24 lines
962 B
C
24 lines
962 B
C
// RUN: %clang_cc1 -triple x86_64-linux-gnu -fms-extensions %s -emit-llvm -o - | FileCheck %s
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long test1(long *p) {
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return _InterlockedIncrement(p);
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}
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// CHECK-DAG: define i64 @test1(
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// CHECK: %[[p_addr:.*]] = alloca i64*, align 8
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// CHECK: store i64* %p, i64** %[[p_addr]], align 8
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// CHECK: %[[p_load:.*]] = load i64*, i64** %[[p_addr]], align 8
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// CHECK: %[[atomic_add:.*]] = atomicrmw volatile add i64* %[[p_load]], i64 1 seq_cst
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// CHECK: %[[res:.*]] = add i64 %[[atomic_add]], 1
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// CHECK: ret i64 %[[res]]
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long test2(long *p) {
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return _InterlockedDecrement(p);
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}
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// CHECK-DAG: define i64 @test2(
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// CHECK: %[[p_addr:.*]] = alloca i64*, align 8
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// CHECK: store i64* %p, i64** %[[p_addr]], align 8
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// CHECK: %[[p_load:.*]] = load i64*, i64** %[[p_addr]], align 8
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// CHECK: %[[atomic_sub:.*]] = atomicrmw volatile sub i64* %[[p_load]], i64 1 seq_cst
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// CHECK: %[[res:.*]] = sub i64 %[[atomic_sub]], 1
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// CHECK: ret i64 %[[res]]
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