File: tbaa-struct-relaxed-aliasing-with-tsan.cpp

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (24 lines) | stat: -rw-r--r-- 594 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - -O1 -relaxed-aliasing -fsanitize=thread -disable-llvm-optzns %s | \
// RUN:     FileCheck %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin -new-struct-path-tbaa \
// RUN:     -emit-llvm -o - -O1 -relaxed-aliasing -fsanitize=thread -disable-llvm-optzns %s | \
// RUN:     FileCheck %s
//
// Check that we do not create tbaa for instructions generated for copies.

// CHECK-NOT: !tbaa

struct A {
  short s;
  int i;
  char c;
  int j;
};

void copyStruct(A *a1, A *a2) {
  *a1 = *a2;
}

void copyInt(int *a, int *b) {
  *a = *b;
}