File: ext-vector-member-alignment.c

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (25 lines) | stat: -rw-r--r-- 790 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s

typedef float float4 __attribute__((ext_vector_type(4)));

struct __attribute__((packed, aligned(4))) struct1 {
  float4 position;
};
int x = __alignof(struct struct1);

float4 f(struct struct1* x) { return x->position; }

void func(struct struct1* p, float *a, float *b, float c) {
  p->position.x = c;
  *a = p->position.y;
  *b = p->position[0];
  p->position[2] = c;
  // CHECK: @func
  // CHECK: load <4 x float>, ptr {{%.*}}, align 4
  // CHECK: store <4 x float> {{%.*}}, ptr {{%.*}}, align 4
  // CHECK: load <4 x float>, ptr {{%.*}}, align 4
  // CHECK: load <4 x float>, ptr {{%.*}}, align 4
  // CHECK: load <4 x float>, ptr {{%.*}}, align 4
  // CHECK: store <4 x float> {{%.*}}, ptr {{%.*}}, align 4
  // CHECK: ret void
}