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-rw-r--r--lib/Transforms/Utils/Local.cpp17
-rw-r--r--lib/Transforms/Utils/SimplifyCFG.cpp14
2 files changed, 17 insertions, 14 deletions
diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp
index c22485342e..aa6efe80b3 100644
--- a/lib/Transforms/Utils/Local.cpp
+++ b/lib/Transforms/Utils/Local.cpp
@@ -148,6 +148,23 @@ bool llvm::ConstantFoldTerminator(BasicBlock *BB) {
return false;
}
+//===----------------------------------------------------------------------===//
+// CFG Simplification
+//
+
+/// isTerminatorFirstRelevantInsn - Return true if Term is very first
+/// instruction ignoring Phi nodes and dbg intrinsics.
+bool llvm::isTerminatorFirstRelevantInsn(BasicBlock *BB, Instruction *Term) {
+ BasicBlock::iterator BBI = Term;
+ while (BBI != BB->begin()) {
+ --BBI;
+ if (!isa<DbgInfoIntrinsic>(BBI))
+ break;
+ }
+ if (isa<PHINode>(BBI) || &*BBI == Term)
+ return true;
+ return false;
+}
//===----------------------------------------------------------------------===//
// Local dead code elimination...
diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index d9c4b69e6d..0248d3d0ca 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -1330,20 +1330,6 @@ static bool FoldTwoEntryPHINode(PHINode *PN) {
return true;
}
-/// isTerminatorFirstRelevantInsn - Return true if Term is very first
-/// instruction ignoring Phi nodes and dbg intrinsics.
-static bool isTerminatorFirstRelevantInsn(BasicBlock *BB, Instruction *Term) {
- BasicBlock::iterator BBI = Term;
- while (BBI != BB->begin()) {
- --BBI;
- if (!isa<DbgInfoIntrinsic>(BBI))
- break;
- }
- if (isa<PHINode>(BBI) || &*BBI == Term)
- return true;
- return false;
-}
-
/// SimplifyCondBranchToTwoReturns - If we found a conditional branch that goes
/// to two returning blocks, try to merge them together into one return,
/// introducing a select if the return values disagree.