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Re-enable this code, since redundant PHIs are now being better nuked.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87042 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2009-11-12 23:22:41 +00:00
parent ecc260e403
commit 98538b4bea
1 changed files with 0 additions and 4 deletions
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4
lib/Transforms/Scalar/SCCVN.cpp
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@ -629,9 +629,6 @@ bool SCCVN::runOnFunction(Function& F) {
}
}
// FIXME: This code is commented out for now, because it can lead to the
// insertion of a lot of redundant PHIs being inserted by SSAUpdater.
#if 0
// Perform a forward data-flow to compute availability at all points on
// the CFG.
do {
@ -709,7 +706,6 @@ bool SCCVN::runOnFunction(Function& F) {
CurInst->eraseFromParent();
}
}
#endif
VT.clear();
for (DenseMap<BasicBlock*, ValueNumberScope*>::iterator