45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
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// RUN: %clang_cc1 -triple i386-pc-win32 %s -emit-llvm -fms-compatibility -O2 -disable-llvm-passes -o - | FileCheck %s
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__declspec(selectany) int x1 = 1;
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const __declspec(selectany) int x2 = 2;
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// CHECK: @x1 = weak_odr dso_local global i32 1, comdat, align 4
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// CHECK: @x2 = weak_odr dso_local constant i32 2, comdat, align 4
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// selectany turns extern variable declarations into definitions.
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__declspec(selectany) int x3;
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extern __declspec(selectany) int x4;
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// CHECK: @x3 = weak_odr dso_local global i32 0, comdat, align 4
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// CHECK: @x4 = weak_odr dso_local global i32 0, comdat, align 4
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struct __declspec(align(16)) S {
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char x;
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};
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union { struct S s; } u;
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// CHECK: @u = {{.*}}zeroinitializer, align 16
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// CHECK: define dso_local void @t3() [[NAKED:#[0-9]+]] {
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__declspec(naked) void t3() {}
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// CHECK: define dso_local void @t22() [[NUW:#[0-9]+]]
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void __declspec(nothrow) t22();
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void t22() {}
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// CHECK: define dso_local void @t2() [[NI:#[0-9]+]] {
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__declspec(noinline) void t2() {}
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// CHECK: call void @f20_t() [[NR:#[0-9]+]]
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__declspec(noreturn) void f20_t(void);
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void f20(void) { f20_t(); }
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__declspec(noalias) void noalias_callee(int *x);
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// CHECK: call void @noalias_callee({{.*}}) [[NA:#[0-9]+]]
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void noalias_caller(int *x) { noalias_callee(x); }
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// CHECK: attributes [[NAKED]] = { naked noinline nounwind{{.*}} }
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// CHECK: attributes [[NUW]] = { nounwind{{.*}} }
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// CHECK: attributes [[NI]] = { noinline nounwind{{.*}} }
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// CHECK: attributes [[NR]] = { noreturn }
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// CHECK: attributes [[NA]] = { argmemonly nounwind{{.*}} }
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