diff options
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index bbe30b4..fce7172 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -1340,25 +1340,25 @@ void X86RegisterInfo::emitEpilogue(MachineFunction &MF, addReg(DestAddr.getReg()); } - if (NumBytes) { // adjust stack pointer back: ESP += numbytes - // Skip the callee-saved pop instructions. - while (MBBI != MBB.begin()) { - MachineBasicBlock::iterator PI = prior(MBBI); - if (PI->getOpcode() != X86::POP32r && PI->getOpcode() != X86::POP64r) - break; - --MBBI; - } + // Skip the callee-saved pop instructions. + while (MBBI != MBB.begin()) { + MachineBasicBlock::iterator PI = prior(MBBI); + if (PI->getOpcode() != X86::POP32r && PI->getOpcode() != X86::POP64r) + break; + --MBBI; + } - // If dynamic alloca is used, then reset esp to point to the last - // callee-saved slot before popping them off! - if (MFI->hasVarSizedObjects()) { - unsigned Opc = Is64Bit ? X86::LEA64r : X86::LEA32r; - MachineInstr *MI = addRegOffset(BuildMI(TII.get(Opc), StackPtr), - FramePtr, -CSSize); - MBB.insert(MBBI, MI); - return; - } + // If dynamic alloca is used, then reset esp to point to the last + // callee-saved slot before popping them off! + if (MFI->hasVarSizedObjects()) { + unsigned Opc = Is64Bit ? X86::LEA64r : X86::LEA32r; + MachineInstr *MI = addRegOffset(BuildMI(TII.get(Opc), StackPtr), + FramePtr, -CSSize); + MBB.insert(MBBI, MI); + return; + } + if (NumBytes) { // adjust stack pointer back: ESP += numbytes // If there is an ADD32ri or SUB32ri of ESP immediately before this // instruction, merge the two instructions. if (MBBI != MBB.begin()) { |