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| author | Evan Cheng <evan.cheng@apple.com> | 2008-07-03 00:04:51 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-07-03 00:04:51 +0000 |
| commit | 457b88fb95be895d914e52f3b44014a82e645e4a (patch) | |
| tree | f689984fff1f4ae2521fb65982e98efd99e88448 | |
| parent | f660c171c838793b87b7e58e91609cecf256378d (diff) | |
| download | external_llvm-457b88fb95be895d914e52f3b44014a82e645e4a.zip external_llvm-457b88fb95be895d914e52f3b44014a82e645e4a.tar.gz external_llvm-457b88fb95be895d914e52f3b44014a82e645e4a.tar.bz2 | |
commuteInstruction should preserve dead markers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53060 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 969a05c..2a3f1cb 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -1214,6 +1214,7 @@ X86InstrInfo::commuteInstruction(MachineInstr *MI, bool NewMI) const { unsigned A = MI->getOperand(0).getReg(); unsigned B = MI->getOperand(1).getReg(); unsigned C = MI->getOperand(2).getReg(); + bool AisDead = MI->getOperand(0).isDead(); bool BisKill = MI->getOperand(1).isKill(); bool CisKill = MI->getOperand(2).isKill(); // If machine instrs are no longer in two-address forms, update @@ -1225,7 +1226,8 @@ X86InstrInfo::commuteInstruction(MachineInstr *MI, bool NewMI) const { A = C; CisKill = false; } - return BuildMI(get(Opc), A).addReg(C, false, false, CisKill) + return BuildMI(get(Opc)).addReg(A, true, false, false, AisDead) + .addReg(C, false, false, CisKill) .addReg(B, false, false, BisKill).addImm(Size-Amt); } case X86::CMOVB16rr: |