| ; 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-S128" |
| |
| define void @IncrementMe(i32* nocapture %ptr) nounwind uwtable { |
| entry: |
| %0 = load i32* %ptr, align 4 |
| %inc = add nsw i32 %0, 1 |
| store i32 %inc, i32* %ptr, align 4 |
| ret void |
| } |
| ; CHECK: define void @IncrementMe |
| ; CHECK-NOT: __tsan_read |
| ; CHECK: __tsan_write |
| ; CHECK: ret void |
| |
| define void @IncrementMeWithCallInBetween(i32* nocapture %ptr) nounwind uwtable { |
| entry: |
| %0 = load i32* %ptr, align 4 |
| %inc = add nsw i32 %0, 1 |
| call void @foo() |
| store i32 %inc, i32* %ptr, align 4 |
| ret void |
| } |
| |
| ; CHECK: define void @IncrementMeWithCallInBetween |
| ; CHECK: __tsan_read |
| ; CHECK: __tsan_write |
| ; CHECK: ret void |
| |
| declare void @foo() |
| |
