1 ; RUN: llvm-as < %s | opt -loop-reduce -disable-output
2 ; LSR should not crash on this.
4 fastcc void %loadloop() {
6 switch sbyte 0, label %shortcirc_next [
7 sbyte 32, label %loopexit.2
8 sbyte 59, label %loopexit.2
11 shortcirc_next: ; preds = %no_exit.2, %entry
12 %indvar37 = phi uint [ 0, %entry ], [ %indvar.next38, %no_exit.2 ] ; <uint> [#uses=3]
13 %wp.2.4 = getelementptr sbyte* null, uint %indvar37 ; <sbyte*> [#uses=1]
14 br bool false, label %loopexit.2, label %no_exit.2
16 no_exit.2: ; preds = %shortcirc_next
17 %wp.2.4.rec = cast uint %indvar37 to int ; <int> [#uses=1]
18 %inc.1.rec = add int %wp.2.4.rec, 1 ; <int> [#uses=1]
19 %inc.1 = getelementptr sbyte* null, int %inc.1.rec ; <sbyte*> [#uses=2]
20 %indvar.next38 = add uint %indvar37, 1 ; <uint> [#uses=1]
21 switch sbyte 0, label %shortcirc_next [
22 sbyte 32, label %loopexit.2
23 sbyte 59, label %loopexit.2
26 loopexit.2: ; preds = %no_exit.2, %no_exit.2, %shortcirc_next, %entry, %entry
27 %wp.2.7 = phi sbyte* [ null, %entry ], [ null, %entry ], [ %wp.2.4, %shortcirc_next ], [ %inc.1, %no_exit.2 ], [ %inc.1, %no_exit.2 ] ; <sbyte*> [#uses=0]