File: lto-constmerge-odr.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (16 lines) | stat: -rw-r--r-- 502 bytes parent folder | download | duplicates (28) 
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;
}