Changes in directory llvm/lib/Transforms/Scalar:
CodeGenPrepare.cpp updated: 1.10 -> 1.11
---
Log message:
Don't generate branch to entry block.
---
Diffs of the changes: (+3 -1)
CodeGenPrepare.cpp | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
Index: llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
diff -u llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp:1.10
llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp:1.11
--- llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp:1.10 Sun May 6 08:37:16 2007
+++ llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp Mon May 7 20:01:04 2007
@@ -280,7 +280,9 @@
BranchInst *PredBr = dyn_cast<BranchInst>(Pred->getTerminator());
if (!PredBr || !PredBr->isUnconditional() ||
// Must be empty other than the branch.
- &Pred->front() != PredBr)
+ &Pred->front() != PredBr ||
+ // Cannot be the entry block; its label does not get emitted.
+ Pred == &(Dest->getParent()->getEntryBlock()))
continue;
// Finally, since we know that Dest has phi nodes in it, we have to make
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