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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-08 16:40:15 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-08 16:40:15 +0000 |
| commit | 68abc43d979f4218553846cd099f5a64eb5e62f2 (patch) | |
| tree | 0cca1a2e6c2f57b5e7a8ba5ef597f32914630420 /lib/CodeGen/ProcessImplicitDefs.cpp | |
| parent | 936286a89780cd19b3a9ebdf4cd07bd19c3cc39d (diff) | |
| download | external_llvm-68abc43d979f4218553846cd099f5a64eb5e62f2.zip external_llvm-68abc43d979f4218553846cd099f5a64eb5e62f2.tar.gz external_llvm-68abc43d979f4218553846cd099f5a64eb5e62f2.tar.bz2 | |
Remove references to INSERT_SUBREG after de-SSA.
Fix X86InstrInfo::convertToThreeAddressWithLEA to generate COPY instead of
INSERT_SUBREG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107878 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ProcessImplicitDefs.cpp')
| -rw-r--r-- | lib/CodeGen/ProcessImplicitDefs.cpp | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/lib/CodeGen/ProcessImplicitDefs.cpp b/lib/CodeGen/ProcessImplicitDefs.cpp index 80121ca..2caef08 100644 --- a/lib/CodeGen/ProcessImplicitDefs.cpp +++ b/lib/CodeGen/ProcessImplicitDefs.cpp @@ -102,21 +102,6 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) { continue; } - if (MI->isInsertSubreg()) { - MachineOperand &MO = MI->getOperand(2); - if (ImpDefRegs.count(MO.getReg())) { - // %reg1032<def> = INSERT_SUBREG %reg1032, undef, 2 - // This is an identity copy, eliminate it now. - if (MO.isKill()) { - LiveVariables::VarInfo& vi = lv_->getVarInfo(MO.getReg()); - vi.removeKill(MI); - } - MI->eraseFromParent(); - Changed = true; - continue; - } - } - // Eliminate %reg1032:sub<def> = COPY undef. if (MI->isCopy() && MI->getOperand(0).getSubReg()) { MachineOperand &MO = MI->getOperand(1); |