xref: /aosp_15_r20/external/llvm/test/Transforms/GlobalDCE/2003-07-01-SelfReference.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; distilled from 255.vortex
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -globaldce -S | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: testfunc
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdeclare i1 ()* @getfunc()
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine internal i1 @testfunc() {
9*9880d681SAndroid Build Coastguard Worker        %F = call i1 ()* () @getfunc( )                ; <i1 ()*> [#uses=1]
10*9880d681SAndroid Build Coastguard Worker        %c = icmp eq i1 ()* %F, @testfunc               ; <i1> [#uses=1]
11*9880d681SAndroid Build Coastguard Worker        ret i1 %c
12*9880d681SAndroid Build Coastguard Worker}
13*9880d681SAndroid Build Coastguard Worker
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