[PATCH] D139686: [lsan] Add lsan support for loongarch64

[Youling Tang via Phabricator via cfe-commits]

tangyouling added a comment.

  $ cat memory-leak.c 
  #include <stdlib.h>
  void *p;
  int main() {
    p = malloc(7);
    p = 0; // The memory is leaked here.
    return 0;
  }

  $ ./build/bin/clang -fsanitize=address -g memory-leak.c ; ASAN_OPTIONS=detect_leaks=1 ./a.out
  
  =================================================================
  ==636379==ERROR: LeakSanitizer: detected memory leaks
  
  Direct leak of 7 byte(s) in 1 object(s) allocated from:
      #0 0x555557bac158 in __interceptor_malloc /home/loongson/llvm-work/llvm-project-test3/llvm-project1/compiler-rt/lib/asan/asan_malloc_linux.cpp:69:3
      #1 0x555557beb03c in main /home/loongson/llvm-work/llvm-project-test3/llvm-project1/memory-leak.c:4:7
      #2 0x7ffff23b1678  (/usr/lib64/libc.so.6+0x25678)
  
  SUMMARY: AddressSanitizer: 7 byte(s) leaked in 1 allocation(s).

  $ ./build/bin/clang -fsanitize=leak -g memory-leak.c && ./a.out
  
  =================================================================
  ==636372==ERROR: LeakSanitizer: detected memory leaks
  
  Direct leak of 7 byte(s) in 1 object(s) allocated from:
      #0 0x555556a5a94c in __interceptor_malloc /home/loongson/llvm-work/llvm-project-test3/llvm-project1/compiler-rt/lib/lsan/lsan_interceptors.cpp:75:3
      #1 0x555556a5db0c in main /home/loongson/llvm-work/llvm-project-test3/llvm-project1/memory-leak.c:4:7
      #2 0x7ffff11c5678  (/usr/lib64/libc.so.6+0x25678)
  
  SUMMARY: LeakSanitizer: 7 byte(s) leaked in 1 allocation(s).

  $ make check-lsan
  Testing Time: 38.19s
    Unsupported      : 13
    Passed           : 93
    Expectedly Failed:  2
  
  4 warning(s) in tests
  Built target check-lsan


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D139686/new/

https://reviews.llvm.org/D139686