Changes in directory llvm/lib/Analysis:
LoopInfo.cpp updated: 1.73 -> 1.74
---
Log message:
Update isLCSSAForm to handle PHI nodes specially for live-out detection. This
is the same as the recent patch to LCSSA.cpp.
---
Diffs of the changes: (+6 -1)
LoopInfo.cpp | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletion(-)
Index: llvm/lib/Analysis/LoopInfo.cpp
diff -u llvm/lib/Analysis/LoopInfo.cpp:1.73 llvm/lib/Analysis/LoopInfo.cpp:1.74
--- llvm/lib/Analysis/LoopInfo.cpp:1.73 Sun Jun 11 14:22:28 2006
+++ llvm/lib/Analysis/LoopInfo.cpp Tue Jun 13 15:45:22 2006
@@ -487,7 +487,12 @@
for (Value::use_iterator UI = I->use_begin(), E = I->use_end(); UI != E;
++UI) {
BasicBlock *UserBB = cast<Instruction>(*UI)->getParent();
- if (!isa<PHINode>(*UI) && !contains(UserBB)) {
+ if (PHINode* p = dyn_cast<PHINode>(*UI)) {
+ unsigned OperandNo = UI.getOperandNo();
+ UserBB = p->getIncomingBlock(OperandNo/2);
+ }
+
+ if (!contains(UserBB)) {
return false;
}
}
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