xref: /aosp_15_r20/external/llvm/test/Analysis/Dominators/2006-10-02-BreakCritEdges.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -domtree -break-crit-edges -analyze -domtree | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; PR932
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; CHECK: [3] %brtrue {1,2}
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdeclare void @use1(i32)
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine void @f(i32 %i, i1 %c) {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker	%A = icmp eq i32 %i, 0		; <i1> [#uses=1]
11*9880d681SAndroid Build Coastguard Worker	br i1 %A, label %brtrue, label %brfalse
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerbrtrue:		; preds = %brtrue, %entry
14*9880d681SAndroid Build Coastguard Worker	%B = phi i1 [ true, %brtrue ], [ false, %entry ]		; <i1> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker	call void @use1( i32 %i )
16*9880d681SAndroid Build Coastguard Worker	br i1 %B, label %brtrue, label %brfalse
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerbrfalse:		; preds = %brtrue, %entry
19*9880d681SAndroid Build Coastguard Worker	call void @use1( i32 %i )
20*9880d681SAndroid Build Coastguard Worker	ret void
21*9880d681SAndroid Build Coastguard Worker}
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