xref: /llvm-project/clang/test/Modules/pr91418.cppm (revision fc0144a30cf20d6405411da141d11bfde143d3d2) 
1// RUN: rm -rf %t
2// RUN: mkdir -p %t
3// RUN: split-file %s %t
4//
5// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 -x c++-header %t/foo.h \
6// RUN:     -emit-pch -o %t/foo.pch
7// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 %t/use.cpp -include-pch \
8// RUN:     %t/foo.pch -emit-llvm -o - | FileCheck %t/use.cpp
9
10//--- foo.h
11#ifndef FOO_H
12#define FOO_H
13typedef float __m128 __attribute__((__vector_size__(16), __aligned__(16)));
14
15static __inline__ __m128 __attribute__((__always_inline__, __min_vector_width__(128)))
16_mm_setr_ps(float __z, float __y, float __x, float __w)
17{
18  return __extension__ (__m128){ __z, __y, __x, __w };
19}
20
21typedef __m128 VR;
22
23inline VR MakeVR( float X, float Y, float Z, float W )
24{
25 return _mm_setr_ps( X, Y, Z, W );
26}
27
28extern "C" float sqrtf(float);
29
30namespace VectorSinConstantsSSE
31{
32  float a = (16 * sqrtf(0.225f));
33  VR A = MakeVR(a, a, a, a);
34  static const float b = (16 * sqrtf(0.225f));
35  static const VR B = MakeVR(b, b, b, b);
36}
37
38#endif // FOO_H
39
40//--- use.cpp
41#include "foo.h"
42float use() {
43    return VectorSinConstantsSSE::A[0] + VectorSinConstantsSSE::A[1] +
44           VectorSinConstantsSSE::A[2] + VectorSinConstantsSSE::A[3] +
45           VectorSinConstantsSSE::B[0] + VectorSinConstantsSSE::B[1] +
46           VectorSinConstantsSSE::B[2] + VectorSinConstantsSSE::B[3];
47}
48
49// CHECK: define{{.*}}@__cxx_global_var_init(
50// CHECK: store{{.*}}, ptr @_ZN21VectorSinConstantsSSE1aE
51
52// CHECK: define{{.*}}@__cxx_global_var_init.1(
53// CHECK: store{{.*}}, ptr @_ZN21VectorSinConstantsSSE1AE
54
55// CHECK: define{{.*}}@__cxx_global_var_init.2(
56// CHECK: store{{.*}}, ptr @_ZN21VectorSinConstantsSSEL1BE
57
58// CHECK: define{{.*}}@__cxx_global_var_init.3(
59// CHECK: store{{.*}}, ptr @_ZN21VectorSinConstantsSSEL1bE
60
61// CHECK: @_GLOBAL__sub_I_use.cpp
62// CHECK: call{{.*}}@__cxx_global_var_init(
63// CHECK: call{{.*}}@__cxx_global_var_init.1(
64// CHECK: call{{.*}}@__cxx_global_var_init.3(
65// CHECK: call{{.*}}@__cxx_global_var_init.2(
66