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-rw-r--r--test/Analysis/DivergenceAnalysis/AMDGPU/atomics.ll15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Analysis/DivergenceAnalysis/AMDGPU/atomics.ll b/test/Analysis/DivergenceAnalysis/AMDGPU/atomics.ll
new file mode 100644
index 000000000000..e3323dc5e21c
--- /dev/null
+++ b/test/Analysis/DivergenceAnalysis/AMDGPU/atomics.ll
@@ -0,0 +1,15 @@
+; RUN: opt -mtriple=amdgcn-- -analyze -divergence %s | FileCheck %s
+
+; CHECK: DIVERGENT: %orig = atomicrmw xchg i32* %ptr, i32 %val seq_cst
+define i32 @test1(i32* %ptr, i32 %val) #0 {
+ %orig = atomicrmw xchg i32* %ptr, i32 %val seq_cst
+ ret i32 %orig
+}
+
+; CHECK: DIVERGENT: %orig = cmpxchg i32* %ptr, i32 %cmp, i32 %new seq_cst seq_cst
+define {i32, i1} @test2(i32* %ptr, i32 %cmp, i32 %new) {
+ %orig = cmpxchg i32* %ptr, i32 %cmp, i32 %new seq_cst seq_cst
+ ret {i32, i1} %orig
+}
+
+attributes #0 = { nounwind }