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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/LiveIntervalAnalysis.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/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index bc0ec157f6..c58b8d778c 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -290,7 +290,6 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, assert(getInstructionFromIndex(Start) == 0 && "PHI def index points at actual instruction."); ValNo = interval.getNextValue(Start, VNInfoAllocator); - ValNo->setIsPHIDef(true); } LiveRange LR(Start, killIdx, ValNo); interval.addRange(LR); |