derek.holloway
7502bf64a4
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88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
// RUN: %clang_cc1 -triple i386-pc-win32 -fms-extensions -emit-llvm -fms-volatile -o - < %s | FileCheck %s
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struct foo {
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volatile int x;
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};
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struct bar {
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int x;
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};
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typedef _Complex float __declspec(align(8)) baz;
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#pragma pack(push)
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#pragma pack(1)
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struct qux {
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volatile int f;
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};
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#pragma pack(pop)
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void test1(struct foo *p, struct foo *q) {
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*p = *q;
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// CHECK-LABEL: @test1
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// CHECK: load atomic volatile {{.*}} acquire, align 4
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// CHECK: store atomic volatile {{.*}}, {{.*}} release, align 4
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}
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void test2(volatile int *p, volatile int *q) {
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*p = *q;
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// CHECK-LABEL: @test2
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// CHECK: load atomic volatile {{.*}} acquire, align 4
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// CHECK: store atomic volatile {{.*}}, {{.*}} release, align 4
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}
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void test3(struct foo *p, struct foo *q) {
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p->x = q->x;
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// CHECK-LABEL: @test3
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// CHECK: load atomic volatile {{.*}} acquire, align 4
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// CHECK: store atomic volatile {{.*}}, {{.*}} release, align 4
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}
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void test4(volatile struct foo *p, volatile struct foo *q) {
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p->x = q->x;
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// CHECK-LABEL: @test4
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// CHECK: load atomic volatile {{.*}} acquire, align 4
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// CHECK: store atomic volatile {{.*}}, {{.*}} release, align 4
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}
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void test5(volatile struct foo *p, volatile struct foo *q) {
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*p = *q;
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// CHECK-LABEL: @test5
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// CHECK: load atomic volatile {{.*}} acquire, align 4
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// CHECK: store atomic volatile {{.*}}, {{.*}} release, align 4
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}
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void test6(struct bar *p, struct bar *q) {
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*p = *q;
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// CHECK-LABEL: @test6
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// CHECK-NOT: load atomic volatile {{.*}}
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// CHECK-NOT: store atomic volatile {{.*}}, {{.*}}
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}
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void test7(volatile struct bar *p, volatile struct bar *q) {
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*p = *q;
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// CHECK-LABEL: @test7
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// CHECK: load atomic volatile {{.*}} acquire, align 4
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// CHECK: store atomic volatile {{.*}}, {{.*}} release, align 4
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}
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void test8(volatile double *p, volatile double *q) {
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*p = *q;
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// CHECK-LABEL: @test8
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// CHECK: load volatile {{.*}}, align 8
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// CHECK: store volatile {{.*}}, {{.*}}, align 8
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}
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void test9(volatile baz *p, baz *q) {
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*p = *q;
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// CHECK-LABEL: @test9
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// CHECK: store volatile {{.*}}, {{.*}}, align 8
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// CHECK: store volatile {{.*}}, {{.*}}, align 4
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}
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void test10(volatile long long *p, volatile long long *q) {
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*p = *q;
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// CHECK-LABEL: @test10
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// CHECK: load volatile {{.*}}, align 8
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// CHECK: store volatile {{.*}}, {{.*}}, align 8
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}
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void test11(volatile float *p, volatile float *q) {
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*p = *q;
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// CHECK-LABEL: @test11
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// CHECK: load atomic volatile {{.*}} acquire, align 4
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// CHECK: store atomic volatile {{.*}}, {{.*}} release, align 4
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}
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int test12(struct qux *p) {
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return p->f;
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// CHECK-LABEL: @test12
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// CHECK: load volatile {{.*}}, align 1
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}
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