File: 2010-08-12-asm-aggr-arg.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-- 371 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 %s -emit-llvm -o - | FileCheck %s
// A small aggregate can be passed as an integer. Make sure we don't get an
// error with "input constraint with a matching output constraint of
// incompatible type!" 

struct wrapper {
  int i;
};

// CHECK: xyz
int test(int i) {
  struct wrapper w;
  w.i = i;
  __asm__("xyz" : "=r" (w) : "0" (w));
  return w.i;
}