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Rename "HasCalls" in MachineFrameInfo to "AdjustsStack" to better describe what

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the variable actually tracks.

N.B., several back-ends are using "HasCalls" as being synonymous for something
that adjusts the stack. This isn't 100% correct and should be looked into.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103802 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2010-05-14 21:14:32 +00:00
parent 552b888744
commit b92187a410
17 changed files with 83 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
lib/Target/Mips/MipsRegisterInfo.cpp
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@@ -288,7 +288,7 @@ void MipsRegisterInfo::adjustMipsStackFrame(MachineFunction &MF) const
// Stack locations for FP and RA. If only one of them is used,
// the space must be allocated for both, otherwise no space at all.
if (hasFP(MF) || MFI->hasCalls()) {
if (hasFP(MF) || MFI->adjustsStack()) {
// FP stack location
MFI->setObjectOffset(MFI->CreateStackObject(RegSize, RegSize, true),
StackOffset);
@@ -302,7 +302,7 @@ void MipsRegisterInfo::adjustMipsStackFrame(MachineFunction &MF) const
MipsFI->setRAStackOffset(StackOffset);
StackOffset += RegSize;
if (MFI->hasCalls())
if (MFI->adjustsStack())
TopCPUSavedRegOff += RegSize;
}
@@ -407,7 +407,7 @@ emitPrologue(MachineFunction &MF) const
unsigned StackSize = MFI->getStackSize();
// No need to allocate space on the stack.
if (StackSize == 0 && !MFI->hasCalls()) return;
if (StackSize == 0 && !MFI->adjustsStack()) return;
int FPOffset = MipsFI->getFPStackOffset();
int RAOffset = MipsFI->getRAStackOffset();
@@ -425,7 +425,7 @@ emitPrologue(MachineFunction &MF) const
// Save the return address only if the function isnt a leaf one.
// sw $ra, stack_loc($sp)
if (MFI->hasCalls()) {
if (MFI->adjustsStack()) {
BuildMI(MBB, MBBI, dl, TII.get(Mips::SW))
.addReg(Mips::RA).addImm(RAOffset).addReg(Mips::SP);
}
@@ -477,7 +477,7 @@ emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const
// Restore the return address only if the function isnt a leaf one.
// lw $ra, stack_loc($sp)
if (MFI->hasCalls()) {
if (MFI->adjustsStack()) {
BuildMI(MBB, MBBI, dl, TII.get(Mips::LW), Mips::RA)
.addImm(RAOffset).addReg(Mips::SP);
}