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authorOwen Anderson <resistor@mac.com>2008-08-05 22:24:40 +0000
committerOwen Anderson <resistor@mac.com>2008-08-05 22:24:40 +0000
commit3d4c06dd54e42b9119fdb97e5d2ffcc31a0d5f33 (patch)
treef850470595dac1963907191e493911b4da22aa16
parent3dfa168d22162851a8445d589e51608e06ee32b0 (diff)
downloadbcm5719-llvm-3d4c06dd54e42b9119fdb97e5d2ffcc31a0d5f33.tar.gz
bcm5719-llvm-3d4c06dd54e42b9119fdb97e5d2ffcc31a0d5f33.zip
Fix breakage on ARM/2008-04-10-ScavengerAssert.ll.
llvm-svn: 54378
-rw-r--r--llvm/lib/CodeGen/UnreachableBlockElim.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/UnreachableBlockElim.cpp b/llvm/lib/CodeGen/UnreachableBlockElim.cpp
index ca682fd65a0..f1e3aabaebe 100644
--- a/llvm/lib/CodeGen/UnreachableBlockElim.cpp
+++ b/llvm/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++;
}
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