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16 lines
513 B
16 lines
513 B
; RUN: opt -mtriple=amdgcn-- -analyze -divergence %s | FileCheck %s
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; CHECK: DIVERGENT: %orig = atomicrmw xchg i32* %ptr, i32 %val seq_cst
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define i32 @test1(i32* %ptr, i32 %val) #0 {
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%orig = atomicrmw xchg i32* %ptr, i32 %val seq_cst
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ret i32 %orig
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}
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; CHECK: DIVERGENT: %orig = cmpxchg i32* %ptr, i32 %cmp, i32 %new seq_cst seq_cst
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define {i32, i1} @test2(i32* %ptr, i32 %cmp, i32 %new) {
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%orig = cmpxchg i32* %ptr, i32 %cmp, i32 %new seq_cst seq_cst
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ret {i32, i1} %orig
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}
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attributes #0 = { nounwind }
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