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authorChris Lattner <sabre@nondot.org>2008-02-14 07:39:01 +0000
committerChris Lattner <sabre@nondot.org>2008-02-14 07:39:01 +0000
commit13daadbd256cc69cb80426f102d3637e17541e75 (patch)
tree7689d70b16e5397986ec599d9a3fd65203fe351e
parent0fec975a183002d9bf59a4c224c048ef9dfd0ba2 (diff)
downloadexternal_llvm-13daadbd256cc69cb80426f102d3637e17541e75.tar.gz
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simplify code, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47116 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Transforms/Scalar/SimplifyCFG.cpp16
1 files changed, 9 insertions, 7 deletions
diff --git a/lib/Transforms/Scalar/SimplifyCFG.cpp b/lib/Transforms/Scalar/SimplifyCFG.cpp
index 3d1a5bea97..5cb2b4086b 100644
--- a/lib/Transforms/Scalar/SimplifyCFG.cpp
+++ b/lib/Transforms/Scalar/SimplifyCFG.cpp
@@ -162,13 +162,15 @@ static bool RemoveUnreachableBlocks(Function &F) {
// Loop over all of the basic blocks that are not reachable, dropping all of
// their internal references...
- for (Function::iterator BB = ++F.begin(), E = F.end(); BB != E; ++BB)
- if (!Reachable.count(BB)) {
- for (succ_iterator SI = succ_begin(BB), SE = succ_end(BB); SI!=SE; ++SI)
- if (Reachable.count(*SI))
- (*SI)->removePredecessor(BB);
- BB->dropAllReferences();
- }
+ for (Function::iterator BB = ++F.begin(), E = F.end(); BB != E; ++BB) {
+ if (Reachable.count(BB))
+ continue;
+
+ for (succ_iterator SI = succ_begin(BB), SE = succ_end(BB); SI != SE; ++SI)
+ if (Reachable.count(*SI))
+ (*SI)->removePredecessor(BB);
+ BB->dropAllReferences();
+ }
for (Function::iterator I = ++F.begin(); I != F.end();)
if (!Reachable.count(I))