| Chris Lattner | 4f1aefc | 2011-12-19 21:11:59 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s |
| Eli Friedman | 08d7802 | 2008-05-29 11:10:27 +0000 | [diff] [blame] | 2 | |
| 3 | __attribute((aligned(16))) float a[128]; |
| Chris Lattner | 4f1aefc | 2011-12-19 21:11:59 +0000 | [diff] [blame] | 4 | union {int a[4]; __attribute((aligned(16))) float b[4];} b; |
| 5 | |
| 6 | // CHECK: @a = {{.*}}zeroinitializer, align 16 |
| 7 | // CHECK: @b = {{.*}}zeroinitializer, align 16 |
| Chris Lattner | 4cac9e1 | 2011-12-19 21:16:08 +0000 | [diff] [blame] | 8 | |
| 9 | |
| 10 | |
| 11 | // PR5279 - Reduced alignment on typedef. |
| 12 | typedef int myint __attribute__((aligned(1))); |
| 13 | |
| 14 | void test1(myint *p) { |
| 15 | *p = 0; |
| 16 | } |
| 17 | // CHECK: @test1( |
| 18 | // CHECK: store i32 0, i32* {{.*}}, align 1 |
| 19 | // CHECK: ret void |
| 20 | |
| Chris Lattner | 1f6b395 | 2011-12-19 21:17:33 +0000 | [diff] [blame] | 21 | int test1a(myint *p) { |
| 22 | return *p; |
| 23 | } |
| 24 | // CHECK: @test1a( |
| 25 | // CHECK: load i32* {{.*}}, align 1 |
| 26 | // CHECK: ret i32 |
| 27 | |
| Chris Lattner | 4cac9e1 | 2011-12-19 21:16:08 +0000 | [diff] [blame] | 28 | |
| 29 | // PR5279 - Reduced alignment on typedef. |
| 30 | typedef float __attribute__((vector_size(16), aligned(4))) packedfloat4; |
| 31 | |
| 32 | void test2(packedfloat4 *p) { |
| 33 | *p = (packedfloat4) { 3.2f, 2.3f, 0.1f, 0.0f }; |
| 34 | } |
| 35 | // CHECK: @test2( |
| 36 | // CHECK: store <4 x float> {{.*}}, align 4 |
| 37 | // CHECK: ret void |
| 38 | |
| 39 | |
| 40 | // PR5279 - Reduced alignment on typedef. |
| 41 | typedef float __attribute__((ext_vector_type(3), aligned(4))) packedfloat3; |
| 42 | void test3(packedfloat3 *p) { |
| 43 | *p = (packedfloat3) { 3.2f, 2.3f, 0.1f }; |
| 44 | } |
| 45 | // CHECK: @test3( |
| Tanya Lattner | 0e9eaa8 | 2012-08-16 00:22:16 +0000 | [diff] [blame] | 46 | // CHECK: %{{.*}} = bitcast <3 x float>* %{{.*}} to <4 x float>* |
| Tanya Lattner | c58dcdc | 2012-08-16 00:10:13 +0000 | [diff] [blame] | 47 | // CHECK: store <4 x float> {{.*}}, align 4 |
| Chris Lattner | 4cac9e1 | 2011-12-19 21:16:08 +0000 | [diff] [blame] | 48 | // CHECK: ret void |
| 49 | |
| Chris Lattner | 1f6b395 | 2011-12-19 21:17:33 +0000 | [diff] [blame] | 50 | |
| Chris Lattner | 44a2399 | 2012-01-04 22:35:55 +0000 | [diff] [blame] | 51 | |
| 52 | typedef float __attribute__((vector_size(16), aligned(64))) float4align64; |
| 53 | |
| 54 | // rdar://10639962 - Typedef alignment lost in p[]-style dereferencing |
| 55 | void test4(float4align64 *p) { |
| 56 | p[0] = (float4align64){ 3.2f, 2.3f, 0.1f, 0.0f }; |
| 57 | } |
| 58 | // CHECK: @test4( |
| Chris Lattner | 08f7760 | 2012-01-04 22:51:21 +0000 | [diff] [blame] | 59 | // CHECK: store <4 x float> {{.*}}, <4 x float>* {{.*}}, align 64 |
| Chris Lattner | 44a2399 | 2012-01-04 22:35:55 +0000 | [diff] [blame] | 60 | |