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| author | rdivacky <rdivacky@FreeBSD.org> | 2010-04-02 08:54:30 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2010-04-02 08:54:30 +0000 |
| commit | 20e856b2a58d12231aa42d5d13888b15ac03e5a4 (patch) | |
| tree | cf5763d092b81cecc168fa28032247ee495d06e2 /lib/CodeGen/LiveVariables.cpp | |
| parent | 2f2afc1aae898651e26987a5c71f3febb19bca98 (diff) | |
| download | FreeBSD-src-20e856b2a58d12231aa42d5d13888b15ac03e5a4.zip FreeBSD-src-20e856b2a58d12231aa42d5d13888b15ac03e5a4.tar.gz | |
Update LLVM to r100181.
Diffstat (limited to 'lib/CodeGen/LiveVariables.cpp')
| -rw-r--r-- | lib/CodeGen/LiveVariables.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp index 519990e..ca8ecff 100644 --- a/lib/CodeGen/LiveVariables.cpp +++ b/lib/CodeGen/LiveVariables.cpp @@ -556,17 +556,21 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &mf) { if (MI->isPHI()) NumOperandsToProcess = 1; + // Clear kill and dead markers. LV will recompute them. SmallVector<unsigned, 4> UseRegs; SmallVector<unsigned, 4> DefRegs; for (unsigned i = 0; i != NumOperandsToProcess; ++i) { - const MachineOperand &MO = MI->getOperand(i); + MachineOperand &MO = MI->getOperand(i); if (!MO.isReg() || MO.getReg() == 0) continue; unsigned MOReg = MO.getReg(); - if (MO.isUse()) + if (MO.isUse()) { + MO.setIsKill(false); UseRegs.push_back(MOReg); - if (MO.isDef()) + } else /*MO.isDef()*/ { + MO.setIsDead(false); DefRegs.push_back(MOReg); + } } // Process all uses. |
