File: alloca-align.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (28 lines) | stat: -rw-r--r-- 650 bytes parent folder | download | duplicates (19) 
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
26
27
28
 
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s

struct s0 {
  int Start, End;
  unsigned Alignment;
  int TheStores __attribute__((aligned(16)));
};

// CHECK-LABEL: define{{.*}} void @f0
// CHECK: alloca %struct.s0, align 16
extern "C" void f0() {
  (void) s0();
}

// CHECK-LABEL: define{{.*}} void @f1
// CHECK: alloca %struct.s0, align 16
extern "C" void f1() {
  (void) (struct s0) { 0, 0, 0, 0 };
}

// CHECK-LABEL: define{{.*}} i32 @f2
// CHECK: alloca %struct.s1, align 2
struct s1 { short x; short y; };
extern "C" struct s1 f2(int a, struct s1 *x, struct s1 *y) {
  if (a)
    return *x;
  return *y;
}