Index: lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
===================================================================
--- lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
+++ lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
@@ -95,7 +95,8 @@
     return;
   }
   
-  if (MI->getOpcode() == PPC::RLDICR) {
+  if (MI->getOpcode() == PPC::RLDICR ||
+      MI->getOpcode() == PPC::RLDICR_32) {
     unsigned char SH = MI->getOperand(2).getImm();
     unsigned char ME = MI->getOperand(3).getImm();
     // rldicr RA, RS, SH, 63-SH == sldi RA, RS, SH
Index: lib/Target/PowerPC/PPCFastISel.cpp
===================================================================
--- lib/Target/PowerPC/PPCFastISel.cpp
+++ lib/Target/PowerPC/PPCFastISel.cpp
@@ -2246,6 +2246,7 @@
     }
 
     case PPC::EXTSW:
+    case PPC::EXTSW_32:
     case PPC::EXTSW_32_64: {
       if (VT != MVT::i32 && VT != MVT::i16 && VT != MVT::i8)
         return false;
Index: lib/Target/PowerPC/PPCISelDAGToDAG.cpp
===================================================================
--- lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -54,6 +54,7 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/ADT/Statistic.h"
 #include <algorithm>
 #include <cassert>
 #include <cstdint>
@@ -68,6 +69,14 @@
 
 #define DEBUG_TYPE "ppc-codegen"
 
+STATISTIC(NumSextSetcc,
+          "Number of (sext(setcc)) nodes expanded into GPR sequence.");
+STATISTIC(NumZextSetcc,
+          "Number of (zext(setcc)) nodes expanded into GPR sequence.");
+STATISTIC(SignExtensionsAdded,
+          "Number of sign extensions for compare inputs added.");
+STATISTIC(ZeroExtensionsAdded,
+          "Number of zero extensions for compare inputs added.");
 // FIXME: Remove this once the bug has been fixed!
 cl::opt<bool> ANDIGlueBug("expose-ppc-andi-glue-bug",
 cl::desc("expose the ANDI glue bug on PPC"), cl::Hidden);
@@ -253,6 +262,16 @@
 
 private:
     bool trySETCC(SDNode *N);
+    bool tryEXTEND(SDNode *N);
+    SDValue signExtendInputIfNeeded(SDValue Input);
+    SDValue zeroExtendInputIfNeeded(SDValue Input);
+    SDValue addExtOrTrunc(SDValue NatWidthRes, bool From32Bit,
+                          bool To32Bit);
+    SDValue get32BitZExtCompare(SDValue LHS, SDValue RHS, ISD::CondCode CC,
+                                int64_t RHSValue, SDLoc dl);
+    SDValue get32BitSExtCompare(SDValue LHS, SDValue RHS, ISD::CondCode CC,
+                                int64_t RHSValue, SDLoc dl);
+    SDValue getSETCCInGPR(SDValue Compare, bool IsSext, bool InvertCC = false);
 
     void PeepholePPC64();
     void PeepholePPC64ZExt();
@@ -2471,6 +2490,189 @@
   return true;
 }
 
+/// If this node is a sign/zero extension of an integer comparison,
+/// it can usually be computed in GPR's rather than using comparison
+/// instructions and ISEL.
+bool PPCDAGToDAGISel::tryEXTEND(SDNode *N) {
+  if (TM.getOptLevel() == CodeGenOpt::None || !TM.isPPC64())
+    return false;
+  assert((N->getOpcode() == ISD::ZERO_EXTEND ||
+          N->getOpcode() == ISD::SIGN_EXTEND) &&
+          "Expecting a zero/sign extend node!");
+
+  SDValue WideRes;
+  if (N->getOperand(0).getOpcode() != ISD::SETCC)
+    return false;
+  else
+    WideRes = getSETCCInGPR(N->getOperand(0),
+                            N->getOpcode() == ISD::SIGN_EXTEND);
+
+  SDLoc dl(N);
+
+  bool Inputs32Bit = N->getOperand(0).getOperand(0).getValueType() == MVT::i32;
+  bool Output32Bit = N->getValueType(0) == MVT::i32;
+  if (!WideRes)
+    return false;
+
+  if (N->getOpcode() == ISD::SIGN_EXTEND)
+    NumSextSetcc++;
+  else
+    NumZextSetcc++;
+
+  SDValue ConvOp = addExtOrTrunc(WideRes, Inputs32Bit, Output32Bit);
+  ReplaceNode(N, ConvOp.getNode());
+
+  return true;
+}
+
+/// If the value isn't guaranteed to be sign-extended to 64-bits, extend it.
+/// Useful when emitting comparison code for 32-bit values without using
+/// the compare instruction (which only considers the lower 32-bits).
+SDValue PPCDAGToDAGISel::signExtendInputIfNeeded(SDValue Input) {
+  ConstantSDNode *InputConst = dyn_cast<ConstantSDNode>(Input);
+  LoadSDNode *InputLoad = dyn_cast<LoadSDNode>(Input);
+  unsigned Opc = Input.getOpcode();
+  bool IsTruncateOfSext = Opc == ISD::TRUNCATE &&
+    (Input.getOperand(0).getOpcode() == ISD::AssertSext ||
+     Input.getOperand(0).getOpcode() == ISD::SIGN_EXTEND);
+  bool IsSextLoad = InputLoad && InputLoad->getExtensionType() == ISD::SEXTLOAD;
+  if (InputConst || IsTruncateOfSext || Opc == ISD::AssertSext ||
+      Opc == ISD::SIGN_EXTEND_INREG || Opc == ISD::SIGN_EXTEND || IsSextLoad)
+    return Input;
+  SDLoc dl(Input);
+  SignExtensionsAdded++;
+  return SDValue(CurDAG->getMachineNode(PPC::EXTSW_32, dl, MVT::i32, Input), 0);
+}
+
+/// If the value isn't guaranteed to be zero-extended to 64-bits, extend it.
+/// Useful when emitting comparison code for 32-bit values without using
+/// the compare instruction (which only considers the lower 32-bits).
+SDValue PPCDAGToDAGISel::zeroExtendInputIfNeeded(SDValue Input) {
+  ConstantSDNode *InputConst = dyn_cast<ConstantSDNode>(Input);
+  bool InputZExtConst = InputConst && InputConst->getSExtValue() >= 0;
+  LoadSDNode *InputLoad = dyn_cast<LoadSDNode>(Input);
+  unsigned Opc = Input.getOpcode();
+  bool NonSextLoad =
+    InputLoad && InputLoad->getExtensionType() != ISD::SEXTLOAD;
+  // An ISD::TRUNCATE will be lowered to an EXTRACT_SUBREG so we have
+  // to conservatively actually clear the high bits.
+  if (InputZExtConst || Opc == ISD::AssertZext ||
+      Opc == ISD::ZERO_EXTEND || NonSextLoad)
+    return Input;
+  SDLoc dl(Input);
+  ZeroExtensionsAdded++;
+  return SDValue(CurDAG->getMachineNode(PPC::RLDICL_32, dl, MVT::i32, Input,
+                                        getI64Imm(0, dl), getI64Imm(32, dl)),
+                 0);
+}
+
+// Handle a 32-bit value in a 64-bit register and vice-versa.
+SDValue PPCDAGToDAGISel::addExtOrTrunc(SDValue NatWidthRes, bool From32Bit,
+                                       bool To32Bit) {
+  SDLoc dl(NatWidthRes);
+  SDValue ConvOp = NatWidthRes;
+  if (From32Bit && !To32Bit) {
+    SDValue ImDef(CurDAG->getMachineNode(PPC::IMPLICIT_DEF, dl, MVT::i64), 0);
+    SDValue SubRegIdx =
+      CurDAG->getTargetConstant(PPC::sub_32, dl, MVT::i32);
+    ConvOp = SDValue(CurDAG->getMachineNode(PPC::INSERT_SUBREG, dl, MVT::i64,
+                                            ImDef, NatWidthRes, SubRegIdx), 0);
+  } else if (!From32Bit && To32Bit) {
+    SDValue SubRegIdx =
+      CurDAG->getTargetConstant(PPC::sub_32, dl, MVT::i32);
+    ConvOp = SDValue(CurDAG->getMachineNode(PPC::EXTRACT_SUBREG, dl, MVT::i32,
+                                            NatWidthRes, SubRegIdx), 0);
+  }
+  return ConvOp;
+}
+
+/// Produces a zero-extended result of comparing two 32-bit values according to
+/// the passed condition code.
+SDValue PPCDAGToDAGISel::get32BitZExtCompare(SDValue LHS, SDValue RHS,
+                                             ISD::CondCode CC,
+                                             int64_t RHSValue, SDLoc dl) {
+  bool IsRHSZero = RHSValue == 0;
+  switch (CC) {
+  default: return SDValue();
+  case ISD::SETEQ: {
+    SDValue Xor = IsRHSZero ? LHS :
+      SDValue(CurDAG->getMachineNode(PPC::XOR, dl, MVT::i32, LHS, RHS), 0);
+    SDValue Clz =
+      SDValue(CurDAG->getMachineNode(PPC::CNTLZW, dl, MVT::i32, Xor), 0);
+    SDValue ShiftOps[] = { Clz, getI32Imm(27, dl), getI32Imm(5, dl),
+      getI32Imm(31, dl) };
+    return SDValue(CurDAG->getMachineNode(PPC::RLWINM, dl, MVT::i32,
+                                          ShiftOps), 0);
+  }
+  }
+}
+
+/// Produces a sign-extended result of comparing two 32-bit values according to
+/// the passed condition code.
+SDValue PPCDAGToDAGISel::get32BitSExtCompare(SDValue LHS, SDValue RHS,
+                                             ISD::CondCode CC,
+                                             int64_t RHSValue, SDLoc dl) {
+  bool IsRHSZero = RHSValue == 0;
+  switch (CC) {
+  default: return SDValue();
+  case ISD::SETEQ: {
+    SDValue CountInput = IsRHSZero ? LHS :
+      SDValue(CurDAG->getMachineNode(PPC::XOR, dl, MVT::i32, LHS, RHS), 0);
+    SDValue Cntlzw =
+      SDValue(CurDAG->getMachineNode(PPC::CNTLZW, dl, MVT::i32, CountInput), 0);
+    SDValue LSHROps[] =
+      { Cntlzw, getI32Imm(27, dl), getI32Imm(5, dl), getI32Imm(31, dl) };
+    SDValue Srwi =
+      SDValue(CurDAG->getMachineNode(PPC::RLWINM, dl, MVT::i32, LSHROps), 0);
+    SDValue SHLOps[] = { Srwi, getI32Imm(63, dl), getI32Imm(0, dl) };
+    SDValue Sldi =
+      SDValue(CurDAG->getMachineNode(PPC::RLDICR_32, dl, MVT::i32, SHLOps), 0);
+    return SDValue(CurDAG->getMachineNode(PPC::SRADI_32, dl, MVT::i32, Sldi,
+                                          getI32Imm(63, dl)), 0);
+  }
+  }
+}
+
+/// Returns an equivalent of a SETCC node but with the result the same width as
+/// the inputs. This can nalso be used for SELECT_CC if either the true or false
+/// values is a power of two while the other is zero.
+SDValue PPCDAGToDAGISel::getSETCCInGPR(SDValue Compare, bool IsSext,
+                                       bool InvertCC) {
+  assert((Compare.getOpcode() == ISD::SETCC ||
+          Compare.getOpcode() == ISD::SELECT_CC) &&
+         "An ISD::SETCC node required here.");
+
+  SDValue LHS = Compare.getOperand(0);
+  SDValue RHS = Compare.getOperand(1);
+  bool IsSelectCC = Compare.getOpcode() == ISD::SELECT_CC;
+  ISD::CondCode CC =
+    cast<CondCodeSDNode>(Compare.getOperand(IsSelectCC ? 4 : 2))->get();
+  EVT InputVT = LHS.getValueType();
+  if (InputVT != MVT::i32 && InputVT != MVT::i64)
+    return SDValue();
+
+  SDLoc dl(Compare);
+  ConstantSDNode *RHSConst = dyn_cast<ConstantSDNode>(RHS);
+  bool Inputs32Bit = InputVT == MVT::i32;
+  int64_t RHSValue = RHSConst ? RHSConst->getSExtValue() : INT64_MAX;
+
+  if (InvertCC)
+    CC = ISD::getSetCCInverse(CC, true);
+  if (ISD::isSignedIntSetCC(CC) && Inputs32Bit) {
+    LHS = signExtendInputIfNeeded(LHS);
+    RHS = signExtendInputIfNeeded(RHS);
+  } else if (ISD::isUnsignedIntSetCC(CC) && Inputs32Bit) {
+    LHS = zeroExtendInputIfNeeded(LHS);
+    RHS = zeroExtendInputIfNeeded(RHS);
+  }
+
+  if (Inputs32Bit && IsSext)
+    return get32BitSExtCompare(LHS, RHS, CC, RHSValue, dl);
+  else if (Inputs32Bit)
+    return get32BitZExtCompare(LHS, RHS, CC, RHSValue, dl);
+  return SDValue();
+}
+
 void PPCDAGToDAGISel::transferMemOperands(SDNode *N, SDNode *Result) {
   // Transfer memoperands.
   MachineSDNode::mmo_iterator MemOp = MF->allocateMemRefsArray(1);
@@ -2508,6 +2710,12 @@
     }
     break;
 
+  case ISD::ZERO_EXTEND:
+  case ISD::SIGN_EXTEND:
+    if (tryEXTEND(N))
+      return;
+    break;
+
   case ISD::SETCC:
     if (trySETCC(N))
       return;
Index: lib/Target/PowerPC/PPCInstr64Bit.td
===================================================================
--- lib/Target/PowerPC/PPCInstr64Bit.td
+++ lib/Target/PowerPC/PPCInstr64Bit.td
@@ -634,10 +634,19 @@
 defm EXTSW_32_64 : XForm_11r<31, 986, (outs g8rc:$rA), (ins gprc:$rS),
                              "extsw", "$rA, $rS", IIC_IntSimple,
                              [(set i64:$rA, (sext i32:$rS))]>, isPPC64;
+let isCodeGenOnly = 1 in
+def EXTSW_32 : XForm_11<31, 986, (outs gprc:$rA), (ins gprc:$rS),
+                        "extsw $rA, $rS", IIC_IntSimple,
+                        []>, isPPC64;
 
 defm SRADI  : XSForm_1rc<31, 413, (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH),
                          "sradi", "$rA, $rS, $SH", IIC_IntRotateDI,
                          [(set i64:$rA, (sra i64:$rS, (i32 imm:$SH)))]>, isPPC64;
+// For fast-isel:
+let isCodeGenOnly = 1 in
+def SRADI_32  : XSForm_1<31, 413, (outs gprc:$rA), (ins gprc:$rS, u6imm:$SH),
+                         "sradi $rA, $rS, $SH", IIC_IntRotateDI, []>, isPPC64;
+
 defm CNTLZD : XForm_11r<31,  58, (outs g8rc:$rA), (ins g8rc:$rS),
                         "cntlzd", "$rA, $rS", IIC_IntGeneral,
                         [(set i64:$rA, (ctlz i64:$rS))]>;
@@ -721,15 +730,26 @@
 // For fast-isel:
 let isCodeGenOnly = 1 in
 def RLDICL_32_64 : MDForm_1<30, 0,
-                           (outs g8rc:$rA),
-                           (ins gprc:$rS, u6imm:$SH, u6imm:$MBE),
-                           "rldicl $rA, $rS, $SH, $MBE", IIC_IntRotateDI,
-                           []>, isPPC64;
+                            (outs g8rc:$rA),
+                            (ins gprc:$rS, u6imm:$SH, u6imm:$MBE),
+                            "rldicl $rA, $rS, $SH, $MBE", IIC_IntRotateDI,
+                            []>, isPPC64;
 // End fast-isel.
+let isCodeGenOnly = 1 in
+def RLDICL_32 : MDForm_1<30, 0,
+                         (outs gprc:$rA),
+                         (ins gprc:$rS, u6imm:$SH, u6imm:$MBE),
+                         "rldicl $rA, $rS, $SH, $MBE", IIC_IntRotateDI,
+                         []>, isPPC64;
 defm RLDICR : MDForm_1r<30, 1,
                         (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH, u6imm:$MBE),
                         "rldicr", "$rA, $rS, $SH, $MBE", IIC_IntRotateDI,
                         []>, isPPC64;
+let isCodeGenOnly = 1 in
+def RLDICR_32 : MDForm_1<30, 1,
+                         (outs gprc:$rA), (ins gprc:$rS, u6imm:$SH, u6imm:$MBE),
+                         "rldicr $rA, $rS, $SH, $MBE", IIC_IntRotateDI,
+                         []>, isPPC64;
 defm RLDIC  : MDForm_1r<30, 2,
                         (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH, u6imm:$MBE),
                         "rldic", "$rA, $rS, $SH, $MBE", IIC_IntRotateDI,
Index: lib/Target/PowerPC/PPCInstrInfo.td
===================================================================
--- lib/Target/PowerPC/PPCInstrInfo.td
+++ lib/Target/PowerPC/PPCInstrInfo.td
@@ -4163,6 +4163,8 @@
 def : InstAlias<"rotld $rA, $rS, $rB", (RLDCL g8rc:$rA, g8rc:$rS, gprc:$rB, 0)>;
 def : InstAlias<"rotld. $rA, $rS, $rB", (RLDCLo g8rc:$rA, g8rc:$rS, gprc:$rB, 0)>;
 def : InstAlias<"clrldi $rA, $rS, $n", (RLDICL g8rc:$rA, g8rc:$rS, 0, u6imm:$n)>;
+def : InstAlias<"clrldi $rA, $rS, $n",
+                (RLDICL_32 gprc:$rA, gprc:$rS, 0, u6imm:$n)>;
 def : InstAlias<"clrldi. $rA, $rS, $n", (RLDICLo g8rc:$rA, g8rc:$rS, 0, u6imm:$n)>;
 
 def RLWINMbm : PPCAsmPseudo<"rlwinm $rA, $rS, $n, $b",
Index: test/CodeGen/PowerPC/setcc-logic.ll
===================================================================
--- test/CodeGen/PowerPC/setcc-logic.ll
+++ test/CodeGen/PowerPC/setcc-logic.ll
@@ -6,7 +6,7 @@
 ; CHECK:       # BB#0:
 ; CHECK-NEXT:    or 3, 3, 4
 ; CHECK-NEXT:    cntlzw 3, 3
-; CHECK-NEXT:    rlwinm 3, 3, 27, 31, 31
+; CHECK-NEXT:    srwi 3, 3, 5
 ; CHECK-NEXT:    blr
   %a = icmp eq i32 %P, 0
   %b = icmp eq i32 %Q, 0
@@ -30,11 +30,11 @@
 define zeroext i1 @all_bits_set(i32 %P, i32 %Q)  {
 ; CHECK-LABEL: all_bits_set:
 ; CHECK:       # BB#0:
+; CHECK-NEXT:    li 5, -1
 ; CHECK-NEXT:    and 3, 3, 4
-; CHECK-NEXT:    li 5, 0
-; CHECK-NEXT:    li 12, 1
-; CHECK-NEXT:    cmpwi 0, 3, -1
-; CHECK-NEXT:    isel 3, 12, 5, 2
+; CHECK-NEXT:    xor 3, 3, 5
+; CHECK-NEXT:    cntlzw 3, 3
+; CHECK-NEXT:    srwi 3, 3, 5
 ; CHECK-NEXT:    blr
   %a = icmp eq i32 %P, -1
   %b = icmp eq i32 %Q, -1
@@ -437,7 +437,7 @@
 ; CHECK-NEXT:    xor 3, 3, 4
 ; CHECK-NEXT:    or 3, 3, 5
 ; CHECK-NEXT:    cntlzw 3, 3
-; CHECK-NEXT:    rlwinm 3, 3, 27, 31, 31
+; CHECK-NEXT:    srwi 3, 3, 5
 ; CHECK-NEXT:    blr
   %cmp1 = icmp eq i16 %a, %b
   %cmp2 = icmp eq i16 %c, %d
Index: test/CodeGen/PowerPC/testComparesieqsc.ll
===================================================================
--- test/CodeGen/PowerPC/testComparesieqsc.ll
+++ test/CodeGen/PowerPC/testComparesieqsc.ll
@@ -0,0 +1,126 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; ModuleID = 'ComparisonTestCases/testComparesieqsc.c'
+
+@glob = common local_unnamed_addr global i8 0, align 1
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqsc(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: test_ieqsc:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv2 = zext i1 %cmp to i32
+  ret i32 %conv2
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqsc_sext(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: test_ieqsc_sext:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqsc_z(i8 signext %a) {
+; CHECK-LABEL: test_ieqsc_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv1 = zext i1 %cmp to i32
+  ret i32 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqsc_sext_z(i8 signext %a) {
+; CHECK-LABEL: test_ieqsc_sext_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqsc_store(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: test_ieqsc_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stb r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = zext i1 %cmp to i8
+  store i8 %conv3, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqsc_sext_store(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: test_ieqsc_sext_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stb r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = sext i1 %cmp to i8
+  store i8 %conv3, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqsc_z_store(i8 signext %a) {
+; CHECK-LABEL: test_ieqsc_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stb r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = zext i1 %cmp to i8
+  store i8 %conv2, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqsc_sext_z_store(i8 signext %a) {
+; CHECK-LABEL: test_ieqsc_sext_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stb r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = sext i1 %cmp to i8
+  store i8 %conv2, i8* @glob, align 1
+  ret void
+}
Index: test/CodeGen/PowerPC/testComparesieqsi.ll
===================================================================
--- test/CodeGen/PowerPC/testComparesieqsi.ll
+++ test/CodeGen/PowerPC/testComparesieqsi.ll
@@ -0,0 +1,126 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; ModuleID = 'ComparisonTestCases/testComparesieqsi.c'
+
+@glob = common local_unnamed_addr global i32 0, align 4
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqsi(i32 signext %a, i32 signext %b) {
+; CHECK-LABEL: test_ieqsi:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqsi_sext(i32 signext %a, i32 signext %b) {
+; CHECK-LABEL: test_ieqsi_sext:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqsi_z(i32 signext %a) {
+; CHECK-LABEL: test_ieqsi_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqsi_sext_z(i32 signext %a) {
+; CHECK-LABEL: test_ieqsi_sext_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqsi_store(i32 signext %a, i32 signext %b) {
+; CHECK-LABEL: test_ieqsi_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv = zext i1 %cmp to i32
+  store i32 %conv, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqsi_sext_store(i32 signext %a, i32 signext %b) {
+; CHECK-LABEL: test_ieqsi_sext_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %sub = sext i1 %cmp to i32
+  store i32 %sub, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqsi_z_store(i32 signext %a) {
+; CHECK-LABEL: test_ieqsi_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv = zext i1 %cmp to i32
+  store i32 %conv, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqsi_sext_z_store(i32 signext %a) {
+; CHECK-LABEL: test_ieqsi_sext_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %sub = sext i1 %cmp to i32
+  store i32 %sub, i32* @glob, align 4
+  ret void
+}
Index: test/CodeGen/PowerPC/testComparesieqss.ll
===================================================================
--- test/CodeGen/PowerPC/testComparesieqss.ll
+++ test/CodeGen/PowerPC/testComparesieqss.ll
@@ -0,0 +1,126 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; ModuleID = 'ComparisonTestCases/testComparesieqss.c'
+
+@glob = common local_unnamed_addr global i16 0, align 2
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqss(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: test_ieqss:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv2 = zext i1 %cmp to i32
+  ret i32 %conv2
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqss_sext(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: test_ieqss_sext:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqss_z(i16 signext %a) {
+; CHECK-LABEL: test_ieqss_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv1 = zext i1 %cmp to i32
+  ret i32 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_ieqss_sext_z(i16 signext %a) {
+; CHECK-LABEL: test_ieqss_sext_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqss_store(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: test_ieqss_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sth r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = zext i1 %cmp to i16
+  store i16 %conv3, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqss_sext_store(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: test_ieqss_sext_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    sth r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = sext i1 %cmp to i16
+  store i16 %conv3, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqss_z_store(i16 signext %a) {
+; CHECK-LABEL: test_ieqss_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sth r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = zext i1 %cmp to i16
+  store i16 %conv2, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_ieqss_sext_z_store(i16 signext %a) {
+; CHECK-LABEL: test_ieqss_sext_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    sth r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = sext i1 %cmp to i16
+  store i16 %conv2, i16* @glob, align 2
+  ret void
+}
Index: test/CodeGen/PowerPC/testComparesiequc.ll
===================================================================
--- test/CodeGen/PowerPC/testComparesiequc.ll
+++ test/CodeGen/PowerPC/testComparesiequc.ll
@@ -0,0 +1,142 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; ModuleID = 'ComparisonTestCases/testComparesiequc.c'
+
+@glob = common local_unnamed_addr global i8 0, align 1
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequc(i8 zeroext %a, i8 zeroext %b) {
+; CHECK-LABEL: test_iequc:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv2 = zext i1 %cmp to i32
+  ret i32 %conv2
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequc_sext(i8 zeroext %a, i8 zeroext %b) {
+; CHECK-LABEL: test_iequc_sext:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequc_z(i8 zeroext %a) {
+; CHECK-LABEL: test_iequc_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv1 = zext i1 %cmp to i32
+  ret i32 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequc_sext_z(i8 zeroext %a) {
+; CHECK-LABEL: test_iequc_sext_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequc_store(i8 zeroext %a, i8 zeroext %b) {
+; CHECK-LABEL: test_iequc_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    stb r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = zext i1 %cmp to i8
+  store i8 %conv3, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequc_sext_store(i8 zeroext %a, i8 zeroext %b) {
+; CHECK-LABEL: test_iequc_sext_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r5)
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    stb r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = sext i1 %cmp to i8
+  store i8 %conv3, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequc_z_store(i8 zeroext %a) {
+; CHECK-LABEL: test_iequc_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    stb r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = zext i1 %cmp to i8
+  store i8 %conv2, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequc_sext_z_store(i8 zeroext %a) {
+; CHECK-LABEL: test_iequc_sext_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    stb r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = sext i1 %cmp to i8
+  store i8 %conv2, i8* @glob, align 1
+  ret void
+}
Index: test/CodeGen/PowerPC/testComparesiequi.ll
===================================================================
--- test/CodeGen/PowerPC/testComparesiequi.ll
+++ test/CodeGen/PowerPC/testComparesiequi.ll
@@ -0,0 +1,126 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; ModuleID = 'ComparisonTestCases/testComparesiequi.c'
+
+@glob = common local_unnamed_addr global i32 0, align 4
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequi(i32 zeroext %a, i32 zeroext %b) {
+; CHECK-LABEL: test_iequi:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequi_sext(i32 zeroext %a, i32 zeroext %b) {
+; CHECK-LABEL: test_iequi_sext:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequi_z(i32 zeroext %a) {
+; CHECK-LABEL: test_iequi_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv = zext i1 %cmp to i32
+  ret i32 %conv
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequi_sext_z(i32 zeroext %a) {
+; CHECK-LABEL: test_iequi_sext_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequi_store(i32 zeroext %a, i32 zeroext %b) {
+; CHECK-LABEL: test_iequi_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv = zext i1 %cmp to i32
+  store i32 %conv, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequi_sext_store(i32 zeroext %a, i32 zeroext %b) {
+; CHECK-LABEL: test_iequi_sext_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %sub = sext i1 %cmp to i32
+  store i32 %sub, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequi_z_store(i32 zeroext %a) {
+; CHECK-LABEL: test_iequi_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv = zext i1 %cmp to i32
+  store i32 %conv, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequi_sext_z_store(i32 zeroext %a) {
+; CHECK-LABEL: test_iequi_sext_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %sub = sext i1 %cmp to i32
+  store i32 %sub, i32* @glob, align 4
+  ret void
+}
Index: test/CodeGen/PowerPC/testComparesiequs.ll
===================================================================
--- test/CodeGen/PowerPC/testComparesiequs.ll
+++ test/CodeGen/PowerPC/testComparesiequs.ll
@@ -0,0 +1,142 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; ModuleID = 'ComparisonTestCases/testComparesiequs.c'
+
+@glob = common local_unnamed_addr global i16 0, align 2
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequs(i16 zeroext %a, i16 zeroext %b) {
+; CHECK-LABEL: test_iequs:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv2 = zext i1 %cmp to i32
+  ret i32 %conv2
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequs_sext(i16 zeroext %a, i16 zeroext %b) {
+; CHECK-LABEL: test_iequs_sext:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequs_z(i16 zeroext %a) {
+; CHECK-LABEL: test_iequs_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv1 = zext i1 %cmp to i32
+  ret i32 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define signext i32 @test_iequs_sext_z(i16 zeroext %a) {
+; CHECK-LABEL: test_iequs_sext_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %sub = sext i1 %cmp to i32
+  ret i32 %sub
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequs_store(i16 zeroext %a, i16 zeroext %b) {
+; CHECK-LABEL: test_iequs_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sth r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = zext i1 %cmp to i16
+  store i16 %conv3, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequs_sext_store(i16 zeroext %a, i16 zeroext %b) {
+; CHECK-LABEL: test_iequs_sext_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r5)
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    sth r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = sext i1 %cmp to i16
+  store i16 %conv3, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequs_z_store(i16 zeroext %a) {
+; CHECK-LABEL: test_iequs_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sth r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = zext i1 %cmp to i16
+  store i16 %conv2, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_iequs_sext_z_store(i16 zeroext %a) {
+; CHECK-LABEL: test_iequs_sext_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    sth r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = sext i1 %cmp to i16
+  store i16 %conv2, i16* @glob, align 2
+  ret void
+}
Index: test/CodeGen/PowerPC/testCompareslleqsc.ll
===================================================================
--- test/CodeGen/PowerPC/testCompareslleqsc.ll
+++ test/CodeGen/PowerPC/testCompareslleqsc.ll
@@ -0,0 +1,126 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; ModuleID = 'ComparisonTestCases/testCompareslleqsc.c'
+
+@glob = common local_unnamed_addr global i8 0, align 1
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqsc(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: test_lleqsc:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = zext i1 %cmp to i64
+  ret i64 %conv3
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqsc_sext(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: test_lleqsc_sext:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = sext i1 %cmp to i64
+  ret i64 %conv3
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqsc_z(i8 signext %a) {
+; CHECK-LABEL: test_lleqsc_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = zext i1 %cmp to i64
+  ret i64 %conv2
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqsc_sext_z(i8 signext %a) {
+; CHECK-LABEL: test_lleqsc_sext_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = sext i1 %cmp to i64
+  ret i64 %conv2
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqsc_store(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: test_lleqsc_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stb r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = zext i1 %cmp to i8
+  store i8 %conv3, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqsc_sext_store(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: test_lleqsc_sext_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stb r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = sext i1 %cmp to i8
+  store i8 %conv3, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqsc_z_store(i8 signext %a) {
+; CHECK-LABEL: test_lleqsc_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stb r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = zext i1 %cmp to i8
+  store i8 %conv2, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqsc_sext_z_store(i8 signext %a) {
+; CHECK-LABEL: test_lleqsc_sext_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stb r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = sext i1 %cmp to i8
+  store i8 %conv2, i8* @glob, align 1
+  ret void
+}
Index: test/CodeGen/PowerPC/testCompareslleqsi.ll
===================================================================
--- test/CodeGen/PowerPC/testCompareslleqsi.ll
+++ test/CodeGen/PowerPC/testCompareslleqsi.ll
@@ -0,0 +1,125 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+
+@glob = common local_unnamed_addr global i32 0, align 4
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqsi(i32 signext %a, i32 signext %b) {
+; CHECK-LABEL: test_lleqsi:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv1 = zext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqsi_sext(i32 signext %a, i32 signext %b) {
+; CHECK-LABEL: test_lleqsi_sext:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv1 = sext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqsi_z(i32 signext %a) {
+; CHECK-LABEL: test_lleqsi_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv1 = zext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqsi_sext_z(i32 signext %a) {
+; CHECK-LABEL: test_lleqsi_sext_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv1 = sext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqsi_store(i32 signext %a, i32 signext %b) {
+; CHECK-LABEL: test_lleqsi_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv = zext i1 %cmp to i32
+  store i32 %conv, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqsi_sext_store(i32 signext %a, i32 signext %b) {
+; CHECK-LABEL: test_lleqsi_sext_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %sub = sext i1 %cmp to i32
+  store i32 %sub, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqsi_z_store(i32 signext %a) {
+; CHECK-LABEL: test_lleqsi_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stw r3
+; CHECKNEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv = zext i1 %cmp to i32
+  store i32 %conv, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqsi_sext_z_store(i32 signext %a) {
+; CHECK-LABEL: test_lleqsi_sext_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stw r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %sub = sext i1 %cmp to i32
+  store i32 %sub, i32* @glob, align 4
+  ret void
+}
Index: test/CodeGen/PowerPC/testCompareslleqss.ll
===================================================================
--- test/CodeGen/PowerPC/testCompareslleqss.ll
+++ test/CodeGen/PowerPC/testCompareslleqss.ll
@@ -0,0 +1,125 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+
+@glob = common local_unnamed_addr global i16 0, align 2
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqss(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: test_lleqss:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = zext i1 %cmp to i64
+  ret i64 %conv3
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqss_sext(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: test_lleqss_sext:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = sext i1 %cmp to i64
+  ret i64 %conv3
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqss_z(i16 signext %a) {
+; CHECK-LABEL: test_lleqss_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = zext i1 %cmp to i64
+  ret i64 %conv2
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_lleqss_sext_z(i16 signext %a) {
+; CHECK-LABEL: test_lleqss_sext_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = sext i1 %cmp to i64
+  ret i64 %conv2
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqss_store(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: test_lleqss_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sth r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = zext i1 %cmp to i16
+  store i16 %conv3, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqss_sext_store(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: test_lleqss_sext_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    sth r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = sext i1 %cmp to i16
+  store i16 %conv3, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqss_z_store(i16 signext %a) {
+; CHECK-LABEL: test_lleqss_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sth r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = zext i1 %cmp to i16
+  store i16 %conv2, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_lleqss_sext_z_store(i16 signext %a) {
+; CHECK-LABEL: test_lleqss_sext_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    sth r3
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = sext i1 %cmp to i16
+  store i16 %conv2, i16* @glob, align 2
+  ret void
+}
Index: test/CodeGen/PowerPC/testComparesllequc.ll
===================================================================
--- test/CodeGen/PowerPC/testComparesllequc.ll
+++ test/CodeGen/PowerPC/testComparesllequc.ll
@@ -0,0 +1,141 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+
+@glob = common local_unnamed_addr global i8 0, align 1
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequc(i8 zeroext %a, i8 zeroext %b) {
+; CHECK-LABEL: test_llequc:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = zext i1 %cmp to i64
+  ret i64 %conv3
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequc_sext(i8 zeroext %a, i8 zeroext %b) {
+; CHECK-LABEL: test_llequc_sext:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = sext i1 %cmp to i64
+  ret i64 %conv3
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequc_z(i8 zeroext %a) {
+; CHECK-LABEL: test_llequc_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = zext i1 %cmp to i64
+  ret i64 %conv2
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequc_sext_z(i8 zeroext %a) {
+; CHECK-LABEL: test_llequc_sext_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = sext i1 %cmp to i64
+  ret i64 %conv2
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequc_store(i8 zeroext %a, i8 zeroext %b) {
+; CHECK-LABEL: test_llequc_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    stb r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = zext i1 %cmp to i8
+  store i8 %conv3, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequc_sext_store(i8 zeroext %a, i8 zeroext %b) {
+; CHECK-LABEL: test_llequc_sext_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r5)
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    stb r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, %b
+  %conv3 = sext i1 %cmp to i8
+  store i8 %conv3, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequc_z_store(i8 zeroext %a) {
+; CHECK-LABEL: test_llequc_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    stb r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = zext i1 %cmp to i8
+  store i8 %conv2, i8* @glob, align 1
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequc_sext_z_store(i8 zeroext %a) {
+; CHECK-LABEL: test_llequc_sext_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    stb r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i8 %a, 0
+  %conv2 = sext i1 %cmp to i8
+  store i8 %conv2, i8* @glob, align 1
+  ret void
+}
Index: test/CodeGen/PowerPC/testComparesllequi.ll
===================================================================
--- test/CodeGen/PowerPC/testComparesllequi.ll
+++ test/CodeGen/PowerPC/testComparesllequi.ll
@@ -0,0 +1,125 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+
+@glob = common local_unnamed_addr global i32 0, align 4
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequi(i32 zeroext %a, i32 zeroext %b) {
+; CHECK-LABEL: test_llequi:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv1 = zext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequi_sext(i32 zeroext %a, i32 zeroext %b) {
+; CHECK-LABEL: test_llequi_sext:
+; CHECK:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv1 = sext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequi_z(i32 zeroext %a) {
+; CHECK-LABEL: test_llequi_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv1 = zext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequi_sext_z(i32 zeroext %a) {
+; CHECK-LABEL: test_llequi_sext_z:
+; CHECK:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv1 = sext i1 %cmp to i64
+  ret i64 %conv1
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequi_store(i32 zeroext %a, i32 zeroext %b) {
+; CHECK-LABEL: test_llequi_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stw r3,
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %conv = zext i1 %cmp to i32
+  store i32 %conv, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequi_sext_store(i32 zeroext %a, i32 zeroext %b) {
+; CHECK-LABEL: test_llequi_sext_store:
+; CHECK:    xor r3, r3, r4
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stw r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, %b
+  %sub = sext i1 %cmp to i32
+  store i32 %sub, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequi_z_store(i32 zeroext %a) {
+; CHECK-LABEL: test_llequi_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    stw r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %conv = zext i1 %cmp to i32
+  store i32 %conv, i32* @glob, align 4
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequi_sext_z_store(i32 zeroext %a) {
+; CHECK-LABEL: test_llequi_sext_z_store:
+; CHECK:    cntlzw r3, r3
+; CHECK:    srwi r3, r3, 5
+; CHECK:    sldi r3, r3, 63
+; CHECK:    sradi r3, r3, 63
+; CHECK:    stw r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i32 %a, 0
+  %sub = sext i1 %cmp to i32
+  store i32 %sub, i32* @glob, align 4
+  ret void
+}
Index: test/CodeGen/PowerPC/testComparesllequs.ll
===================================================================
--- test/CodeGen/PowerPC/testComparesllequs.ll
+++ test/CodeGen/PowerPC/testComparesllequs.ll
@@ -0,0 +1,141 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O2 \
+; RUN:   -ppc-asm-full-reg-names -mcpu=pwr8 < %s | FileCheck %s \
+; RUN:  --implicit-check-not cmpw --implicit-check-not cmpd --implicit-check-not cmpl
+
+@glob = common local_unnamed_addr global i16 0, align 2
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequs(i16 zeroext %a, i16 zeroext %b) {
+; CHECK-LABEL: test_llequs:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = zext i1 %cmp to i64
+  ret i64 %conv3
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequs_sext(i16 zeroext %a, i16 zeroext %b) {
+; CHECK-LABEL: test_llequs_sext:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = sext i1 %cmp to i64
+  ret i64 %conv3
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequs_z(i16 zeroext %a) {
+; CHECK-LABEL: test_llequs_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = zext i1 %cmp to i64
+  ret i64 %conv2
+}
+
+; Function Attrs: norecurse nounwind readnone
+define i64 @test_llequs_sext_z(i16 zeroext %a) {
+; CHECK-LABEL: test_llequs_sext_z:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = sext i1 %cmp to i64
+  ret i64 %conv2
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequs_store(i16 zeroext %a, i16 zeroext %b) {
+; CHECK-LABEL: test_llequs_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    ld r12, .LC0@toc@l(r5)
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sth r3, 0(r12)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = zext i1 %cmp to i16
+  store i16 %conv3, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequs_sext_store(i16 zeroext %a, i16 zeroext %b) {
+; CHECK-LABEL: test_llequs_sext_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    xor r3, r3, r4
+; CHECK-NEXT:    addis r5, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r5)
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    sth r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, %b
+  %conv3 = sext i1 %cmp to i16
+  store i16 %conv3, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequs_z_store(i16 zeroext %a) {
+; CHECK-LABEL: test_llequs_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    sth r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = zext i1 %cmp to i16
+  store i16 %conv2, i16* @glob, align 2
+  ret void
+}
+
+; Function Attrs: norecurse nounwind
+define void @test_llequs_sext_z_store(i16 zeroext %a) {
+; CHECK-LABEL: test_llequs_sext_z_store:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis r4, r2, .LC0@toc@ha
+; CHECK-NEXT:    cntlzw r3, r3
+; CHECK-NEXT:    srwi r3, r3, 5
+; CHECK-NEXT:    ld r4, .LC0@toc@l(r4)
+; CHECK-NEXT:    sldi r3, r3, 63
+; CHECK-NEXT:    sradi r3, r3, 63
+; CHECK-NEXT:    sth r3, 0(r4)
+; CHECK-NEXT:    blr
+entry:
+  %cmp = icmp eq i16 %a, 0
+  %conv2 = sext i1 %cmp to i16
+  store i16 %conv2, i16* @glob, align 2
+  ret void
+}