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| author | Evan Cheng <evan.cheng@apple.com> | 2010-09-17 21:56:26 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-09-17 21:56:26 +0000 |
| commit | 0dcd3362bd809065be1b3d5d2b45ef6117c4ad9e (patch) | |
| tree | 5038d11856c9e181294151289c6c24c4ba2246c2 /llvm/lib/CodeGen/MachineCSE.cpp | |
| parent | 4a253e5ac8aae0820da282b869871b54d57f6c38 (diff) | |
| download | bcm5719-llvm-0dcd3362bd809065be1b3d5d2b45ef6117c4ad9e.tar.gz bcm5719-llvm-0dcd3362bd809065be1b3d5d2b45ef6117c4ad9e.zip | |
Fix a potential bug that can cause miscomparison with and without debug info.
llvm-svn: 114220
Diffstat (limited to 'llvm/lib/CodeGen/MachineCSE.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineCSE.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineCSE.cpp b/llvm/lib/CodeGen/MachineCSE.cpp index 92e2299ec62..39a50d2078f 100644 --- a/llvm/lib/CodeGen/MachineCSE.cpp +++ b/llvm/lib/CodeGen/MachineCSE.cpp @@ -101,7 +101,7 @@ bool MachineCSE::PerformTrivialCoalescing(MachineInstr *MI, unsigned Reg = MO.getReg(); if (!Reg || TargetRegisterInfo::isPhysicalRegister(Reg)) continue; - if (!MRI->hasOneUse(Reg)) + if (!MRI->hasOneNonDBGUse(Reg)) // Only coalesce single use copies. This ensure the copy will be // deleted. continue; |
