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 define i32 @read_4_bytes(i32* %a) sanitize_thread {
8 %tmp1 = load i32, i32* %a, align 4
12 ; CHECK: @llvm.global_ctors = {{.*}}@tsan.module_ctor
14 ; CHECK: define i32 @read_4_bytes(i32* %a)
15 ; CHECK: call void @__tsan_func_entry(i8* %0)
16 ; CHECK-NEXT: %1 = bitcast i32* %a to i8*
17 ; CHECK-NEXT: call void @__tsan_read4(i8* %1)
18 ; CHECK-NEXT: %tmp1 = load i32, i32* %a, align 4
19 ; CHECK-NEXT: call void @__tsan_func_exit()
23 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1)
24 declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1)
25 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1)
28 ; Check that tsan converts mem intrinsics back to function calls.
30 define void @MemCpyTest(i8* nocapture %x, i8* nocapture %y) sanitize_thread {
32 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false)
34 ; CHECK: define void @MemCpyTest
35 ; CHECK: call i8* @memcpy
39 define void @MemMoveTest(i8* nocapture %x, i8* nocapture %y) sanitize_thread {
41 tail call void @llvm.memmove.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false)
43 ; CHECK: define void @MemMoveTest
44 ; CHECK: call i8* @memmove
48 define void @MemSetTest(i8* nocapture %x) sanitize_thread {
50 tail call void @llvm.memset.p0i8.i64(i8* %x, i8 77, i64 16, i32 4, i1 false)
52 ; CHECK: define void @MemSetTest
53 ; CHECK: call i8* @memset
57 ; CHECK: define internal void @tsan.module_ctor()
58 ; CHECK: call void @__tsan_init()