File: lto-constmerge-odr.cpp

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (16 lines) | stat: -rw-r--r-- 502 bytes parent folder | download | duplicates (29) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
/// Instrumented globals are added to llvm.compiler.used, so LTO will not const
/// merge them (which will cause spurious ODR violation).
// RUN: %clangxx_asan -O3 -fuse-ld=lld -flto %s -o %t
// RUN: %run %t 2>&1

// REQUIRES: lld-available, lto

int main(int argc, const char * argv[]) {
  struct { long width, height; } a = {16, 16};
  struct { long width, height; } b = {16, 16};

  // Just to make sure 'a' and 'b' don't get optimized out.
  asm volatile("" : : "r" (&a), "r" (&b));

  return 0;
}