clang/test/CodeGen/tbaa-struct-relaxed-aliasing-with-tsan.cpp

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - -O1 -relaxed-aliasing -fsanitize=thread -disable-llvm-optzns %s | \
   2 // RUN:     FileCheck %s
   3 // RUN: %clang_cc1 -triple x86_64-apple-darwin -new-struct-path-tbaa \
   4 // RUN:     -emit-llvm -o - -O1 -relaxed-aliasing -fsanitize=thread -disable-llvm-optzns %s | \
   5 // RUN:     FileCheck %s
   6 //
   7 // Check that we do not create tbaa for instructions generated for copies.
   8
   9 // CHECK-NOT: !tbaa
  10
  11 struct A {
  12   short s;
  13   int i;
  14   char c;
  15   int j;
  16 };
  17
  18 void copyStruct(A *a1, A *a2) {
  19   *a1 = *a2;
  20 }
  21
  22 void copyInt(int *a, int *b) {
  23   *a = *b;
  24 }