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| author | Jim Grosbach <grosbach@apple.com> | 2009-09-29 20:11:10 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2009-09-29 20:11:10 +0000 |
| commit | 3ea3fe65944b950bb0b5ee08c3ee246ab9994881 (patch) | |
| tree | 942f1ad50e0e3091f0b086acf3ca67d8be1da6e5 /llvm/lib | |
| parent | 561977940cc834b2d56269a10de33d285c512a12 (diff) | |
| download | bcm5719-llvm-3ea3fe65944b950bb0b5ee08c3ee246ab9994881.tar.gz bcm5719-llvm-3ea3fe65944b950bb0b5ee08c3ee246ab9994881.zip | |
Additional check for regno==0
llvm-svn: 83103
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/RegisterScavenging.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegisterScavenging.cpp b/llvm/lib/CodeGen/RegisterScavenging.cpp index ada7b4665d3..b99f88f94da 100644 --- a/llvm/lib/CodeGen/RegisterScavenging.cpp +++ b/llvm/lib/CodeGen/RegisterScavenging.cpp @@ -280,7 +280,7 @@ unsigned RegScavenger::scavengeRegister(const TargetRegisterClass *RC, // Exclude all the registers being used by the instruction. for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i) { MachineOperand &MO = I->getOperand(i); - if (MO.isReg() && !TRI->isVirtualRegister(MO.getReg())) + if (MO.isReg() && MO.getReg() != 0 && !TRI->isVirtualRegister(MO.getReg())) Candidates.reset(MO.getReg()); } |
