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authorLogan Chien <loganchien@google.com>2011-10-20 00:08:13 +0800
committerLogan Chien <loganchien@google.com>2011-10-20 00:09:35 +0800
commit0ebc07a576037e4e36f68bf5cece32740ca120c0 (patch)
treec2e40648043d01498ee25af839a071193561e425 /lib/Transforms/Scalar/JumpThreading.cpp
parent62383e889e0b06fd12a6b88311717cd33a1925c4 (diff)
parentcdd8e46bec4e975d00a5abea808d8eb4138515c5 (diff)
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Merge with LLVM upstream 2011/10/20 (r142530)
Conflicts: lib/Support/Unix/Host.inc Change-Id: Idc00db3b63912dca6348bddd9f8a1af2a8d5d147
Diffstat (limited to 'lib/Transforms/Scalar/JumpThreading.cpp')
-rw-r--r--lib/Transforms/Scalar/JumpThreading.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/JumpThreading.cpp b/lib/Transforms/Scalar/JumpThreading.cpp
index b500d5b..f410af3 100644
--- a/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/lib/Transforms/Scalar/JumpThreading.cpp
@@ -811,8 +811,8 @@ bool JumpThreading::ProcessBlock(BasicBlock *BB) {
/// important optimization that encourages jump threading, and needs to be run
/// interlaced with other jump threading tasks.
bool JumpThreading::SimplifyPartiallyRedundantLoad(LoadInst *LI) {
- // Don't hack volatile loads.
- if (LI->isVolatile()) return false;
+ // Don't hack volatile/atomic loads.
+ if (!LI->isSimple()) return false;
// If the load is defined in a block with exactly one predecessor, it can't be
// partially redundant.