forked from OSchip/llvm-project
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
|
|
|
|
__attribute((aligned(16))) float a[128];
|
|
union {int a[4]; __attribute((aligned(16))) float b[4];} b;
|
|
|
|
// CHECK: @a = {{.*}}zeroinitializer, align 16
|
|
// CHECK: @b = {{.*}}zeroinitializer, align 16
|
|
|
|
|
|
|
|
// PR5279 - Reduced alignment on typedef.
|
|
typedef int myint __attribute__((aligned(1)));
|
|
|
|
void test1(myint *p) {
|
|
*p = 0;
|
|
}
|
|
// CHECK: @test1(
|
|
// CHECK: store i32 0, i32* {{.*}}, align 1
|
|
// CHECK: ret void
|
|
|
|
int test1a(myint *p) {
|
|
return *p;
|
|
}
|
|
// CHECK: @test1a(
|
|
// CHECK: load i32* {{.*}}, align 1
|
|
// CHECK: ret i32
|
|
|
|
|
|
// PR5279 - Reduced alignment on typedef.
|
|
typedef float __attribute__((vector_size(16), aligned(4))) packedfloat4;
|
|
|
|
void test2(packedfloat4 *p) {
|
|
*p = (packedfloat4) { 3.2f, 2.3f, 0.1f, 0.0f };
|
|
}
|
|
// CHECK: @test2(
|
|
// CHECK: store <4 x float> {{.*}}, align 4
|
|
// CHECK: ret void
|
|
|
|
|
|
// PR5279 - Reduced alignment on typedef.
|
|
typedef float __attribute__((ext_vector_type(3), aligned(4))) packedfloat3;
|
|
void test3(packedfloat3 *p) {
|
|
*p = (packedfloat3) { 3.2f, 2.3f, 0.1f };
|
|
}
|
|
// CHECK: @test3(
|
|
// CHECK: store <3 x float> {{.*}}, align 4
|
|
// CHECK: ret void
|
|
|
|
|
|
|
|
typedef float __attribute__((vector_size(16), aligned(64))) float4align64;
|
|
|
|
// rdar://10639962 - Typedef alignment lost in p[]-style dereferencing
|
|
void test4(float4align64 *p) {
|
|
p[0] = (float4align64){ 3.2f, 2.3f, 0.1f, 0.0f };
|
|
}
|
|
// CHECK: @test4(
|
|
// CHECK: store <4 x float> {{.*}}, <4 x float>* %arrayidx, align 64
|
|
|