xref: /aosp_15_r20/external/llvm/test/Transforms/SimplifyCFG/2009-01-18-PHIPropCrash.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -simplifycfg -disable-output
2*9880d681SAndroid Build Coastguard Worker; PR3016
3*9880d681SAndroid Build Coastguard Worker; Dead use caused invariant violation.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i32 @func_105(i1 %tmp5, i1 %tmp7) nounwind {
6*9880d681SAndroid Build Coastguard WorkerBB:
7*9880d681SAndroid Build Coastguard Worker	br i1 true, label %BB2, label %BB1
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard WorkerBB1:		; preds = %BB
10*9880d681SAndroid Build Coastguard Worker	br label %BB2
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard WorkerBB2:		; preds = %BB1, %BB
13*9880d681SAndroid Build Coastguard Worker	%tmp3 = phi i1 [ true, %BB ], [ false, %BB1 ]		; <i1> [#uses=1]
14*9880d681SAndroid Build Coastguard Worker	br label %BB9
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard WorkerBB9:		; preds = %BB11, %BB2
17*9880d681SAndroid Build Coastguard Worker	%tmp10 = phi i32 [ 0, %BB2 ], [ %tmp12, %BB11 ]		; <i32> [#uses=1]
18*9880d681SAndroid Build Coastguard Worker	br i1 %tmp5, label %BB11, label %BB13
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard WorkerBB11:		; preds = %BB13, %BB9
21*9880d681SAndroid Build Coastguard Worker	%tmp12 = phi i32 [ 0, %BB13 ], [ %tmp10, %BB9 ]		; <i32> [#uses=2]
22*9880d681SAndroid Build Coastguard Worker	br i1 %tmp3, label %BB9, label %BB20
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard WorkerBB13:		; preds = %BB13, %BB9
25*9880d681SAndroid Build Coastguard Worker	%tmp14 = phi i32 [ 0, %BB9 ], [ %tmp14, %BB13 ]		; <i32> [#uses=1]
26*9880d681SAndroid Build Coastguard Worker	br i1 %tmp7, label %BB13, label %BB11
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard WorkerBB20:		; preds = %BB11
29*9880d681SAndroid Build Coastguard Worker	ret i32 %tmp12
30*9880d681SAndroid Build Coastguard Worker}
31