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Fix @llvm.frameaddress codegen. FP elimination optimization should be disabled when frame address is desired. Also add support for depth > 0.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56683 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-09-26 19:48:35 +00:00
parent dbc2e856fc
commit 36a55023c1
13 changed files with 56 additions and 16 deletions
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4
lib/Target/IA64/IA64RegisterInfo.cpp
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@@ -75,7 +75,9 @@ BitVector IA64RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
// if frame pointer elimination is disabled.
//
bool IA64RegisterInfo::hasFP(const MachineFunction &MF) const {
return NoFramePointerElim || MF.getFrameInfo()->hasVarSizedObjects();
const MachineFrameInfo *MFI = MF.getFrameInfo();
return NoFramePointerElim || MFI->hasVarSizedObjects() ||
MFI->isFrameAddressTaken();
}
void IA64RegisterInfo::