Changes in directory llvm/lib/Transforms/Scalar:
LoopUnroll.cpp updated: 1.22 -> 1.23
---
Log message:
Minor comment tweaks
---
Diffs of the changes: (+5 -6)
LoopUnroll.cpp | 11 +++++------
1 files changed, 5 insertions(+), 6 deletions(-)
Index: llvm/lib/Transforms/Scalar/LoopUnroll.cpp
diff -u llvm/lib/Transforms/Scalar/LoopUnroll.cpp:1.22
llvm/lib/Transforms/Scalar/LoopUnroll.cpp:1.23
--- llvm/lib/Transforms/Scalar/LoopUnroll.cpp:1.22 Wed Jul 19 00:48:45 2006
+++ llvm/lib/Transforms/Scalar/LoopUnroll.cpp Thu Jul 20 14:06:16 2006
@@ -266,18 +266,17 @@
else
delete LI->removeLoop(std::find(LI->begin(), LI->end(), L));
-
- // FIXME: Should update dominator analyses
-
- // Remove LCSSA Phis from the exit block
+ // Remove single-entry Phis from the exit block.
for (BasicBlock::iterator ExitInstr = LoopExit->begin();
PHINode* PN = dyn_cast<PHINode>(ExitInstr); ++ExitInstr) {
assert(PN->getNumIncomingValues() == 1
- && "Block should only have one pred, so Phi's must be LCSSA");
+ && "Block should only have one pred, so Phi's must be single
entry");
PN->replaceAllUsesWith(PN->getOperand(0));
PN->eraseFromParent();
}
-
+
+ // FIXME: Should update dominator analyses
+
// Now that everything is up-to-date that will be, we fold the loop block
into
// the preheader and exit block, updating our analyses as we go.
LoopExit->getInstList().splice(LoopExit->begin(), BB->getInstList(),
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