12 lines
420 B
LLVM
12 lines
420 B
LLVM
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; RUN: opt -S %s -atomic-expand -mtriple=i686-linux-gnu | FileCheck %s
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; This file tests the function `llvm::expandAtomicRMWToCmpXchg`.
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; It isn't technically target specific, but is exposed through a pass that is.
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define i8 @test_initial_load(ptr %ptr, i8 %value) {
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%res = atomicrmw nand ptr %ptr, i8 %value seq_cst
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ret i8 %res
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}
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; CHECK-LABEL: @test_initial_load
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; CHECK-NEXT: %1 = load i8, ptr %ptr, align 1
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