Changes in directory llvm/lib/CodeGen:
BranchFolding.cpp updated: 1.57 -> 1.58
---
Log message:
Blocks that cond-br and uncond-br/fallthrough to same block should have
only one successor.
---
Diffs of the changes: (+4 -1)
BranchFolding.cpp | 5 ++++-
1 files changed, 4 insertions(+), 1 deletion(-)
Index: llvm/lib/CodeGen/BranchFolding.cpp
diff -u llvm/lib/CodeGen/BranchFolding.cpp:1.57
llvm/lib/CodeGen/BranchFolding.cpp:1.58
--- llvm/lib/CodeGen/BranchFolding.cpp:1.57 Thu May 24 12:39:32 2007
+++ llvm/lib/CodeGen/BranchFolding.cpp Thu May 24 13:31:55 2007
@@ -672,7 +672,10 @@
MachineBasicBlock::pred_iterator SI = MBB.succ_begin();
while (SI != MBB.succ_end()) {
- if (*SI == DestA) {
+ if (*SI == DestA && DestA == DestB) {
+ DestA = DestB = 0;
+ ++SI;
+ } else if (*SI == DestA) {
DestA = 0;
++SI;
} else if (*SI == DestB) {
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