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- ; 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 sanitize_thread {
- entry:
- %0 = load i32, 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 sanitize_thread {
- entry:
- %0 = load i32, 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()
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