1 // RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s 2 3 typedef float float4 __attribute__((ext_vector_type(4))); 4 5 struct __attribute__((packed, aligned(4))) struct1 { 6 float4 position; 7 }; 8 int x = __alignof(struct struct1); 9 10 float4 f(struct struct1* x) { return x->position; } 11 12 void func(struct struct1* p, float *a, float *b, float c) { 13 p->position.x = c; 14 *a = p->position.y; 15 *b = p->position[0]; 16 p->position[2] = c; 17 // FIXME: We should be able to come up with a more aggressive alignment 18 // estimate. 19 // CHECK: @func 20 // CHECK: load <4 x float>* {{%.*}}, align 1 21 // CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1 22 // CHECK: load <4 x float>* {{%.*}}, align 1 23 // CHECK: load <4 x float>* {{%.*}}, align 1 24 // CHECK: load <4 x float>* {{%.*}}, align 1 25 // CHECK: store <4 x float> {{%.*}}, <4 x float>* {{%.*}}, align 1 26 // CHECK: ret void 27 } 28
