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Update ATUsed every time after expandRegLargeImmPair is called. 

llvm-svn: 129104
This commit is contained in:
Akira Hatanaka 2011-04-07 20:23:26 +00:00
parent 44d9ef78ca
commit 94ee37e487
1 changed files with 8 additions and 4 deletions
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12
llvm/lib/Target/Mips/MipsFrameLowering.cpp
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@ -288,7 +288,8 @@ void MipsFrameLowering::emitPrologue(MachineFunction &MF) const {
// Save the return address only if the function isnt a leaf one.
// sw $ra, stack_loc($sp)
if (MFI->adjustsStack()) {
expandRegLargeImmPair(Mips::SP, RAOffset, NewReg, NewImm, MBB, MBBI);
ATUsed = expandRegLargeImmPair(Mips::SP, RAOffset, NewReg, NewImm, MBB,
MBBI);
BuildMI(MBB, MBBI, dl, TII.get(Mips::SW))
.addReg(Mips::RA).addImm(NewImm).addReg(NewReg);
@ -301,7 +302,8 @@ void MipsFrameLowering::emitPrologue(MachineFunction &MF) const {
// to point to the stack pointer
if (hasFP(MF)) {
// sw $fp,stack_loc($sp)
expandRegLargeImmPair(Mips::SP, FPOffset, NewReg, NewImm, MBB, MBBI);
ATUsed = expandRegLargeImmPair(Mips::SP, FPOffset, NewReg, NewImm, MBB,
MBBI);
BuildMI(MBB, MBBI, dl, TII.get(Mips::SW))
.addReg(Mips::FP).addImm(NewImm).addReg(NewReg);
@ -361,7 +363,8 @@ void MipsFrameLowering::emitEpilogue(MachineFunction &MF,
// Restore the return address only if the function isnt a leaf one.
// lw $ra, stack_loc($sp)
if (MFI->adjustsStack()) {
expandRegLargeImmPair(Mips::SP, RAOffset, NewReg, NewImm, MBB, MBBI);
ATUsed = expandRegLargeImmPair(Mips::SP, RAOffset, NewReg, NewImm, MBB,
MBBI);
BuildMI(MBB, MBBI, dl, TII.get(Mips::LW), Mips::RA)
.addImm(NewImm).addReg(NewReg);
@ -372,7 +375,8 @@ void MipsFrameLowering::emitEpilogue(MachineFunction &MF,
// adjust stack : insert addi sp, sp, (imm)
if (NumBytes) {
expandRegLargeImmPair(Mips::SP, NumBytes, NewReg, NewImm, MBB, MBBI);
ATUsed = expandRegLargeImmPair(Mips::SP, NumBytes, NewReg, NewImm, MBB,
MBBI);
BuildMI(MBB, MBBI, dl, TII.get(Mips::ADDiu), Mips::SP)
.addReg(NewReg).addImm(NewImm);