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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-27 21:11:14 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-27 21:11:14 +0000 |
| commit | b18d779b35909cd5b753871f8bf2ff4f6c17ace1 (patch) | |
| tree | 85a03c2c0004297bbff4f7632346c67b04d7805c /lib/CodeGen/SplitKit.cpp | |
| parent | 3dfa38a5bf431ec78272bb06c47d7c28616d276a (diff) | |
| download | llvm-b18d779b35909cd5b753871f8bf2ff4f6c17ace1.tar.gz llvm-b18d779b35909cd5b753871f8bf2ff4f6c17ace1.tar.bz2 llvm-b18d779b35909cd5b753871f8bf2ff4f6c17ace1.tar.xz | |
Eliminate the IS_PHI_DEF flag and VNInfo::setIsPHIDef().
A value number is a PHI def if and only if it begins at a block
boundary. This can be derived from the def slot, a separate flag is not
necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160893 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SplitKit.cpp')
| -rw-r--r-- | lib/CodeGen/SplitKit.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp index 9a751c13b5..98ed2cf12f 100644 --- a/lib/CodeGen/SplitKit.cpp +++ b/lib/CodeGen/SplitKit.cpp @@ -1047,8 +1047,7 @@ void SplitEditor::finish(SmallVectorImpl<unsigned> *LRMap) { if (ParentVNI->isUnused()) continue; unsigned RegIdx = RegAssign.lookup(ParentVNI->def); - VNInfo *VNI = defValue(RegIdx, ParentVNI, ParentVNI->def); - VNI->setIsPHIDef(ParentVNI->isPHIDef()); + defValue(RegIdx, ParentVNI, ParentVNI->def); // Force rematted values to be recomputed everywhere. // The new live ranges may be truncated. |