File: transparent-union.c

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (30 lines) | stat: -rw-r--r-- 972 bytes parent folder | download | duplicates (6) 
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
29
30
 
// RUN: %clang_cc1 -Werror -triple x86_64-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -Werror -triple i386-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -Werror -triple armv7-linux -emit-llvm -o - %s | FileCheck %s --check-prefix=ARM
// RUN: %clang_cc1 -Werror -triple powerpc64le-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -Werror -triple aarch64-linux -emit-llvm -o - %s | FileCheck %s

typedef union {
  void *f0;
} transp_t0 __attribute__((transparent_union));

void f0(transp_t0 obj);

// CHECK-LABEL: define void @f1_0(i32* %a0)
// CHECK:  call void @f0(i8* %{{.*}})
// CHECK:  call void %{{.*}}(i8* %{{[a-z0-9]*}})
// CHECK: }

// ARM-LABEL: define arm_aapcscc void @f1_0(i32* %a0)
// ARM:  call arm_aapcscc void @f0(i8* %{{.*}})
// ARM:  call arm_aapcscc void %{{.*}}(i8* %{{[a-z0-9]*}})
// ARM: }
void f1_0(int *a0) {
  void (*f0p)(void *) = f0;
  f0(a0);
  f0p(a0);
}

void f1_1(int *a0) {
  f0((transp_t0) { a0 });
}