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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-08 16:40:22 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-08 16:40:22 +0000 |
| commit | 0bc25f40402f48ba42fc45403f635b20d90fabb3 (patch) | |
| tree | da54f1273d8837a03ebf46bee701c2c19a05a573 /lib/CodeGen/ProcessImplicitDefs.cpp | |
| parent | 5c00e077952d14899c3fc26709c7b2dfd36d0209 (diff) | |
| download | llvm-0bc25f40402f48ba42fc45403f635b20d90fabb3.tar.gz llvm-0bc25f40402f48ba42fc45403f635b20d90fabb3.tar.bz2 llvm-0bc25f40402f48ba42fc45403f635b20d90fabb3.tar.xz | |
Convert EXTRACT_SUBREG to COPY when emitting machine instrs.
EXTRACT_SUBREG no longer appears as a machine instruction. Use COPY instead.
Add isCopy() checks in many places using isMoveInstr() and isExtractSubreg().
The isMoveInstr hook will be removed later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107879 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ProcessImplicitDefs.cpp')
| -rw-r--r-- | lib/CodeGen/ProcessImplicitDefs.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/ProcessImplicitDefs.cpp b/lib/CodeGen/ProcessImplicitDefs.cpp index 2caef08b50..ca4c477168 100644 --- a/lib/CodeGen/ProcessImplicitDefs.cpp +++ b/lib/CodeGen/ProcessImplicitDefs.cpp @@ -50,8 +50,7 @@ bool ProcessImplicitDefs::CanTurnIntoImplicitDef(MachineInstr *MI, return true; switch(OpIdx) { - case 1: return (MI->isExtractSubreg() || MI->isCopy()) && - MI->getOperand(0).getSubReg() == 0; + case 1: return MI->isCopy() && MI->getOperand(0).getSubReg() == 0; case 2: return MI->isSubregToReg() && MI->getOperand(0).getSubReg() == 0; default: return false; } |