forked from OSchip/llvm-project
93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
// RUN: %clang_cc1 -w -triple i386-pc-win32 -emit-llvm -o - %s | FileCheck %s
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// CHECK-LABEL: define dso_local i64 @f1_1()
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// CHECK-LABEL: define dso_local void @f1_2(i32 %a0.0, i32 %a0.1)
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struct s1 {
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int a;
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int b;
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};
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struct s1 f1_1(void) { while (1) {} }
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void f1_2(struct s1 a0) {}
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// CHECK-LABEL: define dso_local i32 @f2_1()
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struct s2 {
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short a;
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short b;
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};
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struct s2 f2_1(void) { while (1) {} }
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// CHECK-LABEL: define dso_local i16 @f3_1()
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struct s3 {
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char a;
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char b;
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};
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struct s3 f3_1(void) { while (1) {} }
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// CHECK-LABEL: define dso_local i8 @f4_1()
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struct s4 {
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char a:4;
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char b:4;
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};
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struct s4 f4_1(void) { while (1) {} }
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// CHECK-LABEL: define dso_local i64 @f5_1()
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// CHECK-LABEL: define dso_local void @f5_2(double %a0.0)
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struct s5 {
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double a;
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};
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struct s5 f5_1(void) { while (1) {} }
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void f5_2(struct s5 a0) {}
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// CHECK-LABEL: define dso_local i32 @f6_1()
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// CHECK-LABEL: define dso_local void @f6_2(float %a0.0)
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struct s6 {
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float a;
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};
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struct s6 f6_1(void) { while (1) {} }
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void f6_2(struct s6 a0) {}
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// MSVC passes up to three vectors in registers, and the rest indirectly. We
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// (arbitrarily) pass oversized vectors indirectly, since that is the safest way
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// to do it.
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typedef float __m128 __attribute__((__vector_size__(16), __aligned__(16)));
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typedef float __m256 __attribute__((__vector_size__(32), __aligned__(32)));
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typedef float __m512 __attribute__((__vector_size__(64), __aligned__(64)));
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typedef float __m1024 __attribute__((__vector_size__(128), __aligned__(128)));
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__m128 gv128;
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__m256 gv256;
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__m512 gv512;
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__m1024 gv1024;
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void receive_vec_128(__m128 x, __m128 y, __m128 z, __m128 w, __m128 q) {
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gv128 = x + y + z + w + q;
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}
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void receive_vec_256(__m256 x, __m256 y, __m256 z, __m256 w, __m256 q) {
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gv256 = x + y + z + w + q;
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}
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void receive_vec_512(__m512 x, __m512 y, __m512 z, __m512 w, __m512 q) {
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gv512 = x + y + z + w + q;
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}
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void receive_vec_1024(__m1024 x, __m1024 y, __m1024 z, __m1024 w, __m1024 q) {
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gv1024 = x + y + z + w + q;
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}
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// CHECK-LABEL: define dso_local void @receive_vec_128(<4 x float> inreg %x, <4 x float> inreg %y, <4 x float> inreg %z, <4 x float>* %0, <4 x float>* %1)
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// CHECK-LABEL: define dso_local void @receive_vec_256(<8 x float> inreg %x, <8 x float> inreg %y, <8 x float> inreg %z, <8 x float>* %0, <8 x float>* %1)
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// CHECK-LABEL: define dso_local void @receive_vec_512(<16 x float> inreg %x, <16 x float> inreg %y, <16 x float> inreg %z, <16 x float>* %0, <16 x float>* %1)
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// CHECK-LABEL: define dso_local void @receive_vec_1024(<32 x float>* %0, <32 x float>* %1, <32 x float>* %2, <32 x float>* %3, <32 x float>* %4)
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void pass_vec_128() {
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__m128 z = {0};
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receive_vec_128(z, z, z, z, z);
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}
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// CHECK-LABEL: define dso_local void @pass_vec_128()
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// CHECK: call void @receive_vec_128(<4 x float> inreg %{{[^,)]*}}, <4 x float> inreg %{{[^,)]*}}, <4 x float> inreg %{{[^,)]*}}, <4 x float>* %{{[^,)]*}}, <4 x float>* %{{[^,)]*}})
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void __fastcall fastcall_indirect_vec(__m128 x, __m128 y, __m128 z, __m128 w, int edx, __m128 q) {
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gv128 = x + y + z + w + q;
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}
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// CHECK-LABEL: define dso_local x86_fastcallcc void @"\01@fastcall_indirect_vec@84"(<4 x float> inreg %x, <4 x float> inreg %y, <4 x float> inreg %z, <4 x float>* inreg %0, i32 inreg %edx, <4 x float>* %1)
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