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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt -passes=attributor -S < %s | FileCheck %s3 4; Global variables that reference themselves alongside a function that is called indirectly5; used to cause an infinite loop in the attributor. The recursive reference was continually6; pushed back into the workload, causing the attributor to hang indefinitely.7 8@glob1 = global { ptr, ptr } { ptr @glob1, ptr @fnc1 }9@glob2 = global { ptr, ptr } { ptr @glob3, ptr @fnc2 }10@glob3 = global { ptr, ptr } { ptr @glob2, ptr @fnc2 }11 12define internal void @fnc1() {13; CHECK-LABEL: define internal void @fnc1(14; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {15; CHECK-NEXT: ret void16;17 ret void18}19 20define internal void @fnc2() {21; CHECK-LABEL: define internal void @fnc2(22; CHECK-SAME: ) #[[ATTR0]] {23; CHECK-NEXT: ret void24;25 ret void26}27 28define dso_local void @indr_caller(ptr %0) {29; CHECK-LABEL: define dso_local void @indr_caller(30; CHECK-SAME: ptr nofree noundef nonnull captures(none) [[TMP0:%.*]]) {31; CHECK-NEXT: call void [[TMP0]]()32; CHECK-NEXT: ret void33;34 call void %0()35 ret void36}37 38define void @main() {39; CHECK-LABEL: define void @main() {40; CHECK-NEXT: call void @indr_caller(ptr nofree noundef nonnull captures(none) @fnc1)41; CHECK-NEXT: call void @indr_caller(ptr nofree noundef nonnull captures(none) @fnc2)42; CHECK-NEXT: ret void43;44 call void @indr_caller(ptr @fnc1)45 call void @indr_caller(ptr @fnc2)46 ret void47}48