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authorDimitry Andric <dim@FreeBSD.org>2011-02-20 12:57:14 +0000
committerDimitry Andric <dim@FreeBSD.org>2011-02-20 12:57:14 +0000
commitcf099d11218cb6f6c5cce947d6738e347f07fb12 (patch)
treed2b61ce94e654cb01a254d2195259db5f9cc3f3c /lib/CodeGen/ShrinkWrapping.cpp
parent49011b52fcba02a6051957b84705159f52fae4e4 (diff)
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 aeaa38b56433..7b5bca495206 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;
}