File: union-align.c

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (16 lines) | stat: -rw-r--r-- 414 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | grep load | grep "4 x float" | not grep "align 4"
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | grep load | grep "4 x float" | grep "align 16"
// PR3432

typedef float __m128 __attribute__ ((__vector_size__ (16)));

typedef union
{
  int i[4];
  float f[4];
  __m128 v;
} u_t;

__m128 t(u_t *a) {
  return a->v;
}