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Use FrameSetup on frame instructions for the Mips port. 

I can't seem to get a testcase to show a difference here, but it's
part of the unconditional-br.ll line table weirdness.

llvm-svn: 206218
This commit is contained in:
Eric Christopher 2014-04-14 22:21:22 +00:00
parent 4f5212a60e
commit b45b4814f6
2 changed files with 3 additions and 2 deletions
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2
llvm/lib/Target/Mips/Mips16FrameLowering.cpp
View File

@ -71,7 +71,7 @@ void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const {
} }
if (hasFP(MF)) if (hasFP(MF))
BuildMI(MBB, MBBI, dl, TII.get(Mips::MoveR3216), Mips::S0) BuildMI(MBB, MBBI, dl, TII.get(Mips::MoveR3216), Mips::S0)
.addReg(Mips::SP); .addReg(Mips::SP).setMIFlag(MachineInstr::FrameSetup);
} }

3
llvm/lib/Target/Mips/MipsSEFrameLowering.cpp
View File

@ -375,7 +375,8 @@ void MipsSEFrameLowering::emitPrologue(MachineFunction &MF) const {
// if framepointer enabled, set it to point to the stack pointer. // if framepointer enabled, set it to point to the stack pointer.
if (hasFP(MF)) { if (hasFP(MF)) {
// Insert instruction "move $fp, $sp" at this location. // Insert instruction "move $fp, $sp" at this location.
BuildMI(MBB, MBBI, dl, TII.get(ADDu), FP).addReg(SP).addReg(ZERO); BuildMI(MBB, MBBI, dl, TII.get(ADDu), FP).addReg(SP).addReg(ZERO)
.setMIFlag(MachineInstr::FrameSetup);
// emit ".cfi_def_cfa_register $fp" // emit ".cfi_def_cfa_register $fp"
unsigned CFIIndex = MMI.addFrameInst(MCCFIInstruction::createDefCfaRegister( unsigned CFIIndex = MMI.addFrameInst(MCCFIInstruction::createDefCfaRegister(