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| author | Evan Cheng <evan.cheng@apple.com> | 2010-01-14 02:24:50 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-01-14 02:24:50 +0000 |
| commit | e8f422b9f39af1d2c141c101f8ca95409d708814 (patch) | |
| tree | a42af0491e218f870388ea8755bc32318b16ff63 | |
| parent | b2eb48180af40725b85c673cbdaeefec98894c16 (diff) | |
Test for r93409.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93410 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/FrontendC/2010-01-13-MemBarrier.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/FrontendC/2010-01-13-MemBarrier.c b/test/FrontendC/2010-01-13-MemBarrier.c new file mode 100644 index 0000000000..53d0081f78 --- /dev/null +++ b/test/FrontendC/2010-01-13-MemBarrier.c @@ -0,0 +1,11 @@ +// RUN: %llvmgcc %s -S -emit-llvm -o - | FileCheck %s +// XFAIL: sparc,powerpc +// rdar://7536390 + +unsigned t(unsigned *ptr, unsigned val) { + // CHECK: @t + // CHECK: call void @llvm.memory.barrier + // CHECK-NEXT: call i32 @llvm.atomic.swap.i32 + // CHECK-NEXT: call void @llvm.memory.barrier + return __sync_lock_test_and_set(ptr, val); +} |