29 lines
660 B
LLVM
29 lines
660 B
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; CHECK-LABEL: danny
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; CHECK: memw_locked
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define i8 @danny(i8* %a0) unnamed_addr #0 {
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start:
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%v0 = cmpxchg i8* %a0, i8 0, i8 1 seq_cst seq_cst
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%v1 = extractvalue { i8, i1 } %v0, 0
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ret i8 %v1
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}
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; CHECK-LABEL: sammy
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; CHECK: memw_locked
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define i16 @sammy(i16* %a0) unnamed_addr #0 {
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start:
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%v0 = cmpxchg i16* %a0, i16 0, i16 1 seq_cst seq_cst
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%v1 = extractvalue { i16, i1 } %v0, 0
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ret i16 %v1
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}
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; CHECK-LABEL: kirby
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; CHECK: memw_locked
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define i32 @kirby(i32* %a0) unnamed_addr #0 {
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start:
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%v0 = cmpxchg i32* %a0, i32 0, i32 1 seq_cst seq_cst
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%v1 = extractvalue { i32, i1 } %v0, 0
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ret i32 %v1
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}
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