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authorChris Lattner <sabre@nondot.org>2006-02-18 01:32:04 +0000
committerChris Lattner <sabre@nondot.org>2006-02-18 01:32:04 +0000
commitcaf489353605905fce38b7033987010bad910b57 (patch)
tree34f128979d7a4c20475f9b7ae4df669215519e9b /lib/Transforms/Scalar/LoopUnswitch.cpp
parentf4412d890dd20af78120a793c973f319e4b506ea (diff)
a previous patch completely disabled trivial unswitching, this fixees it.
Thanks to nate for pointing this out :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26280 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopUnswitch.cpp')
-rw-r--r--lib/Transforms/Scalar/LoopUnswitch.cpp1
1 files changed, 0 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp
index 25c16199b5..8713631c34 100644
--- a/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -168,7 +168,6 @@ static bool isTrivialLoopExitBlockHelper(Loop *L, BasicBlock *BB,
static BasicBlock *isTrivialLoopExitBlock(Loop *L, BasicBlock *BB) {
std::set<BasicBlock*> Visited;
Visited.insert(L->getHeader()); // Branches to header are ok.
- Visited.insert(BB); // Don't revisit BB after we do.
BasicBlock *ExitBB = 0;
if (isTrivialLoopExitBlockHelper(L, BB, ExitBB, Visited))
return ExitBB;