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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 | 83ccd14228ed3b2458a59cc3b2ede763cad6fe50 (patch) | |
| tree | a6b989aed7cdd74139ec8e17e50c61b81800e794 /lib/Target/X86/X86InstrInfo.cpp | |
| parent | c739489c1989a9610485fbde9dcd6c99b91494c0 (diff) | |
| download | external_llvm-83ccd14228ed3b2458a59cc3b2ede763cad6fe50.zip external_llvm-83ccd14228ed3b2458a59cc3b2ede763cad6fe50.tar.gz external_llvm-83ccd14228ed3b2458a59cc3b2ede763cad6fe50.tar.bz2 | |
Mark lea fi# as being really rematerializable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56698 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index c19628b..c275418 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/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; |