1 ; RUN: opt < %s -tsan -S | FileCheck %s 2 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" 5 6 define i32 @read_4_bytes(i32* %a) { 7 entry: 8 %tmp1 = load i32* %a, align 4 9 ret i32 %tmp1 10 } 11 12 ; CHECK: @llvm.global_ctors = {{.*}}@__tsan_init 13 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* %a, align 4 19 ; CHECK-NEXT: call void @__tsan_func_exit() 20 ; CHECK: ret i32 21 22 23