| Matt Beaumont-Gay | bce35a2 | 2012-03-22 23:15:04 +0000 | [diff] [blame] | 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 | } |