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1// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,NONCOFF2// RUN: %clang_cc1 -triple i386-unknown-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,COFF3 4__attribute((aligned(16))) float a[128];5union {int a[4]; __attribute((aligned(16))) float b[4];} b;6 7// CHECK: @a = {{.*}}zeroinitializer, align 168// CHECK: @b = {{.*}}zeroinitializer, align 169 10long long int test5[1024];11// CHECK-DAG: @test5 = {{.*}}global [1024 x i64] zeroinitializer, align 812 13// PR5279 - Reduced alignment on typedef.14typedef int myint __attribute__((aligned(1)));15 16void test1(myint *p) {17 *p = 0;18}19// CHECK: @test1(20// CHECK: store i32 0, ptr {{.*}}, align 121// CHECK: ret void22 23int test1a(myint *p) {24 return *p;25}26// CHECK: @test1a(27// CHECK: load i32, ptr {{.*}}, align 128// CHECK: ret i3229 30 31// PR5279 - Reduced alignment on typedef.32typedef float __attribute__((vector_size(16), aligned(4))) packedfloat4;33 34void test2(packedfloat4 *p) {35 *p = (packedfloat4) { 3.2f, 2.3f, 0.1f, 0.0f };36}37// CHECK: @test2(38// CHECK: store <4 x float> {{.*}}, align 439// CHECK: ret void40 41 42// PR5279 - Reduced alignment on typedef.43typedef float __attribute__((ext_vector_type(3), aligned(4))) packedfloat3;44void test3(packedfloat3 *p) {45 *p = (packedfloat3) { 3.2f, 2.3f, 0.1f };46}47// CHECK: @test3(48// CHECK: store <4 x float> {{.*}}, align 449// CHECK: ret void50 51 52 53typedef float __attribute__((vector_size(16), aligned(64))) float4align64;54 55// Typedef alignment lost in p[]-style dereferencing56void 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> {{.*}}, ptr {{.*}}, align 6461 62// PR24944 - Typedef alignment not honored on no-op cast.63typedef float __attribute__((vector_size(16), aligned(16))) float4align16;64typedef float __attribute__((vector_size(16), aligned(2))) float4align2;65void test6(float4align64 *p) {66 float4align64 vec = *(float4align2*) p;67}68// CHECK-LABEL: @test669// CHECK: load <4 x float>, ptr {{.*}}, align 270 71typedef int __attribute__((ext_vector_type(200 * 16))) BigVecTy;72void test7(void) {73 BigVecTy V;74}75// CHECK-LABEL: @test776// NONCOFF: alloca <3200 x i32>, align 1638477// COFF: alloca <3200 x i32>, align 819278