You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.3 KiB
46 lines
1.3 KiB
4 months ago
|
// RUN: %clang_cc1 %s -O1 -std=c++11 -triple x86_64-unknown-linux-gnu -target-cpu x86-64 -target-feature +sse4.2 -target-feature +avx -emit-llvm -o - | FileCheck %s
|
||
|
|
|
||
|
|
// Testcase from llvm.org/PR32056
|
||
|
|
|
||
|
|
extern "C" int printf (const char *__restrict __format, ...);
|
||
|
|
|
||
|
|
typedef double __m256d __attribute__((__vector_size__(32)));
|
||
|
|
|
||
|
|
static __inline __m256d __attribute__((__always_inline__, __nodebug__,
|
||
|
|
__target__("avx")))
|
||
|
|
_mm256_setr_pd(double __a, double __b, double __c, double __d) {
|
||
|
|
return (__m256d){ __a, __b, __c, __d };
|
||
|
|
}
|
||
|
|
|
||
|
|
struct A {
|
||
|
|
A () {
|
||
|
|
// Check that the TBAA information generated for the stores to the
|
||
|
|
// union members is based on the omnipotent char.
|
||
|
|
// CHECK: store <4 x double>
|
||
|
|
// CHECK: tbaa ![[OCPATH:[0-9]+]]
|
||
|
|
// CHECK: store <4 x double>
|
||
|
|
// CHECK: tbaa ![[OCPATH]]
|
||
|
|
// CHECK: call
|
||
|
|
a = _mm256_setr_pd(0.0, 1.0, 2.0, 3.0);
|
||
|
|
b = _mm256_setr_pd(4.0, 5.0, 6.0, 7.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
const double *begin() { return c; }
|
||
|
|
const double *end() { return c+8; }
|
||
|
|
|
||
|
|
union {
|
||
|
|
struct { __m256d a, b; };
|
||
|
|
double c[8];
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
int main(int argc, char *argv[]) {
|
||
|
|
A a;
|
||
|
|
for (double value : a)
|
||
|
|
printf("%f ", value);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-DAG: ![[CHAR:[0-9]+]] = !{!"omnipotent char"
|
||
|
|
// CHECK-DAG: ![[OCPATH]] = !{![[CHAR]], ![[CHAR]], i64 0}
|