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| author | Tim Northover <tnorthover@apple.com> | 2014-06-13 14:54:09 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2014-06-13 14:54:09 +0000 |
| commit | e1a9d504a3fd8e2544b352224bc719d52c070ceb (patch) | |
| tree | b246b3e99d1ff43e11de65d86453b56d06c42024 /test | |
| parent | 636ae2b660ecc6043ebefa6ce21d99520c088f8f (diff) | |
| download | llvm-e1a9d504a3fd8e2544b352224bc719d52c070ceb.tar.gz llvm-e1a9d504a3fd8e2544b352224bc719d52c070ceb.tar.bz2 llvm-e1a9d504a3fd8e2544b352224bc719d52c070ceb.tar.xz | |
SCCP: update for cmpxchg returning { iN, i1 } now.
I accidentally missed this one since its use looked OK locally.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210909 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/SCCP/atomic.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Transforms/SCCP/atomic.ll b/test/Transforms/SCCP/atomic.ll new file mode 100644 index 0000000000..60d4896ec2 --- /dev/null +++ b/test/Transforms/SCCP/atomic.ll @@ -0,0 +1,9 @@ +; RUN: opt < %s -sccp -S | FileCheck %s + +define i1 @test_cmpxchg(i32* %addr, i32 %desired, i32 %new) { +; CHECK-LABEL: @test_cmpxchg +; CHECK: cmpxchg i32* %addr, i32 %desired, i32 %new seq_cst seq_cst + %val = cmpxchg i32* %addr, i32 %desired, i32 %new seq_cst seq_cst + %res = extractvalue { i32, i1 } %val, 1 + ret i1 %res +} |