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authorChris Lattner <sabre@nondot.org>2010-08-29 05:12:21 +0000
committerChris Lattner <sabre@nondot.org>2010-08-29 05:12:21 +0000
commit63a75c13b110b89435ee5e30f1ce9ed57019ac5a (patch)
tree04bbf6f28060bb1b987eacdd300579d837b7dae0
parent5033f64694cbb2bc8fcdebb43bc6ab40bcacda4d (diff)
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use getUniqueExitBlocks instead of a manual set.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112412 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Transforms/Scalar/LICM.cpp12
1 files changed, 2 insertions, 10 deletions
diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp
index 639e958..a1868af 100644
--- a/lib/Transforms/Scalar/LICM.cpp
+++ b/lib/Transforms/Scalar/LICM.cpp
@@ -707,18 +707,10 @@ void LICM::PromoteValuesInLoop() {
// Now that the body of the loop uses the allocas instead of the original
// memory locations, insert code to copy the alloca value back into the
- // original memory location on all exits from the loop. Note that we only
- // want to insert one copy of the code in each exit block, though the loop may
- // exit to the same block more than once.
- //
- SmallPtrSet<BasicBlock*, 16> ProcessedBlocks;
-
+ // original memory location on all exits from the loop.
SmallVector<BasicBlock*, 8> ExitBlocks;
- CurLoop->getExitBlocks(ExitBlocks);
+ CurLoop->getUniqueExitBlocks(ExitBlocks);
for (unsigned i = 0, e = ExitBlocks.size(); i != e; ++i) {
- if (!ProcessedBlocks.insert(ExitBlocks[i]))
- continue;
-
// Copy all of the allocas into their memory locations.
BasicBlock::iterator BI = ExitBlocks[i]->getFirstNonPHI();
Instruction *InsertPos = BI;