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Fix a verifier bug.

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Make sure useless (def-only) intervals also get verified.

llvm-svn: 157000
This commit is contained in:
Jakob Stoklund Olesen 2012-05-17 18:32:40 +00:00
parent ab2fc29c78
commit 0069dd0862
1 changed files with 1 additions and 1 deletions
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lib/CodeGen/MachineVerifier.cpp
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@ -1076,7 +1076,7 @@ void MachineVerifier::verifyLiveIntervals() {
const LiveInterval &LI = *LVI->second;
// Spilling and splitting may leave unused registers around. Skip them.
if (MRI->use_empty(LI.reg))
if (MRI->reg_nodbg_empty(LI.reg))
continue;
// Physical registers have much weirdness going on, mostly from coalescing.