llvm-6502/test/Instrumentation/ThreadSanitizer/tsan_basic.ll
Kostya Serebryany 60ebb1947f ThreadSanitizer, a race detector. First LLVM commit.
Clang patch (flags) will follow shortly.
The run-time library will also follow, but not immediately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13 22:50:51 +00:00

23 lines
693 B
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"
define i32 @read_4_bytes(i32* %a) {
entry:
%tmp1 = load i32* %a, align 4
ret i32 %tmp1
}
; CHECK: @llvm.global_ctors = {{.*}}@__tsan_init
; CHECK: define i32 @read_4_bytes(i32* %a) {
; CHECK: call void @__tsan_func_entry(i8* %0)
; CHECK-NEXT: %1 = bitcast i32* %a to i8*
; CHECK-NEXT: call void @__tsan_read4(i8* %1)
; CHECK-NEXT: %tmp1 = load i32* %a, align 4
; CHECK-NEXT: call void @__tsan_func_exit()
; CHECK: ret i32