xref: /aosp_15_r20/external/llvm/test/Transforms/LoopStrengthReduce/pr3086.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-reduce
2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -analyze -scalar-evolution
3*9880d681SAndroid Build Coastguard Worker; PR 3086
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker	%struct.Cls = type { i32, i8, [2 x %struct.Cls*], [2 x %struct.Lit*] }
6*9880d681SAndroid Build Coastguard Worker	%struct.Lit = type { i8 }
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine fastcc i64 @collect_clauses() nounwind {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker	br label %bb11
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerbb5:		; preds = %bb9
13*9880d681SAndroid Build Coastguard Worker	%0 = load %struct.Lit*, %struct.Lit** %storemerge, align 8		; <%struct.Lit*> [#uses=0]
14*9880d681SAndroid Build Coastguard Worker	%indvar.next8 = add i64 %storemerge.rec, 1		; <i64> [#uses=1]
15*9880d681SAndroid Build Coastguard Worker	br label %bb9
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerbb9:		; preds = %bb22, %bb5
18*9880d681SAndroid Build Coastguard Worker	%storemerge.rec = phi i64 [ %indvar.next8, %bb5 ], [ 0, %bb22 ]		; <i64> [#uses=2]
19*9880d681SAndroid Build Coastguard Worker	%storemerge = getelementptr %struct.Lit*, %struct.Lit** null, i64 %storemerge.rec		; <%struct.Lit**> [#uses=2]
20*9880d681SAndroid Build Coastguard Worker	%1 = icmp ugt %struct.Lit** null, %storemerge		; <i1> [#uses=1]
21*9880d681SAndroid Build Coastguard Worker	br i1 %1, label %bb5, label %bb22
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerbb11:		; preds = %bb22, %entry
24*9880d681SAndroid Build Coastguard Worker	%2 = load %struct.Cls*, %struct.Cls** null, align 8		; <%struct.Cls*> [#uses=0]
25*9880d681SAndroid Build Coastguard Worker	br label %bb22
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerbb22:		; preds = %bb11, %bb9
28*9880d681SAndroid Build Coastguard Worker	br i1 false, label %bb11, label %bb9
29*9880d681SAndroid Build Coastguard Worker}
30