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| author | Owen Anderson <resistor@mac.com> | 2008-08-05 22:24:40 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2008-08-05 22:24:40 +0000 |
| commit | 0e67df6283f6fd31c13d09a94a84a7afbc27ba0e (patch) | |
| tree | 72e69f3cea771809d0bf5f458f36976c190a8e40 /lib/CodeGen/UnreachableBlockElim.cpp | |
| parent | bb8d6f2cbbc0587a026459c2480c317d06d35414 (diff) | |
| download | external_llvm-0e67df6283f6fd31c13d09a94a84a7afbc27ba0e.zip external_llvm-0e67df6283f6fd31c13d09a94a84a7afbc27ba0e.tar.gz external_llvm-0e67df6283f6fd31c13d09a94a84a7afbc27ba0e.tar.bz2 | |
Fix breakage on ARM/2008-04-10-ScavengerAssert.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54378 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/UnreachableBlockElim.cpp')
| -rw-r--r-- | lib/CodeGen/UnreachableBlockElim.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/UnreachableBlockElim.cpp b/lib/CodeGen/UnreachableBlockElim.cpp index ca682fd..f1e3aab 100644 --- a/lib/CodeGen/UnreachableBlockElim.cpp +++ b/lib/CodeGen/UnreachableBlockElim.cpp @@ -137,7 +137,8 @@ bool UnreachableMachineBlockElim::runOnMachineFunction(MachineFunction &F) { start++; phi->eraseFromParent(); - F.getRegInfo().replaceRegWith(Output, Input); + if (Input != Output) + F.getRegInfo().replaceRegWith(Output, Input); } else start++; } |