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author | Dimitry Andric <dim@FreeBSD.org> | 2010-09-17 15:48:55 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2010-09-17 15:48:55 +0000 |
commit | d39c594d39df7f283c2fb8a704a3f31c501180d9 (patch) | |
tree | 36453626c792cccd91f783a38a169d610a6b9db9 /lib/CodeGen/OptimizePHIs.cpp | |
parent | 6144c1de6a7674dad94290650e4e14f24d42e421 (diff) | |
download | src-d39c594d39df7f283c2fb8a704a3f31c501180d9.tar.gz src-d39c594d39df7f283c2fb8a704a3f31c501180d9.zip |
Vendor import of llvm r114020 (from the release_28 branch):vendor/llvm/llvm-r114020
http://llvm.org/svn/llvm-project/llvm/branches/release_28@114020
Approved by: rpaulo (mentor)
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=212793
svn path=/vendor/llvm/llvm-r114020/; revision=212794; tag=vendor/llvm/llvm-r114020
Diffstat (limited to 'lib/CodeGen/OptimizePHIs.cpp')
-rw-r--r-- | lib/CodeGen/OptimizePHIs.cpp | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/lib/CodeGen/OptimizePHIs.cpp b/lib/CodeGen/OptimizePHIs.cpp index 1613fe21e42d..edb4eea71b8a 100644 --- a/lib/CodeGen/OptimizePHIs.cpp +++ b/lib/CodeGen/OptimizePHIs.cpp @@ -33,7 +33,7 @@ namespace { public: static char ID; // Pass identification - OptimizePHIs() : MachineFunctionPass(&ID) {} + OptimizePHIs() : MachineFunctionPass(ID) {} virtual bool runOnMachineFunction(MachineFunction &MF); @@ -54,8 +54,8 @@ namespace { } char OptimizePHIs::ID = 0; -static RegisterPass<OptimizePHIs> -X("opt-phis", "Optimize machine instruction PHIs"); +INITIALIZE_PASS(OptimizePHIs, "opt-phis", + "Optimize machine instruction PHIs", false, false); FunctionPass *llvm::createOptimizePHIsPass() { return new OptimizePHIs(); } @@ -101,16 +101,10 @@ bool OptimizePHIs::IsSingleValuePHICycle(MachineInstr *MI, MachineInstr *SrcMI = MRI->getVRegDef(SrcReg); // Skip over register-to-register moves. - unsigned MvSrcReg, MvDstReg, SrcSubIdx, DstSubIdx; - if (SrcMI && - TII->isMoveInstr(*SrcMI, MvSrcReg, MvDstReg, SrcSubIdx, DstSubIdx) && - SrcSubIdx == 0 && DstSubIdx == 0 && - TargetRegisterInfo::isVirtualRegister(MvSrcReg)) - SrcMI = MRI->getVRegDef(MvSrcReg); - else if (SrcMI && SrcMI->isCopy() && - !SrcMI->getOperand(0).getSubReg() && - !SrcMI->getOperand(1).getSubReg() && - TargetRegisterInfo::isVirtualRegister(SrcMI->getOperand(1).getReg())) + if (SrcMI && SrcMI->isCopy() && + !SrcMI->getOperand(0).getSubReg() && + !SrcMI->getOperand(1).getSubReg() && + TargetRegisterInfo::isVirtualRegister(SrcMI->getOperand(1).getReg())) SrcMI = MRI->getVRegDef(SrcMI->getOperand(1).getReg()); if (!SrcMI) return false; |