mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-29 10:32:47 +00:00
4ef1999d61
If a function has no_sanitize_thread attribute, do not instrument memory accesses in it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192871 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.0 KiB
LLVM
37 lines
1.0 KiB
LLVM
; RUN: opt < %s -tsan -S | FileCheck %s
|
|
|
|
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"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; no sanitize_thread attribute here
|
|
define i32 @read_4_bytes(i32* %a) {
|
|
entry:
|
|
%tmp1 = load i32* %a, align 4
|
|
ret i32 %tmp1
|
|
}
|
|
|
|
; CHECK: define i32 @read_4_bytes(i32* %a) {
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: %tmp1 = load i32* %a, align 4
|
|
; CHECK: ret i32 %tmp1
|
|
|
|
; no sanitize_thread attribute here
|
|
define i32 @read_4_bytes_and_call(i32* %a) {
|
|
entry:
|
|
call void @foo()
|
|
%tmp1 = load i32* %a, align 4
|
|
ret i32 %tmp1
|
|
}
|
|
|
|
; CHECK: define i32 @read_4_bytes_and_call(i32* %a) {
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: %0 = call i8* @llvm.returnaddress(i32 0)
|
|
; CHECK-NEXT: call void @__tsan_func_entry(i8* %0)
|
|
; CHECK-NEXT: call void @foo()
|
|
; CHECK-NEXT: %tmp1 = load i32* %a, align 4
|
|
; CHECK-NEXT: call void @__tsan_func_exit()
|
|
; CHECK-NEXT: ret i32 %tmp1
|
|
|
|
declare void @foo()
|
|
|