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authorJakob Stoklund Olesen <stoklund@2pi.dk>2011-01-20 02:43:19 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2011-01-20 02:43:19 +0000
commitb7683c06cb4ec7554d68704e2ca74ad75415a1d5 (patch)
tree559da20d80e204b93b15d12c1717c422b80218ab /lib/CodeGen/ShrinkWrapping.cpp
parente3385811aaf1e7ff548c1f1edc6a85d034909a5c (diff)
Fix bug found by new clang warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123872 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ShrinkWrapping.cpp')
-rw-r--r--lib/CodeGen/ShrinkWrapping.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/ShrinkWrapping.cpp b/lib/CodeGen/ShrinkWrapping.cpp
index aeaa38b564..7b5bca4952 100644
--- a/lib/CodeGen/ShrinkWrapping.cpp
+++ b/lib/CodeGen/ShrinkWrapping.cpp
@@ -226,7 +226,7 @@ bool PEI::calcAnticInOut(MachineBasicBlock* MBB) {
// AnticIn[MBB] = UNION(CSRUsed[MBB], AnticOut[MBB]);
CSRegSet prevAnticIn = AnticIn[MBB];
AnticIn[MBB] = CSRUsed[MBB] | AnticOut[MBB];
- if (prevAnticIn |= AnticIn[MBB])
+ if (prevAnticIn != AnticIn[MBB])
changed = true;
return changed;
}
@@ -264,7 +264,7 @@ bool PEI::calcAvailInOut(MachineBasicBlock* MBB) {
// AvailOut[MBB] = UNION(CSRUsed[MBB], AvailIn[MBB]);
CSRegSet prevAvailOut = AvailOut[MBB];
AvailOut[MBB] = CSRUsed[MBB] | AvailIn[MBB];
- if (prevAvailOut |= AvailOut[MBB])
+ if (prevAvailOut != AvailOut[MBB])
changed = true;
return changed;
}