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| author | Jush Lu <jush.msn@gmail.com> | 2011-03-09 19:39:16 +0800 |
|---|---|---|
| committer | Jush Lu <jush.msn@gmail.com> | 2011-03-09 19:39:16 +0800 |
| commit | b5530586d68bd25831a6796b5d3199cb0769a35c (patch) | |
| tree | fac4a03b53b6a64b0c00f433e4d8b3c9f2bc67cd /lib/CodeGen/ShrinkWrapping.cpp | |
| parent | b4e17c5bf4361bbdeced39aa071150d7fa9c3c10 (diff) | |
| parent | d01f50f42ce60207ed6d27fb1778e456d83be06c (diff) | |
| download | external_llvm-b5530586d68bd25831a6796b5d3199cb0769a35c.zip external_llvm-b5530586d68bd25831a6796b5d3199cb0769a35c.tar.gz external_llvm-b5530586d68bd25831a6796b5d3199cb0769a35c.tar.bz2 | |
Merge upstream r127116
Diffstat (limited to 'lib/CodeGen/ShrinkWrapping.cpp')
| -rw-r--r-- | lib/CodeGen/ShrinkWrapping.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/ShrinkWrapping.cpp b/lib/CodeGen/ShrinkWrapping.cpp index aeaa38b..7b5bca4 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; } |