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Use FrameSetup on frame instructions for the Mips port.

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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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206218 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2014-04-14 22:21:22 +00:00
parent 3a243636d5
commit 7c34191683
2 changed files with 3 additions and 2 deletions
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2
lib/Target/Mips/Mips16FrameLowering.cpp
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@ -71,7 +71,7 @@ void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const {
}
if (hasFP(MF))
BuildMI(MBB, MBBI, dl, TII.get(Mips::MoveR3216), Mips::S0)
.addReg(Mips::SP);
.addReg(Mips::SP).setMIFlag(MachineInstr::FrameSetup);
}

3
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 (hasFP(MF)) {
// 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"
unsigned CFIIndex = MMI.addFrameInst(MCCFIInstruction::createDefCfaRegister(