Index: llvm/trunk/lib/Target/Mips/Mips16FrameLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/Mips/Mips16FrameLowering.cpp
+++ llvm/trunk/lib/Target/Mips/Mips16FrameLowering.cpp
@@ -42,7 +42,6 @@
 
 void Mips16FrameLowering::emitPrologue(MachineFunction &MF,
                                        MachineBasicBlock &MBB) const {
-  assert(&MF.front() == &MBB && "Shrink-wrapping not yet supported");
   MachineFrameInfo &MFI = MF.getFrameInfo();
   const Mips16InstrInfo &TII =
       *static_cast<const Mips16InstrInfo *>(STI.getInstrInfo());
@@ -92,11 +91,11 @@
 
 void Mips16FrameLowering::emitEpilogue(MachineFunction &MF,
                                  MachineBasicBlock &MBB) const {
-  MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
+  MachineBasicBlock::iterator MBBI = MBB.getFirstTerminator();
   MachineFrameInfo &MFI = MF.getFrameInfo();
   const Mips16InstrInfo &TII =
       *static_cast<const Mips16InstrInfo *>(STI.getInstrInfo());
-  DebugLoc dl = MBBI->getDebugLoc();
+  DebugLoc dl = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
   uint64_t StackSize = MFI.getStackSize();
 
   if (!StackSize)
@@ -117,7 +116,6 @@
                           const std::vector<CalleeSavedInfo> &CSI,
                           const TargetRegisterInfo *TRI) const {
   MachineFunction *MF = MBB.getParent();
-  MachineBasicBlock *EntryBlock = &MF->front();
 
   //
   // Registers RA, S0,S1 are the callee saved registers and they
@@ -134,7 +132,7 @@
     bool IsRAAndRetAddrIsTaken = (Reg == Mips::RA)
       && MF->getFrameInfo().isReturnAddressTaken();
     if (!IsRAAndRetAddrIsTaken)
-      EntryBlock->addLiveIn(Reg);
+      MBB.addLiveIn(Reg);
   }
 
   return true;
Index: llvm/trunk/lib/Target/Mips/MipsFrameLowering.h
===================================================================
--- llvm/trunk/lib/Target/Mips/MipsFrameLowering.h
+++ llvm/trunk/lib/Target/Mips/MipsFrameLowering.h
@@ -36,6 +36,10 @@
 
   bool isFPCloseToIncomingSP() const override { return false; }
 
+  bool enableShrinkWrapping(const MachineFunction &MF) const override {
+    return true;
+  }
+
   MachineBasicBlock::iterator
   eliminateCallFramePseudoInstr(MachineFunction &MF,
                                 MachineBasicBlock &MBB,
Index: llvm/trunk/lib/Target/Mips/MipsSEFrameLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/Mips/MipsSEFrameLowering.cpp
+++ llvm/trunk/lib/Target/Mips/MipsSEFrameLowering.cpp
@@ -394,7 +394,6 @@
 
 void MipsSEFrameLowering::emitPrologue(MachineFunction &MF,
                                        MachineBasicBlock &MBB) const {
-  assert(&MF.front() == &MBB && "Shrink-wrapping not yet supported");
   MachineFrameInfo &MFI    = MF.getFrameInfo();
   MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
 
@@ -682,7 +681,7 @@
 
 void MipsSEFrameLowering::emitEpilogue(MachineFunction &MF,
                                        MachineBasicBlock &MBB) const {
-  MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
+  MachineBasicBlock::iterator MBBI = MBB.getFirstTerminator();
   MachineFrameInfo &MFI            = MF.getFrameInfo();
   MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
 
@@ -691,7 +690,7 @@
   const MipsRegisterInfo &RegInfo =
       *static_cast<const MipsRegisterInfo *>(STI.getRegisterInfo());
 
-  DebugLoc DL = MBBI->getDebugLoc();
+  DebugLoc DL = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
   MipsABIInfo ABI = STI.getABI();
   unsigned SP = ABI.GetStackPtr();
   unsigned FP = ABI.GetFramePtr();
@@ -790,7 +789,6 @@
                           const std::vector<CalleeSavedInfo> &CSI,
                           const TargetRegisterInfo *TRI) const {
   MachineFunction *MF = MBB.getParent();
-  MachineBasicBlock *EntryBlock = &MF->front();
   const TargetInstrInfo &TII = *STI.getInstrInfo();
 
   for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
@@ -803,7 +801,7 @@
     bool IsRAAndRetAddrIsTaken = (Reg == Mips::RA || Reg == Mips::RA_64)
         && MF->getFrameInfo().isReturnAddressTaken();
     if (!IsRAAndRetAddrIsTaken)
-      EntryBlock->addLiveIn(Reg);
+      MBB.addLiveIn(Reg);
 
     // ISRs require HI/LO to be spilled into kernel registers to be then
     // spilled to the stack frame.
@@ -828,7 +826,7 @@
     // Insert the spill to the stack frame.
     bool IsKill = !IsRAAndRetAddrIsTaken;
     const TargetRegisterClass *RC = TRI->getMinimalPhysRegClass(Reg);
-    TII.storeRegToStackSlot(*EntryBlock, MI, Reg, IsKill,
+    TII.storeRegToStackSlot(MBB, MI, Reg, IsKill,
                             CSI[i].getFrameIdx(), RC, TRI);
   }
 
Index: llvm/trunk/test/CodeGen/Mips/blez_bgez.ll
===================================================================
--- llvm/trunk/test/CodeGen/Mips/blez_bgez.ll
+++ llvm/trunk/test/CodeGen/Mips/blez_bgez.ll
@@ -1,5 +1,5 @@
-; RUN: llc -march=mipsel < %s | FileCheck %s
-; RUN: llc -march=mips64el < %s | FileCheck %s
+; RUN: llc -march=mipsel -enable-shrink-wrap=false  < %s | FileCheck %s
+; RUN: llc -march=mips64el -enable-shrink-wrap=false < %s | FileCheck %s
 
 ; CHECK-LABEL: test_blez:
 ; CHECK: blez ${{[0-9]+}}, {{\$|\.L}}BB
Index: llvm/trunk/test/CodeGen/Mips/brdelayslot.ll
===================================================================
--- llvm/trunk/test/CodeGen/Mips/brdelayslot.ll
+++ llvm/trunk/test/CodeGen/Mips/brdelayslot.ll
@@ -6,6 +6,7 @@
 ; RUN: llc -march=mipsel -disable-mips-df-forward-search=false \
 ; RUN: -relocation-model=static < %s | FileCheck %s -check-prefix=FORWARD
 ; RUN: llc -march=mipsel -disable-mips-df-backward-search -relocation-model=pic \
+; RUN: -enable-shrink-wrap=false \
 ; RUN: -disable-mips-df-succbb-search=false -disable-preheader-prot=true < %s | \
 ; RUN: FileCheck %s -check-prefix=SUCCBB
 
Index: llvm/trunk/test/CodeGen/Mips/shrink-wrapping.ll
===================================================================
--- llvm/trunk/test/CodeGen/Mips/shrink-wrapping.ll
+++ llvm/trunk/test/CodeGen/Mips/shrink-wrapping.ll
@@ -0,0 +1,391 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+
+; RUN: llc -mtriple=mips-unknown-linux-gnu -enable-shrink-wrap=true \
+; RUN:   -relocation-model=static < %s | \
+; RUN:   FileCheck %s -check-prefix=SHRINK-WRAP-STATIC
+
+; RUN: llc -mtriple=mips-unknown-linux-gnu -enable-shrink-wrap=false \
+; RUN:   -relocation-model=static < %s | \
+; RUN:   FileCheck %s -check-prefix=NO-SHRINK-WRAP-STATIC
+
+; RUN: llc -mtriple=mips-unknown-linux-gnu -enable-shrink-wrap=true \
+; RUN:   -relocation-model=pic < %s | \
+; RUN:   FileCheck %s -check-prefix=SHRINK-WRAP-PIC
+
+; RUN: llc -mtriple=mips-unknown-linux-gnu -enable-shrink-wrap=false \
+; RUN:   -relocation-model=pic < %s | \
+; RUN:   FileCheck %s -check-prefix=NO-SHRINK-WRAP-PIC
+
+; RUN: llc -mtriple=mips64-unknown-linux-gnu -enable-shrink-wrap=true \
+; RUN:   -relocation-model=static < %s | \
+; RUN:   FileCheck %s -check-prefix=SHRINK-WRAP-64-STATIC
+
+; RUN: llc -mtriple=mips64-unknown-linux-gnu -enable-shrink-wrap=false \
+; RUN:   -relocation-model=static < %s | \
+; RUN:   FileCheck %s -check-prefix=NO-SHRINK-WRAP-64-STATIC
+
+; RUN: llc -mtriple=mips64-unknown-linux-gnu -enable-shrink-wrap=true \
+; RUN:   -relocation-model=pic < %s | \
+; RUN:   FileCheck %s -check-prefix=SHRINK-WRAP-64-PIC
+
+; RUN: llc -mtriple=mips64-unknown-linux-gnu -enable-shrink-wrap=false \
+; RUN:   -relocation-model=pic < %s | \
+; RUN:   FileCheck %s -check-prefix=NO-SHRINK-WRAP-64-PIC
+
+declare void @f(i32 signext)
+
+define i32 @foo(i32 signext %a) {
+; SHRINK-WRAP-STATIC-LABEL: foo:
+; SHRINK-WRAP-STATIC:       # %bb.0: # %entry
+; SHRINK-WRAP-STATIC-NEXT:    beqz $4, $BB0_2
+; SHRINK-WRAP-STATIC-NEXT:    nop
+; SHRINK-WRAP-STATIC-NEXT:  # %bb.1: # %if.end
+; SHRINK-WRAP-STATIC-NEXT:    addiu $sp, $sp, -24
+; SHRINK-WRAP-STATIC-NEXT:    .cfi_def_cfa_offset 24
+; SHRINK-WRAP-STATIC-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; SHRINK-WRAP-STATIC-NEXT:    .cfi_offset 31, -4
+; SHRINK-WRAP-STATIC-NEXT:    jal f
+; SHRINK-WRAP-STATIC-NEXT:    addiu $4, $4, 1
+; SHRINK-WRAP-STATIC-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; SHRINK-WRAP-STATIC-NEXT:    addiu $sp, $sp, 24
+; SHRINK-WRAP-STATIC-NEXT:  $BB0_2: # %return
+; SHRINK-WRAP-STATIC-NEXT:    jr $ra
+; SHRINK-WRAP-STATIC-NEXT:    addiu $2, $zero, 0
+;
+; NO-SHRINK-WRAP-STATIC-LABEL: foo:
+; NO-SHRINK-WRAP-STATIC:       # %bb.0: # %entry
+; NO-SHRINK-WRAP-STATIC-NEXT:    addiu $sp, $sp, -24
+; NO-SHRINK-WRAP-STATIC-NEXT:    .cfi_def_cfa_offset 24
+; NO-SHRINK-WRAP-STATIC-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; NO-SHRINK-WRAP-STATIC-NEXT:    .cfi_offset 31, -4
+; NO-SHRINK-WRAP-STATIC-NEXT:    beqz $4, $BB0_2
+; NO-SHRINK-WRAP-STATIC-NEXT:    nop
+; NO-SHRINK-WRAP-STATIC-NEXT:  # %bb.1: # %if.end
+; NO-SHRINK-WRAP-STATIC-NEXT:    jal f
+; NO-SHRINK-WRAP-STATIC-NEXT:    addiu $4, $4, 1
+; NO-SHRINK-WRAP-STATIC-NEXT:  $BB0_2: # %return
+; NO-SHRINK-WRAP-STATIC-NEXT:    addiu $2, $zero, 0
+; NO-SHRINK-WRAP-STATIC-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; NO-SHRINK-WRAP-STATIC-NEXT:    jr $ra
+; NO-SHRINK-WRAP-STATIC-NEXT:    addiu $sp, $sp, 24
+;
+; SHRINK-WRAP-PIC-LABEL: foo:
+; SHRINK-WRAP-PIC:       # %bb.0: # %entry
+; SHRINK-WRAP-PIC-NEXT:    lui $2, %hi(_gp_disp)
+; SHRINK-WRAP-PIC-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; SHRINK-WRAP-PIC-NEXT:    beqz $4, $BB0_2
+; SHRINK-WRAP-PIC-NEXT:    addu $gp, $2, $25
+; SHRINK-WRAP-PIC-NEXT:  # %bb.1: # %if.end
+; SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, -24
+; SHRINK-WRAP-PIC-NEXT:    .cfi_def_cfa_offset 24
+; SHRINK-WRAP-PIC-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; SHRINK-WRAP-PIC-NEXT:    .cfi_offset 31, -4
+; SHRINK-WRAP-PIC-NEXT:    lw $25, %call16(f)($gp)
+; SHRINK-WRAP-PIC-NEXT:    jalr $25
+; SHRINK-WRAP-PIC-NEXT:    addiu $4, $4, 1
+; SHRINK-WRAP-PIC-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, 24
+; SHRINK-WRAP-PIC-NEXT:  $BB0_2: # %return
+; SHRINK-WRAP-PIC-NEXT:    jr $ra
+; SHRINK-WRAP-PIC-NEXT:    addiu $2, $zero, 0
+;
+; NO-SHRINK-WRAP-PIC-LABEL: foo:
+; NO-SHRINK-WRAP-PIC:       # %bb.0: # %entry
+; NO-SHRINK-WRAP-PIC-NEXT:    lui $2, %hi(_gp_disp)
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, -24
+; NO-SHRINK-WRAP-PIC-NEXT:    .cfi_def_cfa_offset 24
+; NO-SHRINK-WRAP-PIC-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; NO-SHRINK-WRAP-PIC-NEXT:    .cfi_offset 31, -4
+; NO-SHRINK-WRAP-PIC-NEXT:    beqz $4, $BB0_2
+; NO-SHRINK-WRAP-PIC-NEXT:    addu $gp, $2, $25
+; NO-SHRINK-WRAP-PIC-NEXT:  # %bb.1: # %if.end
+; NO-SHRINK-WRAP-PIC-NEXT:    lw $25, %call16(f)($gp)
+; NO-SHRINK-WRAP-PIC-NEXT:    jalr $25
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $4, $4, 1
+; NO-SHRINK-WRAP-PIC-NEXT:  $BB0_2: # %return
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $2, $zero, 0
+; NO-SHRINK-WRAP-PIC-NEXT:    lw $ra, 20($sp) # 4-byte Folded Reload
+; NO-SHRINK-WRAP-PIC-NEXT:    jr $ra
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, 24
+;
+; SHRINK-WRAP-64-STATIC-LABEL: foo:
+; SHRINK-WRAP-64-STATIC:       # %bb.0: # %entry
+; SHRINK-WRAP-64-STATIC-NEXT:    beqz $4, .LBB0_2
+; SHRINK-WRAP-64-STATIC-NEXT:    nop
+; SHRINK-WRAP-64-STATIC-NEXT:  # %bb.1: # %if.end
+; SHRINK-WRAP-64-STATIC-NEXT:    daddiu $sp, $sp, -16
+; SHRINK-WRAP-64-STATIC-NEXT:    .cfi_def_cfa_offset 16
+; SHRINK-WRAP-64-STATIC-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; SHRINK-WRAP-64-STATIC-NEXT:    .cfi_offset 31, -8
+; SHRINK-WRAP-64-STATIC-NEXT:    addiu $1, $4, 1
+; SHRINK-WRAP-64-STATIC-NEXT:    jal f
+; SHRINK-WRAP-64-STATIC-NEXT:    sll $4, $1, 0
+; SHRINK-WRAP-64-STATIC-NEXT:    ld $ra, 8($sp) # 8-byte Folded Reload
+; SHRINK-WRAP-64-STATIC-NEXT:    daddiu $sp, $sp, 16
+; SHRINK-WRAP-64-STATIC-NEXT:  .LBB0_2: # %return
+; SHRINK-WRAP-64-STATIC-NEXT:    jr $ra
+; SHRINK-WRAP-64-STATIC-NEXT:    addiu $2, $zero, 0
+;
+; NO-SHRINK-WRAP-64-STATIC-LABEL: foo:
+; NO-SHRINK-WRAP-64-STATIC:       # %bb.0: # %entry
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    daddiu $sp, $sp, -16
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    .cfi_def_cfa_offset 16
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    .cfi_offset 31, -8
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    beqz $4, .LBB0_2
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    nop
+; NO-SHRINK-WRAP-64-STATIC-NEXT:  # %bb.1: # %if.end
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    addiu $1, $4, 1
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    jal f
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    sll $4, $1, 0
+; NO-SHRINK-WRAP-64-STATIC-NEXT:  .LBB0_2: # %return
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    addiu $2, $zero, 0
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    ld $ra, 8($sp) # 8-byte Folded Reload
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    jr $ra
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    daddiu $sp, $sp, 16
+;
+; SHRINK-WRAP-64-PIC-LABEL: foo:
+; SHRINK-WRAP-64-PIC:       # %bb.0: # %entry
+; SHRINK-WRAP-64-PIC-NEXT:    lui $1, %hi(%neg(%gp_rel(foo)))
+; SHRINK-WRAP-64-PIC-NEXT:    beqz $4, .LBB0_2
+; SHRINK-WRAP-64-PIC-NEXT:    daddu $2, $1, $25
+; SHRINK-WRAP-64-PIC-NEXT:  # %bb.1: # %if.end
+; SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, -16
+; SHRINK-WRAP-64-PIC-NEXT:    .cfi_def_cfa_offset 16
+; SHRINK-WRAP-64-PIC-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; SHRINK-WRAP-64-PIC-NEXT:    sd $gp, 0($sp) # 8-byte Folded Spill
+; SHRINK-WRAP-64-PIC-NEXT:    .cfi_offset 31, -8
+; SHRINK-WRAP-64-PIC-NEXT:    .cfi_offset 28, -16
+; SHRINK-WRAP-64-PIC-NEXT:    daddiu $gp, $2, %lo(%neg(%gp_rel(foo)))
+; SHRINK-WRAP-64-PIC-NEXT:    addiu $1, $4, 1
+; SHRINK-WRAP-64-PIC-NEXT:    ld $25, %call16(f)($gp)
+; SHRINK-WRAP-64-PIC-NEXT:    jalr $25
+; SHRINK-WRAP-64-PIC-NEXT:    sll $4, $1, 0
+; SHRINK-WRAP-64-PIC-NEXT:    ld $gp, 0($sp) # 8-byte Folded Reload
+; SHRINK-WRAP-64-PIC-NEXT:    ld $ra, 8($sp) # 8-byte Folded Reload
+; SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, 16
+; SHRINK-WRAP-64-PIC-NEXT:  .LBB0_2: # %return
+; SHRINK-WRAP-64-PIC-NEXT:    jr $ra
+; SHRINK-WRAP-64-PIC-NEXT:    addiu $2, $zero, 0
+;
+; NO-SHRINK-WRAP-64-PIC-LABEL: foo:
+; NO-SHRINK-WRAP-64-PIC:       # %bb.0: # %entry
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, -16
+; NO-SHRINK-WRAP-64-PIC-NEXT:    .cfi_def_cfa_offset 16
+; NO-SHRINK-WRAP-64-PIC-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; NO-SHRINK-WRAP-64-PIC-NEXT:    sd $gp, 0($sp) # 8-byte Folded Spill
+; NO-SHRINK-WRAP-64-PIC-NEXT:    .cfi_offset 31, -8
+; NO-SHRINK-WRAP-64-PIC-NEXT:    .cfi_offset 28, -16
+; NO-SHRINK-WRAP-64-PIC-NEXT:    lui $1, %hi(%neg(%gp_rel(foo)))
+; NO-SHRINK-WRAP-64-PIC-NEXT:    beqz $4, .LBB0_2
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddu $2, $1, $25
+; NO-SHRINK-WRAP-64-PIC-NEXT:  # %bb.1: # %if.end
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddiu $gp, $2, %lo(%neg(%gp_rel(foo)))
+; NO-SHRINK-WRAP-64-PIC-NEXT:    addiu $1, $4, 1
+; NO-SHRINK-WRAP-64-PIC-NEXT:    ld $25, %call16(f)($gp)
+; NO-SHRINK-WRAP-64-PIC-NEXT:    jalr $25
+; NO-SHRINK-WRAP-64-PIC-NEXT:    sll $4, $1, 0
+; NO-SHRINK-WRAP-64-PIC-NEXT:  .LBB0_2: # %return
+; NO-SHRINK-WRAP-64-PIC-NEXT:    addiu $2, $zero, 0
+; NO-SHRINK-WRAP-64-PIC-NEXT:    ld $gp, 0($sp) # 8-byte Folded Reload
+; NO-SHRINK-WRAP-64-PIC-NEXT:    ld $ra, 8($sp) # 8-byte Folded Reload
+; NO-SHRINK-WRAP-64-PIC-NEXT:    jr $ra
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, 16
+entry:
+  %cmp = icmp eq i32 %a, 0
+  br i1 %cmp, label %return, label %if.end
+
+if.end:
+  %add = add nsw i32 %a, 1
+  tail call void @f(i32 signext %add)
+  br label %return
+
+return:
+  ret i32 0
+}
+
+; Test that long branch expansion works correctly with shrink-wrapping enabled.
+define i32 @foo2(i32 signext %a) {
+; SHRINK-WRAP-STATIC-LABEL: foo2:
+; SHRINK-WRAP-STATIC:       # %bb.0:
+; SHRINK-WRAP-STATIC-NEXT:    addiu $1, $zero, 4
+; SHRINK-WRAP-STATIC-NEXT:    bne $4, $1, $BB1_2
+; SHRINK-WRAP-STATIC-NEXT:    nop
+; SHRINK-WRAP-STATIC-NEXT:  # %bb.1:
+; SHRINK-WRAP-STATIC-NEXT:    j $BB1_3
+; SHRINK-WRAP-STATIC-NEXT:    nop
+; SHRINK-WRAP-STATIC-NEXT:  $BB1_2: # %if.then
+; SHRINK-WRAP-STATIC-NEXT:    addiu $sp, $sp, -24
+; SHRINK-WRAP-STATIC-NEXT:    .cfi_def_cfa_offset 24
+; SHRINK-WRAP-STATIC-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; SHRINK-WRAP-STATIC-NEXT:    .cfi_offset 31, -4
+; SHRINK-WRAP-STATIC-NEXT:    #APP
+;
+; NO-SHRINK-WRAP-STATIC-LABEL: foo2:
+; NO-SHRINK-WRAP-STATIC:       # %bb.0:
+; NO-SHRINK-WRAP-STATIC-NEXT:    addiu $sp, $sp, -24
+; NO-SHRINK-WRAP-STATIC-NEXT:    .cfi_def_cfa_offset 24
+; NO-SHRINK-WRAP-STATIC-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; NO-SHRINK-WRAP-STATIC-NEXT:    .cfi_offset 31, -4
+; NO-SHRINK-WRAP-STATIC-NEXT:    addiu $1, $zero, 4
+; NO-SHRINK-WRAP-STATIC-NEXT:    bne $4, $1, $BB1_2
+; NO-SHRINK-WRAP-STATIC-NEXT:    nop
+; NO-SHRINK-WRAP-STATIC-NEXT:  # %bb.1:
+; NO-SHRINK-WRAP-STATIC-NEXT:    j $BB1_3
+; NO-SHRINK-WRAP-STATIC-NEXT:    nop
+; NO-SHRINK-WRAP-STATIC-NEXT:  $BB1_2: # %if.then
+; NO-SHRINK-WRAP-STATIC-NEXT:    #APP
+;
+; SHRINK-WRAP-PIC-LABEL: foo2:
+; SHRINK-WRAP-PIC:       # %bb.0:
+; SHRINK-WRAP-PIC-NEXT:    lui $2, %hi(_gp_disp)
+; SHRINK-WRAP-PIC-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; SHRINK-WRAP-PIC-NEXT:    addiu $1, $zero, 4
+; SHRINK-WRAP-PIC-NEXT:    bne $4, $1, $BB1_3
+; SHRINK-WRAP-PIC-NEXT:    addu $gp, $2, $25
+; SHRINK-WRAP-PIC-NEXT:  # %bb.1:
+; SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, -8
+; SHRINK-WRAP-PIC-NEXT:    sw $ra, 0($sp)
+; SHRINK-WRAP-PIC-NEXT:    lui $1, %hi(($BB1_4)-($BB1_2))
+; SHRINK-WRAP-PIC-NEXT:    bal $BB1_2
+; SHRINK-WRAP-PIC-NEXT:    addiu $1, $1, %lo(($BB1_4)-($BB1_2))
+; SHRINK-WRAP-PIC-NEXT:  $BB1_2:
+; SHRINK-WRAP-PIC-NEXT:    addu $1, $ra, $1
+; SHRINK-WRAP-PIC-NEXT:    lw $ra, 0($sp)
+; SHRINK-WRAP-PIC-NEXT:    jr $1
+; SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, 8
+; SHRINK-WRAP-PIC-NEXT:  $BB1_3: # %if.then
+; SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, -24
+; SHRINK-WRAP-PIC-NEXT:    .cfi_def_cfa_offset 24
+; SHRINK-WRAP-PIC-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; SHRINK-WRAP-PIC-NEXT:    .cfi_offset 31, -4
+; SHRINK-WRAP-PIC-NEXT:    #APP
+;
+; NO-SHRINK-WRAP-PIC-LABEL: foo2:
+; NO-SHRINK-WRAP-PIC:       # %bb.0:
+; NO-SHRINK-WRAP-PIC-NEXT:    lui $2, %hi(_gp_disp)
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $2, $2, %lo(_gp_disp)
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, -24
+; NO-SHRINK-WRAP-PIC-NEXT:    .cfi_def_cfa_offset 24
+; NO-SHRINK-WRAP-PIC-NEXT:    sw $ra, 20($sp) # 4-byte Folded Spill
+; NO-SHRINK-WRAP-PIC-NEXT:    .cfi_offset 31, -4
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $1, $zero, 4
+; NO-SHRINK-WRAP-PIC-NEXT:    bne $4, $1, $BB1_3
+; NO-SHRINK-WRAP-PIC-NEXT:    addu $gp, $2, $25
+; NO-SHRINK-WRAP-PIC-NEXT:  # %bb.1:
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, -8
+; NO-SHRINK-WRAP-PIC-NEXT:    sw $ra, 0($sp)
+; NO-SHRINK-WRAP-PIC-NEXT:    lui $1, %hi(($BB1_4)-($BB1_2))
+; NO-SHRINK-WRAP-PIC-NEXT:    bal $BB1_2
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $1, $1, %lo(($BB1_4)-($BB1_2))
+; NO-SHRINK-WRAP-PIC-NEXT:  $BB1_2:
+; NO-SHRINK-WRAP-PIC-NEXT:    addu $1, $ra, $1
+; NO-SHRINK-WRAP-PIC-NEXT:    lw $ra, 0($sp)
+; NO-SHRINK-WRAP-PIC-NEXT:    jr $1
+; NO-SHRINK-WRAP-PIC-NEXT:    addiu $sp, $sp, 8
+; NO-SHRINK-WRAP-PIC-NEXT:  $BB1_3: # %if.then
+; NO-SHRINK-WRAP-PIC-NEXT:    #APP
+;
+; SHRINK-WRAP-64-STATIC-LABEL: foo2:
+; SHRINK-WRAP-64-STATIC:       # %bb.0:
+; SHRINK-WRAP-64-STATIC-NEXT:    addiu $1, $zero, 4
+; SHRINK-WRAP-64-STATIC-NEXT:    bne $4, $1, .LBB1_2
+; SHRINK-WRAP-64-STATIC-NEXT:    nop
+; SHRINK-WRAP-64-STATIC-NEXT:  # %bb.1:
+; SHRINK-WRAP-64-STATIC-NEXT:    j .LBB1_3
+; SHRINK-WRAP-64-STATIC-NEXT:    nop
+; SHRINK-WRAP-64-STATIC-NEXT:  .LBB1_2: # %if.then
+; SHRINK-WRAP-64-STATIC-NEXT:    daddiu $sp, $sp, -16
+; SHRINK-WRAP-64-STATIC-NEXT:    .cfi_def_cfa_offset 16
+; SHRINK-WRAP-64-STATIC-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; SHRINK-WRAP-64-STATIC-NEXT:    .cfi_offset 31, -8
+; SHRINK-WRAP-64-STATIC-NEXT:    sll $4, $4, 0
+; SHRINK-WRAP-64-STATIC-NEXT:    #APP
+;
+; NO-SHRINK-WRAP-64-STATIC-LABEL: foo2:
+; NO-SHRINK-WRAP-64-STATIC:       # %bb.0:
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    daddiu $sp, $sp, -16
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    .cfi_def_cfa_offset 16
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    .cfi_offset 31, -8
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    addiu $1, $zero, 4
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    bne $4, $1, .LBB1_2
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    nop
+; NO-SHRINK-WRAP-64-STATIC-NEXT:  # %bb.1:
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    j .LBB1_3
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    nop
+; NO-SHRINK-WRAP-64-STATIC-NEXT:  .LBB1_2: # %if.then
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    sll $4, $4, 0
+; NO-SHRINK-WRAP-64-STATIC-NEXT:    #APP
+;
+; SHRINK-WRAP-64-PIC-LABEL: foo2:
+; SHRINK-WRAP-64-PIC:       # %bb.0:
+; SHRINK-WRAP-64-PIC-NEXT:    lui $1, %hi(%neg(%gp_rel(foo2)))
+; SHRINK-WRAP-64-PIC-NEXT:    daddu $2, $1, $25
+; SHRINK-WRAP-64-PIC-NEXT:    addiu $1, $zero, 4
+; SHRINK-WRAP-64-PIC-NEXT:    bne $4, $1, .LBB1_3
+; SHRINK-WRAP-64-PIC-NEXT:    nop
+; SHRINK-WRAP-64-PIC-NEXT:  # %bb.1:
+; SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, -16
+; SHRINK-WRAP-64-PIC-NEXT:    sd $ra, 0($sp)
+; SHRINK-WRAP-64-PIC-NEXT:    daddiu $1, $zero, %hi(.LBB1_4-.LBB1_2)
+; SHRINK-WRAP-64-PIC-NEXT:    dsll $1, $1, 16
+; SHRINK-WRAP-64-PIC-NEXT:    bal .LBB1_2
+; SHRINK-WRAP-64-PIC-NEXT:    daddiu $1, $1, %lo(.LBB1_4-.LBB1_2)
+; SHRINK-WRAP-64-PIC-NEXT:  .LBB1_2:
+; SHRINK-WRAP-64-PIC-NEXT:    daddu $1, $ra, $1
+; SHRINK-WRAP-64-PIC-NEXT:    ld $ra, 0($sp)
+; SHRINK-WRAP-64-PIC-NEXT:    jr $1
+; SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, 16
+; SHRINK-WRAP-64-PIC-NEXT:  .LBB1_3: # %if.then
+; SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, -16
+; SHRINK-WRAP-64-PIC-NEXT:    .cfi_def_cfa_offset 16
+; SHRINK-WRAP-64-PIC-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; SHRINK-WRAP-64-PIC-NEXT:    sd $gp, 0($sp) # 8-byte Folded Spill
+; SHRINK-WRAP-64-PIC-NEXT:    .cfi_offset 31, -8
+; SHRINK-WRAP-64-PIC-NEXT:    .cfi_offset 28, -16
+; SHRINK-WRAP-64-PIC-NEXT:    daddiu $gp, $2, %lo(%neg(%gp_rel(foo2)))
+; SHRINK-WRAP-64-PIC-NEXT:    sll $4, $4, 0
+; SHRINK-WRAP-64-PIC-NEXT:    #APP
+;
+; NO-SHRINK-WRAP-64-PIC-LABEL: foo2:
+; NO-SHRINK-WRAP-64-PIC:       # %bb.0:
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, -16
+; NO-SHRINK-WRAP-64-PIC-NEXT:    .cfi_def_cfa_offset 16
+; NO-SHRINK-WRAP-64-PIC-NEXT:    sd $ra, 8($sp) # 8-byte Folded Spill
+; NO-SHRINK-WRAP-64-PIC-NEXT:    sd $gp, 0($sp) # 8-byte Folded Spill
+; NO-SHRINK-WRAP-64-PIC-NEXT:    .cfi_offset 31, -8
+; NO-SHRINK-WRAP-64-PIC-NEXT:    .cfi_offset 28, -16
+; NO-SHRINK-WRAP-64-PIC-NEXT:    lui $1, %hi(%neg(%gp_rel(foo2)))
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddu $2, $1, $25
+; NO-SHRINK-WRAP-64-PIC-NEXT:    addiu $1, $zero, 4
+; NO-SHRINK-WRAP-64-PIC-NEXT:    bne $4, $1, .LBB1_3
+; NO-SHRINK-WRAP-64-PIC-NEXT:    nop
+; NO-SHRINK-WRAP-64-PIC-NEXT:  # %bb.1:
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, -16
+; NO-SHRINK-WRAP-64-PIC-NEXT:    sd $ra, 0($sp)
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddiu $1, $zero, %hi(.LBB1_4-.LBB1_2)
+; NO-SHRINK-WRAP-64-PIC-NEXT:    dsll $1, $1, 16
+; NO-SHRINK-WRAP-64-PIC-NEXT:    bal .LBB1_2
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddiu $1, $1, %lo(.LBB1_4-.LBB1_2)
+; NO-SHRINK-WRAP-64-PIC-NEXT:  .LBB1_2:
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddu $1, $ra, $1
+; NO-SHRINK-WRAP-64-PIC-NEXT:    ld $ra, 0($sp)
+; NO-SHRINK-WRAP-64-PIC-NEXT:    jr $1
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddiu $sp, $sp, 16
+; NO-SHRINK-WRAP-64-PIC-NEXT:  .LBB1_3: # %if.then
+; NO-SHRINK-WRAP-64-PIC-NEXT:    daddiu $gp, $2, %lo(%neg(%gp_rel(foo2)))
+; NO-SHRINK-WRAP-64-PIC-NEXT:    sll $4, $4, 0
+; NO-SHRINK-WRAP-64-PIC-NEXT:    #APP
+  %1 = icmp ne i32 %a, 4
+  br i1 %1, label %if.then, label %if.end
+
+if.then:
+  call void asm sideeffect ".space 1048576", "~{$1}"()
+  call void @f(i32 signext %a)
+  br label %if.end
+
+if.end:
+  ret i32 0
+}