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| author | Dan Gohman <gohman@apple.com> | 2008-09-26 21:30:20 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-09-26 21:30:20 +0000 |
| commit | 7e922aa35df197ccf54da7bfd245908a1e4944a4 (patch) | |
| tree | a07401218e196019769b2778aa677ed1d1ee4066 | |
| parent | 30f5494efb5b7e57eb58569cfeb2edb6a5311c7e (diff) | |
| download | bcm5719-llvm-7e922aa35df197ccf54da7bfd245908a1e4944a4.tar.gz bcm5719-llvm-7e922aa35df197ccf54da7bfd245908a1e4944a4.zip | |
Mark lea fi# as being really rematerializable.
llvm-svn: 56698
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index c19628b81b5..c275418ddd8 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -819,11 +819,12 @@ X86InstrInfo::isReallyTriviallyReMaterializable(const MachineInstr *MI) const { case X86::LEA32r: case X86::LEA64r: { - if (MI->getOperand(1).isRegister() && - MI->getOperand(2).isImmediate() && + if (MI->getOperand(2).isImmediate() && MI->getOperand(3).isRegister() && MI->getOperand(3).getReg() == 0 && !MI->getOperand(4).isRegister()) { // lea fi#, lea GV, etc. are all rematerializable. + if (!MI->getOperand(1).isRegister()) + return true; unsigned BaseReg = MI->getOperand(1).getReg(); if (BaseReg == 0) return true; |
