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1; RUN: opt < %s -passes=tsan -tsan-omit-by-pointer-capturing=0 -S | FileCheck %s2 3target 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"4 5declare void @escape(ptr)6 7@sink = global ptr null, align 48 9 10define void @captured2() nounwind uwtable sanitize_thread {11entry:12 %ptr = alloca i32, align 413 %tmp = alloca ptr, align 814 ; transitive escape15 store ptr %ptr, ptr %tmp, align 816 %0 = load ptr, ptr %tmp, align 817 store ptr %0, ptr @sink, align 818 store i32 42, ptr %ptr, align 419 ret void20}21; CHECK-LABEL: define void @captured222; CHECK: __tsan_write23; CHECK: __tsan_read24; CHECK: __tsan_write25; CHECK: __tsan_write26; CHECK: ret void27 28define void @captured3() nounwind uwtable sanitize_thread {29entry:30 %stkobj = alloca [2 x i32], align 831 ; escapes due to store into global32 store ptr %stkobj, ptr @sink, align 833 ; derived is captured as its base object is captured34 %derived = getelementptr inbounds i32, ptr %stkobj, i64 135 store i32 42, ptr %derived, align 436 ret void37}38; CHECK-LABEL: define void @captured339; CHECK: __tsan_write40; CHECK: __tsan_write41; CHECK: ret void42 43define void @notcaptured2() nounwind uwtable sanitize_thread {44entry:45 %ptr = alloca i32, align 446 %tmp = alloca ptr, align 847 store i32 42, ptr %ptr, align 448 ; transitive escape49 store ptr %ptr, ptr %tmp, align 850 %0 = load ptr, ptr %tmp, align 851 store ptr %0, ptr @sink, align 852 ret void53}54; CHECK-LABEL: define void @notcaptured255; CHECK: __tsan_write56; CHECK: __tsan_write57; CHECK: __tsan_read58; CHECK: __tsan_write59; CHECK: ret void60 61define void @notcaptured3(i1 %cond) nounwind uwtable sanitize_thread {62entry:63 %stkobj = alloca [2 x i32], align 864 %derived = getelementptr inbounds i32, ptr %stkobj, i64 165 %ptr = select i1 %cond, ptr %derived, ptr %stkobj66 store i32 42, ptr %ptr, align 467 ret void68}69; CHECK-LABEL: define void @notcaptured370; CHECK: __tsan_write71; CHECK: ret void72 73define void @notcaptured4() nounwind uwtable sanitize_thread {74entry:75 %stkobj = alloca [10 x i8], align 176 br label %loop77 78exit:79 ret void80 81loop:82 %count = phi i32 [ 0, %entry ], [ %addone, %loop ]83 %derived = phi ptr [ %stkobj, %entry ], [ %ptraddone, %loop ]84 store i32 %count, ptr %derived, align 485 %ptraddone = getelementptr inbounds i32, ptr %derived, i64 186 %addone = add nuw nsw i32 %count, 187 %eq10 = icmp eq i32 %addone, 1088 br i1 %eq10, label %exit, label %loop89}90; CHECK-LABEL: define void @notcaptured491; CHECK: ret void92; CHECK: __tsan_write93