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author | Chad Rosier <mcrosier@apple.com> | 2013-01-31 20:02:54 +0000 |
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committer | Chad Rosier <mcrosier@apple.com> | 2013-01-31 20:02:54 +0000 |
commit | 108fb3202af6f500073cdbb7be32c25d7a273a2e (patch) | |
tree | 6703559490a0aa0b23f9c425fe177d19751565ba /lib/Target/NVPTX/NVPTXRegisterInfo.cpp | |
parent | cce07c9b3162acc756535e813e6ae818ad61564b (diff) | |
download | llvm-108fb3202af6f500073cdbb7be32c25d7a273a2e.tar.gz llvm-108fb3202af6f500073cdbb7be32c25d7a273a2e.tar.bz2 llvm-108fb3202af6f500073cdbb7be32c25d7a273a2e.tar.xz |
[PEI] Pass the frame index operand number to the eliminateFrameIndex function.
Each target implementation was needlessly recomputing the index.
Part of rdar://13076458
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174083 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/NVPTX/NVPTXRegisterInfo.cpp')
-rw-r--r-- | lib/Target/NVPTX/NVPTXRegisterInfo.cpp | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/lib/Target/NVPTX/NVPTXRegisterInfo.cpp b/lib/Target/NVPTX/NVPTXRegisterInfo.cpp index 08be917bb7..e0c9161f31 100644 --- a/lib/Target/NVPTX/NVPTXRegisterInfo.cpp +++ b/lib/Target/NVPTX/NVPTXRegisterInfo.cpp @@ -277,30 +277,22 @@ BitVector NVPTXRegisterInfo::getReservedRegs(const MachineFunction &MF) const { void NVPTXRegisterInfo:: eliminateFrameIndex(MachineBasicBlock::iterator II, - int SPAdj, + int SPAdj, unsigned FIOperandNum, RegScavenger *RS) const { assert(SPAdj == 0 && "Unexpected"); - unsigned i = 0; MachineInstr &MI = *II; - while (!MI.getOperand(i).isFI()) { - ++i; - assert(i < MI.getNumOperands() && - "Instr doesn't have FrameIndex operand!"); - } - - int FrameIndex = MI.getOperand(i).getIndex(); + int FrameIndex = MI.getOperand(FIOperandNum).getIndex(); MachineFunction &MF = *MI.getParent()->getParent(); int Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex) + - MI.getOperand(i+1).getImm(); + MI.getOperand(FIOperandNum+1).getImm(); // Using I0 as the frame pointer - MI.getOperand(i).ChangeToRegister(NVPTX::VRFrame, false); - MI.getOperand(i+1).ChangeToImmediate(Offset); + MI.getOperand(FIOperandNum).ChangeToRegister(NVPTX::VRFrame, false); + MI.getOperand(FIOperandNum+1).ChangeToImmediate(Offset); } - int NVPTXRegisterInfo:: getDwarfRegNum(unsigned RegNum, bool isEH) const { return 0; |