Changes in directory llvm/lib/VMCore:
BasicBlock.cpp updated: 1.70 -> 1.71
---
Log message:
When asked not to delete useless PHIs, really don't delete them, no matter how
redundant they are.
---
Diffs of the changes: (+2 -1)
BasicBlock.cpp | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
Index: llvm/lib/VMCore/BasicBlock.cpp
diff -u llvm/lib/VMCore/BasicBlock.cpp:1.70 llvm/lib/VMCore/BasicBlock.cpp:1.71
--- llvm/lib/VMCore/BasicBlock.cpp:1.70 Thu Jun 8 11:03:13 2006
+++ llvm/lib/VMCore/BasicBlock.cpp Tue Jun 13 23:43:14 2006
@@ -213,7 +213,8 @@
PN->removeIncomingValue(Pred, false);
// If all incoming values to the Phi are the same, we can replace the Phi
// with that value.
- if (Value *PNV = PN->hasConstantValue()) {
+ Value* PNV = 0;
+ if (!DontDeleteUselessPHIs && (PNV = PN->hasConstantValue())) {
PN->replaceAllUsesWith(PNV);
PN->eraseFromParent();
}
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