV8r [[MOV8rm1]], implicit-def $al, implicit-def $ah, implicit-def $eflags, implicit $ax
+    ; CHECK: [[COPY:%[0-9]+]]:gr8 = COPY $al
+    ; CHECK: $al = COPY [[COPY]]
+    ; CHECK: RET 0, implicit $al
+    %2:gpr(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:gpr(s8) = G_LOAD %2(p0) :: (invariant load 1 from %fixed-stack.1, align 0)
+    %3:gpr(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:gpr(s8) = G_LOAD %3(p0) :: (invariant load 1 from %fixed-stack.0, align 0)
+    %4:gpr(s8) = G_UDIV %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_udiv_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 2, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 2, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_udiv_i16
+    ; CHECK: [[MOV16rm:%[0-9]+]]:gr16 = MOV16rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (invariant load 2 from %fixed-stack.0, align 0)
+    ; CHECK: [[MOV16rm1:%[0-9]+]]:gr16 = MOV16rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (invariant load 2 from %fixed-stack.1, align 0)
+    ; CHECK: $ax = COPY [[MOV16rm]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $dx = COPY [[MOV32r0_]].sub_16bit
+    ; CHECK: DIV16r [[MOV16rm1]], implicit-def $ax, implicit-def $dx, implicit-def $eflags, implicit $ax, implicit $dx
+    ; CHECK: [[COPY:%[0-9]+]]:gr16 = COPY $ax
+    ; CHECK: $ax = COPY [[COPY]]
+    ; CHECK: RET 0, implicit $ax
+    %2:gpr(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:gpr(s16) = G_LOAD %2(p0) :: (invariant load 2 from %fixed-stack.1, align 0)
+    %3:gpr(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:gpr(s16) = G_LOAD %3(p0) :: (invariant load 2 from %fixed-stack.0, align 0)
+    %4:gpr(s16) = G_UDIV %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_udiv_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 4, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 4, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_udiv_i32
+    ; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (invariant load 4 from %fixed-stack.0, align 0)
+    ; CHECK: [[MOV32rm1:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (invariant load 4 from %fixed-stack.1, align 0)
+    ; CHECK: $eax = COPY [[MOV32rm]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $edx = COPY [[MOV32r0_]]
+    ; CHECK: DIV32r [[MOV32rm1]], implicit-def $eax, implicit-def $edx, implicit-def $eflags, implicit $eax, implicit $edx
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $eax
+    ; CHECK: $eax = COPY [[COPY]]
+    ; CHECK: RET 0, implicit $eax
+    %2:gpr(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:gpr(s32) = G_LOAD %2(p0) :: (invariant load 4 from %fixed-stack.1, align 0)
+    %3:gpr(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:gpr(s32) = G_LOAD %3(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
+    %4:gpr(s32) = G_UDIV %0, %1
+    $eax = COPY %4(s32)
+    RET 0, implicit $eax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86-select-urem.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=i386-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'urem.ll'
+  source_filename = "urem.ll"
+  target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
+  target triple = "i386--linux-gnu"
+
+  define i8 @test_urem_i8(i8 %arg1, i8 %arg2) {
+    %res = urem i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_urem_i16(i16 %arg1, i16 %arg2) {
+    %res = urem i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_urem_i32(i32 %arg1, i32 %arg2) {
+    %res = urem i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+...
+---
+name:            test_urem_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 1, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 1, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_urem_i8
+    ; CHECK: [[MOV8rm:%[0-9]+]]:gr8 = MOV8rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (invariant load 1 from %fixed-stack.0, align 0)
+    ; CHECK: [[MOV8rm1:%[0-9]+]]:gr8 = MOV8rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (invariant load 1 from %fixed-stack.1, align 0)
+    ; CHECK: $ax = MOVZX16rr8 [[MOV8rm]]
+    ; CHECK: DIV8r [[MOV8rm1]], implicit-def $al, implicit-def $ah, implicit-def $eflags, implicit $ax
+    ; CHECK: [[COPY:%[0-9]+]]:gr8 = COPY $ah
+    ; CHECK: $al = COPY [[COPY]]
+    ; CHECK: RET 0, implicit $al
+    %2:gpr(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:gpr(s8) = G_LOAD %2(p0) :: (invariant load 1 from %fixed-stack.1, align 0)
+    %3:gpr(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:gpr(s8) = G_LOAD %3(p0) :: (invariant load 1 from %fixed-stack.0, align 0)
+    %4:gpr(s8) = G_UREM %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_urem_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 2, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 2, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_urem_i16
+    ; CHECK: [[MOV16rm:%[0-9]+]]:gr16 = MOV16rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (invariant load 2 from %fixed-stack.0, align 0)
+    ; CHECK: [[MOV16rm1:%[0-9]+]]:gr16 = MOV16rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (invariant load 2 from %fixed-stack.1, align 0)
+    ; CHECK: $ax = COPY [[MOV16rm]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $dx = COPY [[MOV32r0_]].sub_16bit
+    ; CHECK: DIV16r [[MOV16rm1]], implicit-def $ax, implicit-def $dx, implicit-def $eflags, implicit $ax, implicit $dx
+    ; CHECK: [[COPY:%[0-9]+]]:gr16 = COPY $dx
+    ; CHECK: $ax = COPY [[COPY]]
+    ; CHECK: RET 0, implicit $ax
+    %2:gpr(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:gpr(s16) = G_LOAD %2(p0) :: (invariant load 2 from %fixed-stack.1, align 0)
+    %3:gpr(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:gpr(s16) = G_LOAD %3(p0) :: (invariant load 2 from %fixed-stack.0, align 0)
+    %4:gpr(s16) = G_UREM %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_urem_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    4
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+  - { id: 0, type: default, offset: 4, size: 4, alignment: 4, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+  - { id: 1, type: default, offset: 0, size: 4, alignment: 16, stack-id: 0,
+      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
+      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    ; CHECK-LABEL: name: test_urem_i32
+    ; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.0, 1, $noreg, 0, $noreg :: (invariant load 4 from %fixed-stack.0, align 0)
+    ; CHECK: [[MOV32rm1:%[0-9]+]]:gr32 = MOV32rm %fixed-stack.1, 1, $noreg, 0, $noreg :: (invariant load 4 from %fixed-stack.1, align 0)
+    ; CHECK: $eax = COPY [[MOV32rm]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $edx = COPY [[MOV32r0_]]
+    ; CHECK: DIV32r [[MOV32rm1]], implicit-def $eax, implicit-def $edx, implicit-def $eflags, implicit $eax, implicit $edx
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edx
+    ; CHECK: $eax = COPY [[COPY]]
+    ; CHECK: RET 0, implicit $eax
+    %2:gpr(p0) = G_FRAME_INDEX %fixed-stack.1
+    %0:gpr(s32) = G_LOAD %2(p0) :: (invariant load 4 from %fixed-stack.1, align 0)
+    %3:gpr(p0) = G_FRAME_INDEX %fixed-stack.0
+    %1:gpr(s32) = G_LOAD %3(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
+    %4:gpr(s32) = G_UREM %0, %1
+    $eax = COPY %4(s32)
+    RET 0, implicit $eax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86_64-irtranslator.ll

define float @test_fptrunc(double %in) {
   ; CHECK:   [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s128)
   ; CHECK:   [[FPTRUNC:%[0-9]+]]:_(s32) = G_FPTRUNC [[TRUNC]](s64)
   ; CHECK:   [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[FPTRUNC]](s32)
   ; CHECK:   $xmm0 = COPY [[ANYEXT]](s128)
   ; CHECK:   RET 0, implicit $xmm0
   %res = fptrunc double %in to float
   ret float %res
 }
+
+define i8 @test_srem_i8(i8 %arg1, i8 %arg2) {
+  ; CHECK-LABEL: name: test_srem_i8
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $edi, $esi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+  ; CHECK:   [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+  ; CHECK:   [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
+  ; CHECK:   [[SREM:%[0-9]+]]:_(s8) = G_SREM [[TRUNC]], [[TRUNC1]]
+  ; CHECK:   $al = COPY [[SREM]](s8)
+  ; CHECK:   RET 0, implicit $al
+  %res = srem i8 %arg1, %arg2
+  ret i8 %res
+}
+
+define i16 @test_srem_i16(i16 %arg1, i16 %arg2) {
+  ; CHECK-LABEL: name: test_srem_i16
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $edi, $esi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+  ; CHECK:   [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+  ; CHECK:   [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
+  ; CHECK:   [[SREM:%[0-9]+]]:_(s16) = G_SREM [[TRUNC]], [[TRUNC1]]
+  ; CHECK:   $ax = COPY [[SREM]](s16)
+  ; CHECK:   RET 0, implicit $ax
+  %res = srem i16 %arg1, %arg2
+  ret i16 %res
+}
+
+define i32 @test_srem_i32(i32 %arg1, i32 %arg2) {
+  ; CHECK-LABEL: name: test_srem_i32
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $edi, $esi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+  ; CHECK:   [[SREM:%[0-9]+]]:_(s32) = G_SREM [[COPY]], [[COPY1]]
+  ; CHECK:   $eax = COPY [[SREM]](s32)
+  ; CHECK:   RET 0, implicit $eax
+  %res = srem i32 %arg1, %arg2
+  ret i32 %res
+}
+
+define i64 @test_srem_i64(i64 %arg1, i64 %arg2) {
+  ; CHECK-LABEL: name: test_srem_i64
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $rdi, $rsi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s64) = COPY $rdi
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s64) = COPY $rsi
+  ; CHECK:   [[SREM:%[0-9]+]]:_(s64) = G_SREM [[COPY]], [[COPY1]]
+  ; CHECK:   $rax = COPY [[SREM]](s64)
+  ; CHECK:   RET 0, implicit $rax
+  %res = srem i64 %arg1, %arg2
+  ret i64 %res
+}
+
+define i8 @test_udiv_i8(i8 %arg1, i8 %arg2) {
+  ; CHECK-LABEL: name: test_udiv_i8
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $edi, $esi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+  ; CHECK:   [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+  ; CHECK:   [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
+  ; CHECK:   [[UDIV:%[0-9]+]]:_(s8) = G_UDIV [[TRUNC]], [[TRUNC1]]
+  ; CHECK:   $al = COPY [[UDIV]](s8)
+  ; CHECK:   RET 0, implicit $al
+  %res = udiv i8 %arg1, %arg2
+  ret i8 %res
+}
+
+define i16 @test_udiv_i16(i16 %arg1, i16 %arg2) {
+  ; CHECK-LABEL: name: test_udiv_i16
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $edi, $esi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+  ; CHECK:   [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+  ; CHECK:   [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
+  ; CHECK:   [[UDIV:%[0-9]+]]:_(s16) = G_UDIV [[TRUNC]], [[TRUNC1]]
+  ; CHECK:   $ax = COPY [[UDIV]](s16)
+  ; CHECK:   RET 0, implicit $ax
+  %res = udiv i16 %arg1, %arg2
+  ret i16 %res
+}
+
+define i32 @test_udiv_i32(i32 %arg1, i32 %arg2) {
+  ; CHECK-LABEL: name: test_udiv_i32
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $edi, $esi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+  ; CHECK:   [[UDIV:%[0-9]+]]:_(s32) = G_UDIV [[COPY]], [[COPY1]]
+  ; CHECK:   $eax = COPY [[UDIV]](s32)
+  ; CHECK:   RET 0, implicit $eax
+  %res = udiv i32 %arg1, %arg2
+  ret i32 %res
+}
+
+define i64 @test_udiv_i64(i64 %arg1, i64 %arg2) {
+  ; CHECK-LABEL: name: test_udiv_i64
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $rdi, $rsi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s64) = COPY $rdi
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s64) = COPY $rsi
+  ; CHECK:   [[UDIV:%[0-9]+]]:_(s64) = G_UDIV [[COPY]], [[COPY1]]
+  ; CHECK:   $rax = COPY [[UDIV]](s64)
+  ; CHECK:   RET 0, implicit $rax
+  %res = udiv i64 %arg1, %arg2
+  ret i64 %res
+}
+
+define i8 @test_urem_i8(i8 %arg1, i8 %arg2) {
+  ; CHECK-LABEL: name: test_urem_i8
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $edi, $esi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+  ; CHECK:   [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+  ; CHECK:   [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
+  ; CHECK:   [[UREM:%[0-9]+]]:_(s8) = G_UREM [[TRUNC]], [[TRUNC1]]
+  ; CHECK:   $al = COPY [[UREM]](s8)
+  ; CHECK:   RET 0, implicit $al
+  %res = urem i8 %arg1, %arg2
+  ret i8 %res
+}
+
+define i16 @test_urem_i16(i16 %arg1, i16 %arg2) {
+  ; CHECK-LABEL: name: test_urem_i16
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $edi, $esi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+  ; CHECK:   [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+  ; CHECK:   [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
+  ; CHECK:   [[UREM:%[0-9]+]]:_(s16) = G_UREM [[TRUNC]], [[TRUNC1]]
+  ; CHECK:   $ax = COPY [[UREM]](s16)
+  ; CHECK:   RET 0, implicit $ax
+  %res = urem i16 %arg1, %arg2
+  ret i16 %res
+}
+
+define i32 @test_urem_i32(i32 %arg1, i32 %arg2) {
+  ; CHECK-LABEL: name: test_urem_i32
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $edi, $esi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+  ; CHECK:   [[UREM:%[0-9]+]]:_(s32) = G_UREM [[COPY]], [[COPY1]]
+  ; CHECK:   $eax = COPY [[UREM]](s32)
+  ; CHECK:   RET 0, implicit $eax
+  %res = urem i32 %arg1, %arg2
+  ret i32 %res
+}
+
+define i64 @test_urem_i64(i64 %arg1, i64 %arg2) {
+  ; CHECK-LABEL: name: test_urem_i64
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $rdi, $rsi
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s64) = COPY $rdi
+  ; CHECK:   [[COPY1:%[0-9]+]]:_(s64) = COPY $rsi
+  ; CHECK:   [[UREM:%[0-9]+]]:_(s64) = G_UREM [[COPY]], [[COPY1]]
+  ; CHECK:   $rax = COPY [[UREM]](s64)
+  ; CHECK:   RET 0, implicit $rax
+  %res = urem i64 %arg1, %arg2
+  ret i64 %res
+}

llvm/trunk/test/CodeGen/X86/GlobalISel/x86_64-legalize-srem.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'srem.ll'
+  source_filename = "srem.ll"
+  target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+  define i8 @test_srem_i8(i8 %arg1, i8 %arg2) {
+    %res = srem i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_srem_i16(i16 %arg1, i16 %arg2) {
+    %res = srem i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_srem_i32(i32 %arg1, i32 %arg2) {
+    %res = srem i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+  define i64 @test_srem_i64(i64 %arg1, i64 %arg2) {
+    %res = srem i64 %arg1, %arg2
+    ret i64 %res
+  }
+
+...
+---
+name:            test_srem_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_srem_i8
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[SREM:%[0-9]+]]:_(s8) = G_SREM [[TRUNC]], [[TRUNC1]]
+    ; CHECK: $al = COPY [[SREM]](s8)
+    ; CHECK: RET 0, implicit $al
+    %2:_(s32) = COPY $edi
+    %0:_(s8) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $esi
+    %1:_(s8) = G_TRUNC %3(s32)
+    %4:_(s8) = G_SREM %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_srem_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_srem_i16
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[SREM:%[0-9]+]]:_(s16) = G_SREM [[TRUNC]], [[TRUNC1]]
+    ; CHECK: $ax = COPY [[SREM]](s16)
+    ; CHECK: RET 0, implicit $ax
+    %2:_(s32) = COPY $edi
+    %0:_(s16) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $esi
+    %1:_(s16) = G_TRUNC %3(s32)
+    %4:_(s16) = G_SREM %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_srem_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_srem_i32
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[SREM:%[0-9]+]]:_(s32) = G_SREM [[COPY]], [[COPY1]]
+    ; CHECK: $eax = COPY [[SREM]](s32)
+    ; CHECK: RET 0, implicit $eax
+    %0:_(s32) = COPY $edi
+    %1:_(s32) = COPY $esi
+    %2:_(s32) = G_SREM %0, %1
+    $eax = COPY %2(s32)
+    RET 0, implicit $eax
+
+...
+---
+name:            test_srem_i64
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $rdi, $rsi
+
+    ; CHECK-LABEL: name: test_srem_i64
+    ; CHECK: liveins: $rdi, $rsi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $rdi
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $rsi
+    ; CHECK: [[SREM:%[0-9]+]]:_(s64) = G_SREM [[COPY]], [[COPY1]]
+    ; CHECK: $rax = COPY [[SREM]](s64)
+    ; CHECK: RET 0, implicit $rax
+    %0:_(s64) = COPY $rdi
+    %1:_(s64) = COPY $rsi
+    %2:_(s64) = G_SREM %0, %1
+    $rax = COPY %2(s64)
+    RET 0, implicit $rax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86_64-legalize-udiv.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'udiv.ll'
+  source_filename = "udiv.ll"
+  target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+  define i8 @test_udiv_i8(i8 %arg1, i8 %arg2) {
+    %res = udiv i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_udiv_i16(i16 %arg1, i16 %arg2) {
+    %res = udiv i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_udiv_i32(i32 %arg1, i32 %arg2) {
+    %res = udiv i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+  define i64 @test_udiv_i64(i64 %arg1, i64 %arg2) {
+    %res = udiv i64 %arg1, %arg2
+    ret i64 %res
+  }
+
+...
+---
+name:            test_udiv_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_udiv_i8
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[UDIV:%[0-9]+]]:_(s8) = G_UDIV [[TRUNC]], [[TRUNC1]]
+    ; CHECK: $al = COPY [[UDIV]](s8)
+    ; CHECK: RET 0, implicit $al
+    %2:_(s32) = COPY $edi
+    %0:_(s8) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $esi
+    %1:_(s8) = G_TRUNC %3(s32)
+    %4:_(s8) = G_UDIV %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_udiv_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_udiv_i16
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[UDIV:%[0-9]+]]:_(s16) = G_UDIV [[TRUNC]], [[TRUNC1]]
+    ; CHECK: $ax = COPY [[UDIV]](s16)
+    ; CHECK: RET 0, implicit $ax
+    %2:_(s32) = COPY $edi
+    %0:_(s16) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $esi
+    %1:_(s16) = G_TRUNC %3(s32)
+    %4:_(s16) = G_UDIV %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_udiv_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_udiv_i32
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[UDIV:%[0-9]+]]:_(s32) = G_UDIV [[COPY]], [[COPY1]]
+    ; CHECK: $eax = COPY [[UDIV]](s32)
+    ; CHECK: RET 0, implicit $eax
+    %0:_(s32) = COPY $edi
+    %1:_(s32) = COPY $esi
+    %2:_(s32) = G_UDIV %0, %1
+    $eax = COPY %2(s32)
+    RET 0, implicit $eax
+
+...
+---
+name:            test_udiv_i64
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $rdi, $rsi
+
+    ; CHECK-LABEL: name: test_udiv_i64
+    ; CHECK: liveins: $rdi, $rsi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $rdi
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $rsi
+    ; CHECK: [[UDIV:%[0-9]+]]:_(s64) = G_UDIV [[COPY]], [[COPY1]]
+    ; CHECK: $rax = COPY [[UDIV]](s64)
+    ; CHECK: RET 0, implicit $rax
+    %0:_(s64) = COPY $rdi
+    %1:_(s64) = COPY $rsi
+    %2:_(s64) = G_UDIV %0, %1
+    $rax = COPY %2(s64)
+    RET 0, implicit $rax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86_64-legalize-urem.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'urem.ll'
+  source_filename = "urem.ll"
+  target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+  define i8 @test_urem_i8(i8 %arg1, i8 %arg2) {
+    %res = urem i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_urem_i16(i16 %arg1, i16 %arg2) {
+    %res = urem i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_urem_i32(i32 %arg1, i32 %arg2) {
+    %res = urem i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+  define i64 @test_urem_i64(i64 %arg1, i64 %arg2) {
+    %res = urem i64 %arg1, %arg2
+    ret i64 %res
+  }
+
+...
+---
+name:            test_urem_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_urem_i8
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[UREM:%[0-9]+]]:_(s8) = G_UREM [[TRUNC]], [[TRUNC1]]
+    ; CHECK: $al = COPY [[UREM]](s8)
+    ; CHECK: RET 0, implicit $al
+    %2:_(s32) = COPY $edi
+    %0:_(s8) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $esi
+    %1:_(s8) = G_TRUNC %3(s32)
+    %4:_(s8) = G_UREM %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_urem_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_urem_i16
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[UREM:%[0-9]+]]:_(s16) = G_UREM [[TRUNC]], [[TRUNC1]]
+    ; CHECK: $ax = COPY [[UREM]](s16)
+    ; CHECK: RET 0, implicit $ax
+    %2:_(s32) = COPY $edi
+    %0:_(s16) = G_TRUNC %2(s32)
+    %3:_(s32) = COPY $esi
+    %1:_(s16) = G_TRUNC %3(s32)
+    %4:_(s16) = G_UREM %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_urem_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_urem_i32
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
+    ; CHECK: [[UREM:%[0-9]+]]:_(s32) = G_UREM [[COPY]], [[COPY1]]
+    ; CHECK: $eax = COPY [[UREM]](s32)
+    ; CHECK: RET 0, implicit $eax
+    %0:_(s32) = COPY $edi
+    %1:_(s32) = COPY $esi
+    %2:_(s32) = G_UREM %0, %1
+    $eax = COPY %2(s32)
+    RET 0, implicit $eax
+
+...
+---
+name:            test_urem_i64
+alignment:       4
+exposesReturnsTwice: false
+legalized:       false
+regBankSelected: false
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $rdi, $rsi
+
+    ; CHECK-LABEL: name: test_urem_i64
+    ; CHECK: liveins: $rdi, $rsi
+    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $rdi
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $rsi
+    ; CHECK: [[UREM:%[0-9]+]]:_(s64) = G_UREM [[COPY]], [[COPY1]]
+    ; CHECK: $rax = COPY [[UREM]](s64)
+    ; CHECK: RET 0, implicit $rax
+    %0:_(s64) = COPY $rdi
+    %1:_(s64) = COPY $rsi
+    %2:_(s64) = G_UREM %0, %1
+    $rax = COPY %2(s64)
+    RET 0, implicit $rax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86_64-select-srem.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'srem.ll'
+  source_filename = "srem.ll"
+  target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+  define i8 @test_srem_i8(i8 %arg1, i8 %arg2) {
+    %res = srem i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_srem_i16(i16 %arg1, i16 %arg2) {
+    %res = srem i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_srem_i32(i32 %arg1, i32 %arg2) {
+    %res = srem i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+  define i64 @test_srem_i64(i64 %arg1, i64 %arg2) {
+    %res = srem i64 %arg1, %arg2
+    ret i64 %res
+  }
+
+...
+---
+name:            test_srem_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_srem_i8
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr8 = COPY [[COPY]].sub_8bit
+    ; CHECK: [[COPY2:%[0-9]+]]:gr32 = COPY $esi
+    ; CHECK: [[COPY3:%[0-9]+]]:gr8 = COPY [[COPY2]].sub_8bit
+    ; CHECK: $ax = MOVSX16rr8 [[COPY1]]
+    ; CHECK: IDIV8r [[COPY3]], implicit-def $al, implicit-def $ah, implicit-def $eflags, implicit $ax
+    ; CHECK: [[COPY4:%[0-9]+]]:gr8 = COPY $ah
+    ; CHECK: $al = COPY [[COPY4]]
+    ; CHECK: RET 0, implicit $al
+    %2:gpr(s32) = COPY $edi
+    %0:gpr(s8) = G_TRUNC %2(s32)
+    %3:gpr(s32) = COPY $esi
+    %1:gpr(s8) = G_TRUNC %3(s32)
+    %4:gpr(s8) = G_SREM %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_srem_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_srem_i16
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr16 = COPY [[COPY]].sub_16bit
+    ; CHECK: [[COPY2:%[0-9]+]]:gr32 = COPY $esi
+    ; CHECK: [[COPY3:%[0-9]+]]:gr16 = COPY [[COPY2]].sub_16bit
+    ; CHECK: $ax = COPY [[COPY1]]
+    ; CHECK: CWD implicit-def $ax, implicit-def $dx, implicit $ax
+    ; CHECK: IDIV16r [[COPY3]], implicit-def $ax, implicit-def $dx, implicit-def $eflags, implicit $ax, implicit $dx
+    ; CHECK: [[COPY4:%[0-9]+]]:gr16 = COPY $dx
+    ; CHECK: $ax = COPY [[COPY4]]
+    ; CHECK: RET 0, implicit $ax
+    %2:gpr(s32) = COPY $edi
+    %0:gpr(s16) = G_TRUNC %2(s32)
+    %3:gpr(s32) = COPY $esi
+    %1:gpr(s16) = G_TRUNC %3(s32)
+    %4:gpr(s16) = G_SREM %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_srem_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_srem_i32
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr32 = COPY $esi
+    ; CHECK: $eax = COPY [[COPY]]
+    ; CHECK: CDQ implicit-def $eax, implicit-def $edx, implicit $eax
+    ; CHECK: IDIV32r [[COPY1]], implicit-def $eax, implicit-def $edx, implicit-def $eflags, implicit $eax, implicit $edx
+    ; CHECK: [[COPY2:%[0-9]+]]:gr32 = COPY $edx
+    ; CHECK: $eax = COPY [[COPY2]]
+    ; CHECK: RET 0, implicit $eax
+    %0:gpr(s32) = COPY $edi
+    %1:gpr(s32) = COPY $esi
+    %2:gpr(s32) = G_SREM %0, %1
+    $eax = COPY %2(s32)
+    RET 0, implicit $eax
+
+...
+---
+name:            test_srem_i64
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $rdi, $rsi
+
+    ; CHECK-LABEL: name: test_srem_i64
+    ; CHECK: liveins: $rdi, $rsi
+    ; CHECK: [[COPY:%[0-9]+]]:gr64 = COPY $rdi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr64 = COPY $rsi
+    ; CHECK: $rax = COPY [[COPY]]
+    ; CHECK: CQO implicit-def $rax, implicit-def $rdx, implicit $rax
+    ; CHECK: IDIV64r [[COPY1]], implicit-def $rax, implicit-def $rdx, implicit-def $eflags, implicit $rax, implicit $rdx
+    ; CHECK: [[COPY2:%[0-9]+]]:gr64 = COPY $rdx
+    ; CHECK: $rax = COPY [[COPY2]]
+    ; CHECK: RET 0, implicit $rax
+    %0:gpr(s64) = COPY $rdi
+    %1:gpr(s64) = COPY $rsi
+    %2:gpr(s64) = G_SREM %0, %1
+    $rax = COPY %2(s64)
+    RET 0, implicit $rax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86_64-select-udiv.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'udiv.ll'
+  source_filename = "udiv.ll"
+  target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+  define i8 @test_udiv_i8(i8 %arg1, i8 %arg2) {
+    %res = udiv i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_udiv_i16(i16 %arg1, i16 %arg2) {
+    %res = udiv i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_udiv_i32(i32 %arg1, i32 %arg2) {
+    %res = udiv i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+  define i64 @test_udiv_i64(i64 %arg1, i64 %arg2) {
+    %res = udiv i64 %arg1, %arg2
+    ret i64 %res
+  }
+
+...
+---
+name:            test_udiv_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_udiv_i8
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr8 = COPY [[COPY]].sub_8bit
+    ; CHECK: [[COPY2:%[0-9]+]]:gr32 = COPY $esi
+    ; CHECK: [[COPY3:%[0-9]+]]:gr8 = COPY [[COPY2]].sub_8bit
+    ; CHECK: $ax = MOVZX16rr8 [[COPY1]]
+    ; CHECK: DIV8r [[COPY3]], implicit-def $al, implicit-def $ah, implicit-def $eflags, implicit $ax
+    ; CHECK: [[COPY4:%[0-9]+]]:gr8 = COPY $al
+    ; CHECK: $al = COPY [[COPY4]]
+    ; CHECK: RET 0, implicit $al
+    %2:gpr(s32) = COPY $edi
+    %0:gpr(s8) = G_TRUNC %2(s32)
+    %3:gpr(s32) = COPY $esi
+    %1:gpr(s8) = G_TRUNC %3(s32)
+    %4:gpr(s8) = G_UDIV %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_udiv_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_udiv_i16
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr16 = COPY [[COPY]].sub_16bit
+    ; CHECK: [[COPY2:%[0-9]+]]:gr32 = COPY $esi
+    ; CHECK: [[COPY3:%[0-9]+]]:gr16 = COPY [[COPY2]].sub_16bit
+    ; CHECK: $ax = COPY [[COPY1]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $dx = COPY [[MOV32r0_]].sub_16bit
+    ; CHECK: DIV16r [[COPY3]], implicit-def $ax, implicit-def $dx, implicit-def $eflags, implicit $ax, implicit $dx
+    ; CHECK: [[COPY4:%[0-9]+]]:gr16 = COPY $ax
+    ; CHECK: $ax = COPY [[COPY4]]
+    ; CHECK: RET 0, implicit $ax
+    %2:gpr(s32) = COPY $edi
+    %0:gpr(s16) = G_TRUNC %2(s32)
+    %3:gpr(s32) = COPY $esi
+    %1:gpr(s16) = G_TRUNC %3(s32)
+    %4:gpr(s16) = G_UDIV %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_udiv_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_udiv_i32
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr32 = COPY $esi
+    ; CHECK: $eax = COPY [[COPY]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $edx = COPY [[MOV32r0_]]
+    ; CHECK: DIV32r [[COPY1]], implicit-def $eax, implicit-def $edx, implicit-def $eflags, implicit $eax, implicit $edx
+    ; CHECK: [[COPY2:%[0-9]+]]:gr32 = COPY $eax
+    ; CHECK: $eax = COPY [[COPY2]]
+    ; CHECK: RET 0, implicit $eax
+    %0:gpr(s32) = COPY $edi
+    %1:gpr(s32) = COPY $esi
+    %2:gpr(s32) = G_UDIV %0, %1
+    $eax = COPY %2(s32)
+    RET 0, implicit $eax
+
+...
+---
+name:            test_udiv_i64
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $rdi, $rsi
+
+    ; CHECK-LABEL: name: test_udiv_i64
+    ; CHECK: liveins: $rdi, $rsi
+    ; CHECK: [[COPY:%[0-9]+]]:gr64 = COPY $rdi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr64 = COPY $rsi
+    ; CHECK: $rax = COPY [[COPY]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $rdx = SUBREG_TO_REG 0, [[MOV32r0_]], %subreg.sub_32bit
+    ; CHECK: DIV64r [[COPY1]], implicit-def $rax, implicit-def $rdx, implicit-def $eflags, implicit $rax, implicit $rdx
+    ; CHECK: [[COPY2:%[0-9]+]]:gr64 = COPY $rax
+    ; CHECK: $rax = COPY [[COPY2]]
+    ; CHECK: RET 0, implicit $rax
+    %0:gpr(s64) = COPY $rdi
+    %1:gpr(s64) = COPY $rsi
+    %2:gpr(s64) = G_UDIV %0, %1
+    $rax = COPY %2(s64)
+    RET 0, implicit $rax
+
+...

llvm/trunk/test/CodeGen/X86/GlobalISel/x86_64-select-urem.mir

+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
+
+--- |
+  ; ModuleID = 'urem.ll'
+  source_filename = "urem.ll"
+  target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+  define i8 @test_urem_i8(i8 %arg1, i8 %arg2) {
+    %res = urem i8 %arg1, %arg2
+    ret i8 %res
+  }
+
+  define i16 @test_urem_i16(i16 %arg1, i16 %arg2) {
+    %res = urem i16 %arg1, %arg2
+    ret i16 %res
+  }
+
+  define i32 @test_urem_i32(i32 %arg1, i32 %arg2) {
+    %res = urem i32 %arg1, %arg2
+    ret i32 %res
+  }
+
+  define i64 @test_urem_i64(i64 %arg1, i64 %arg2) {
+    %res = urem i64 %arg1, %arg2
+    ret i64 %res
+  }
+
+...
+---
+name:            test_urem_i8
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_urem_i8
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr8 = COPY [[COPY]].sub_8bit
+    ; CHECK: [[COPY2:%[0-9]+]]:gr32 = COPY $esi
+    ; CHECK: [[COPY3:%[0-9]+]]:gr8 = COPY [[COPY2]].sub_8bit
+    ; CHECK: $ax = MOVZX16rr8 [[COPY1]]
+    ; CHECK: DIV8r [[COPY3]], implicit-def $al, implicit-def $ah, implicit-def $eflags, implicit $ax
+    ; CHECK: [[COPY4:%[0-9]+]]:gr8 = COPY $ah
+    ; CHECK: $al = COPY [[COPY4]]
+    ; CHECK: RET 0, implicit $al
+    %2:gpr(s32) = COPY $edi
+    %0:gpr(s8) = G_TRUNC %2(s32)
+    %3:gpr(s32) = COPY $esi
+    %1:gpr(s8) = G_TRUNC %3(s32)
+    %4:gpr(s8) = G_UREM %0, %1
+    $al = COPY %4(s8)
+    RET 0, implicit $al
+
+...
+---
+name:            test_urem_i16
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+  - { id: 3, class: gpr, preferred-register: '' }
+  - { id: 4, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_urem_i16
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr16 = COPY [[COPY]].sub_16bit
+    ; CHECK: [[COPY2:%[0-9]+]]:gr32 = COPY $esi
+    ; CHECK: [[COPY3:%[0-9]+]]:gr16 = COPY [[COPY2]].sub_16bit
+    ; CHECK: $ax = COPY [[COPY1]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $dx = COPY [[MOV32r0_]].sub_16bit
+    ; CHECK: DIV16r [[COPY3]], implicit-def $ax, implicit-def $dx, implicit-def $eflags, implicit $ax, implicit $dx
+    ; CHECK: [[COPY4:%[0-9]+]]:gr16 = COPY $dx
+    ; CHECK: $ax = COPY [[COPY4]]
+    ; CHECK: RET 0, implicit $ax
+    %2:gpr(s32) = COPY $edi
+    %0:gpr(s16) = G_TRUNC %2(s32)
+    %3:gpr(s32) = COPY $esi
+    %1:gpr(s16) = G_TRUNC %3(s32)
+    %4:gpr(s16) = G_UREM %0, %1
+    $ax = COPY %4(s16)
+    RET 0, implicit $ax
+
+...
+---
+name:            test_urem_i32
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $edi, $esi
+
+    ; CHECK-LABEL: name: test_urem_i32
+    ; CHECK: liveins: $edi, $esi
+    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr32 = COPY $esi
+    ; CHECK: $eax = COPY [[COPY]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $edx = COPY [[MOV32r0_]]
+    ; CHECK: DIV32r [[COPY1]], implicit-def $eax, implicit-def $edx, implicit-def $eflags, implicit $eax, implicit $edx
+    ; CHECK: [[COPY2:%[0-9]+]]:gr32 = COPY $edx
+    ; CHECK: $eax = COPY [[COPY2]]
+    ; CHECK: RET 0, implicit $eax
+    %0:gpr(s32) = COPY $edi
+    %1:gpr(s32) = COPY $esi
+    %2:gpr(s32) = G_UREM %0, %1
+    $eax = COPY %2(s32)
+    RET 0, implicit $eax
+
+...
+---
+name:            test_urem_i64
+alignment:       4
+exposesReturnsTwice: false
+legalized:       true
+regBankSelected: true
+selected:        false
+failedISel:      false
+tracksRegLiveness: true
+registers:
+  - { id: 0, class: gpr, preferred-register: '' }
+  - { id: 1, class: gpr, preferred-register: '' }
+  - { id: 2, class: gpr, preferred-register: '' }
+liveins:
+frameInfo:
+  isFrameAddressTaken: false
+  isReturnAddressTaken: false
+  hasStackMap:     false
+  hasPatchPoint:   false
+  stackSize:       0
+  offsetAdjustment: 0
+  maxAlignment:    0
+  adjustsStack:    false
+  hasCalls:        false
+  stackProtector:  ''
+  maxCallFrameSize: 4294967295
+  hasOpaqueSPAdjustment: false
+  hasVAStart:      false
+  hasMustTailInVarArgFunc: false
+  localFrameSize:  0
+  savePoint:       ''
+  restorePoint:    ''
+fixedStack:
+stack:
+constants:
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: $rdi, $rsi
+
+    ; CHECK-LABEL: name: test_urem_i64
+    ; CHECK: liveins: $rdi, $rsi
+    ; CHECK: [[COPY:%[0-9]+]]:gr64 = COPY $rdi
+    ; CHECK: [[COPY1:%[0-9]+]]:gr64 = COPY $rsi
+    ; CHECK: $rax = COPY [[COPY]]
+    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
+    ; CHECK: $rdx = SUBREG_TO_REG 0, [[MOV32r0_]], %subreg.sub_32bit
+    ; CHECK: DIV64r [[COPY1]], implicit-def $rax, implicit-def $rdx, implicit-def $eflags, implicit $rax, implicit $rdx
+    ; CHECK: [[COPY2:%[0-9]+]]:gr64 = COPY $rdx
+    ; CHECK: $rax = COPY [[COPY2]]
+    ; CHECK: RET 0, implicit $rax
+    %0:gpr(s64) = COPY $rdi
+    %1:gpr(s64) = COPY $rsi
+    %2:gpr(s64) = G_UREM %0, %1
+    $rax = COPY %2(s64)
+    RET 0, implicit $rax
+
+...