1 ; RUN: opt < %s -tsan -S | FileCheck %s
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
4 target triple = "x86_64-unknown-linux-gnu"
6 ; no sanitize_thread attribute here
7 define i32 @read_4_bytes(i32* %a) {
9 %tmp1 = load i32, i32* %a, align 4
13 ; CHECK: define i32 @read_4_bytes(i32* %a) {
15 ; CHECK-NEXT: %tmp1 = load i32, i32* %a, align 4
16 ; CHECK: ret i32 %tmp1
18 ; no sanitize_thread attribute here
19 define i32 @read_4_bytes_and_call(i32* %a) {
22 %tmp1 = load i32, i32* %a, align 4
26 ; CHECK: define i32 @read_4_bytes_and_call(i32* %a) {
28 ; CHECK-NEXT: %0 = call i8* @llvm.returnaddress(i32 0)
29 ; CHECK-NEXT: call void @__tsan_func_entry(i8* %0)
30 ; CHECK-NEXT: call void @foo()
31 ; CHECK-NEXT: %tmp1 = load i32, i32* %a, align 4
32 ; CHECK-NEXT: call void @__tsan_func_exit()
33 ; CHECK-NEXT: ret i32 %tmp1
35 declare void @foo() nounwind