minix/external/bsd/llvm/dist/clang/test/CodeGen/ext-vector-member-alignment.c
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

27 lines
881 B
C

// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
typedef float float4 __attribute__((ext_vector_type(4)));
struct __attribute__((packed, aligned(4))) struct1 {
float4 position;
};
int x = __alignof(struct struct1);
float4 f(struct struct1* x) { return x->position; }
void func(struct struct1* p, float *a, float *b, float c) {
p->position.x = c;
*a = p->position.y;
*b = p->position[0];
p->position[2] = c;
// FIXME: We should be able to come up with a more aggressive alignment
// estimate.
// CHECK: @func
// CHECK: load <4 x float>* {{%.*}}, align 1
// CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1
// CHECK: load <4 x float>* {{%.*}}, align 1
// CHECK: load <4 x float>* {{%.*}}, align 1
// CHECK: load <4 x float>* {{%.*}}, align 1
// CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1
// CHECK: ret void
}