forked from OSchip/llvm-project
34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
// RUN: %clang_cc1 -triple armv7-apple-darwin -emit-llvm %s -o - | FileCheck %s
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// CHECK: call i32 asm "foo0", {{.*}} [[READNONE:#[0-9]+]]
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// CHECK: call i32 asm "foo1", {{.*}} [[READNONE]]
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// CHECK: call i32 asm "foo2", {{.*}} [[NOATTRS:#[0-9]+]]
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// CHECK: call i32 asm sideeffect "foo3", {{.*}} [[NOATTRS]]
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// CHECK: call i32 asm "foo4", {{.*}} [[READONLY:#[0-9]+]]
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// CHECK: call i32 asm "foo5", {{.*}} [[READONLY]]
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// CHECK: call i32 asm "foo6", {{.*}} [[NOATTRS]]
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// CHECK: call void asm sideeffect "foo7", {{.*}} [[NOATTRS]]
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// CHECK: call i32 asm "foo8", {{.*}} [[READNONE]]
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// CHECK: attributes [[READNONE]] = { nounwind readnone }
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// CHECK: attributes [[NOATTRS]] = { nounwind }
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// CHECK: attributes [[READONLY]] = { nounwind readonly }
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int g0, g1;
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struct S {
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int i;
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} g2;
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void test_attrs(int a) {
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__asm__ ("foo0" : "=r"(g1) : "r"(a));
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__asm__ ("foo1" : "=r"(g1) : "r"(a) : "cc");
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__asm__ ("foo2" : "=r"(g1) : "r"(a) : "memory");
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__asm__ volatile("foo3" : "=r"(g1) : "r"(a));
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__asm__ ("foo4" : "=r"(g1) : "r"(a), "m"(g0));
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__asm__ ("foo5" : "=r"(g1) : "r"(a), "Q"(g0));
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__asm__ ("foo6" : "=r"(g1), "=m"(g0) : "r"(a));
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__asm__ ("foo7" : : "r"(a));
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__asm__ ("foo8" : "=r"(g2) : "r"(a));
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}
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