1// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s 2 3__attribute((aligned(16))) float a[128]; 4union {int a[4]; __attribute((aligned(16))) float b[4];} b; 5 6// CHECK: @a = {{.*}}zeroinitializer, align 16 7// CHECK: @b = {{.*}}zeroinitializer, align 16 8 9long long int test5[1024]; 10// CHECK-DAG: @test5 = common global [1024 x i64] zeroinitializer, align 8 11 12// PR5279 - Reduced alignment on typedef. 13typedef int myint __attribute__((aligned(1))); 14 15void test1(myint *p) { 16 *p = 0; 17} 18// CHECK: @test1( 19// CHECK: store i32 0, i32* {{.*}}, align 1 20// CHECK: ret void 21 22int test1a(myint *p) { 23 return *p; 24} 25// CHECK: @test1a( 26// CHECK: load i32* {{.*}}, align 1 27// CHECK: ret i32 28 29 30// PR5279 - Reduced alignment on typedef. 31typedef float __attribute__((vector_size(16), aligned(4))) packedfloat4; 32 33void test2(packedfloat4 *p) { 34 *p = (packedfloat4) { 3.2f, 2.3f, 0.1f, 0.0f }; 35} 36// CHECK: @test2( 37// CHECK: store <4 x float> {{.*}}, align 4 38// CHECK: ret void 39 40 41// PR5279 - Reduced alignment on typedef. 42typedef float __attribute__((ext_vector_type(3), aligned(4))) packedfloat3; 43void test3(packedfloat3 *p) { 44 *p = (packedfloat3) { 3.2f, 2.3f, 0.1f }; 45} 46// CHECK: @test3( 47// CHECK: %{{.*}} = bitcast <3 x float>* %{{.*}} to <4 x float>* 48// CHECK: store <4 x float> {{.*}}, align 4 49// CHECK: ret void 50 51 52 53typedef float __attribute__((vector_size(16), aligned(64))) float4align64; 54 55// rdar://10639962 - Typedef alignment lost in p[]-style dereferencing 56void test4(float4align64 *p) { 57 p[0] = (float4align64){ 3.2f, 2.3f, 0.1f, 0.0f }; 58} 59// CHECK: @test4( 60// CHECK: store <4 x float> {{.*}}, <4 x float>* {{.*}}, align 64 61 62