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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-04-15 20:28:39 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-04-15 20:28:39 +0000 |
| commit | 0557b4be5f010f72d5320c702b076bd346a62adc (patch) | |
| tree | 87b36e637cdf40eacccb039a90ff537fb05a63c4 /lib | |
| parent | e6a7015ae97dd479c112bb8d55192975a02e3224 (diff) | |
| download | external_llvm-0557b4be5f010f72d5320c702b076bd346a62adc.zip external_llvm-0557b4be5f010f72d5320c702b076bd346a62adc.tar.gz external_llvm-0557b4be5f010f72d5320c702b076bd346a62adc.tar.bz2 | |
Fix PR6847. RegScavenger should ignore DebugValues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101392 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/RegisterScavenging.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/RegisterScavenging.cpp b/lib/CodeGen/RegisterScavenging.cpp index d34b701..179984f 100644 --- a/lib/CodeGen/RegisterScavenging.cpp +++ b/lib/CodeGen/RegisterScavenging.cpp @@ -136,6 +136,9 @@ void RegScavenger::forward() { ScavengeRestore = NULL; } + if (MI->isDebugValue()) + return; + // Find out which registers are early clobbered, killed, defined, and marked // def-dead in this instruction. BitVector EarlyClobberRegs(NumPhysRegs); |