1 ; RUN: opt < %s -loop-reduce -disable-output 2 3 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" 4 5 target triple = "i686-apple-darwin9" 6 7 define i8* @foo( i8* %ABC) { 8 entry: 9 switch i8 0, label %bb129 [ 10 i8 0, label %UnifiedReturnBlock 11 i8 9, label %UnifiedReturnBlock 12 i8 32, label %UnifiedReturnBlock 13 i8 35, label %UnifiedReturnBlock 14 i8 37, label %bb16.preheader 15 ] 16 17 bb16.preheader: ; preds = %entry 18 br label %bb16 19 20 bb16: ; preds = %cond_next102, %bb16.preheader 21 %indvar = phi i32 [ %indvar.next, %cond_next102 ], [ 0, %bb16.preheader ] ; <i32> [#uses=2] 22 %ABC.2146.0.rec = mul i32 %indvar, 3 ; <i32> [#uses=1] 23 br i1 false, label %UnifiedReturnBlock.loopexit, label %cond_next102 24 25 cond_next102: ; preds = %bb16 26 %tmp138145.rec = add i32 %ABC.2146.0.rec, 3 ; <i32> [#uses=1] 27 %tmp138145 = getelementptr i8* %ABC, i32 %tmp138145.rec ; <i8*> [#uses=4] 28 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] 29 switch i8 0, label %bb129.loopexit [ 30 i8 0, label %UnifiedReturnBlock.loopexit 31 i8 9, label %UnifiedReturnBlock.loopexit 32 i8 32, label %UnifiedReturnBlock.loopexit 33 i8 35, label %UnifiedReturnBlock.loopexit 34 i8 37, label %bb16 35 ] 36 37 bb129.loopexit: ; preds = %cond_next102 38 br label %bb129 39 40 bb129: ; preds = %bb129.loopexit, %entry 41 ret i8* null 42 43 UnifiedReturnBlock.loopexit: ; preds = %cond_next102, %cond_next102, %cond_next102, %cond_next102, %bb16 44 %UnifiedRetVal.ph = phi i8* [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ null, %bb16 ] ; <i8*> [#uses=0] 45 br label %UnifiedReturnBlock 46 47 UnifiedReturnBlock: ; preds = %UnifiedReturnBlock.loopexit, %entry, %entry, %entry, %entry 48 ret i8* null 49 } 50 51 define i8* @bar() { 52 entry: 53 switch i8 0, label %bb158 [ 54 i8 37, label %bb74 55 i8 58, label %cond_true 56 i8 64, label %bb11 57 ] 58 59 bb11: ; preds = %entry 60 ret i8* null 61 62 cond_true: ; preds = %entry 63 ret i8* null 64 65 bb74: ; preds = %entry 66 ret i8* null 67 68 bb158: ; preds = %entry 69 ret i8* null 70 } 71 72
