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|
; RUN: opt < %s -lowerswitch -S | FileCheck %s
; We have switch on input.
; On output we should got binary comparison tree. Check that all is fine.
;CHECK: entry:
;CHECK-NEXT: br label %NodeBlock37
;CHECK: NodeBlock37: ; preds = %entry
;CHECK-NEXT: %Pivot38 = icmp ult i32 %tmp158, 11
;CHECK-NEXT: br i1 %Pivot38, label %NodeBlock13, label %NodeBlock35
;CHECK: NodeBlock35: ; preds = %NodeBlock37
;CHECK-NEXT: %Pivot36 = icmp ult i32 %tmp158, 14
;CHECK-NEXT: br i1 %Pivot36, label %NodeBlock23, label %NodeBlock33
;CHECK: NodeBlock33: ; preds = %NodeBlock35
;CHECK-NEXT: %Pivot34 = icmp ult i32 %tmp158, 15
;CHECK-NEXT: br i1 %Pivot34, label %LeafBlock25, label %NodeBlock31
;CHECK: NodeBlock31: ; preds = %NodeBlock33
;CHECK-NEXT: %Pivot32 = icmp ult i32 %tmp158, -6
;CHECK-NEXT: br i1 %Pivot32, label %LeafBlock27, label %LeafBlock29
;CHECK: LeafBlock29: ; preds = %NodeBlock31
;CHECK-NEXT: %tmp158.off = add i32 %tmp158, 6
;CHECK-NEXT: %SwitchLeaf30 = icmp ule i32 %tmp158.off, 4
;CHECK-NEXT: br i1 %SwitchLeaf30, label %bb338, label %NewDefault
;CHECK: LeafBlock27: ; preds = %NodeBlock31
;CHECK-NEXT: %SwitchLeaf28 = icmp eq i32 %tmp158, 15
;CHECK-NEXT: br i1 %SwitchLeaf28, label %bb334, label %NewDefault
;CHECK: LeafBlock25: ; preds = %NodeBlock33
;CHECK-NEXT: %SwitchLeaf26 = icmp eq i32 %tmp158, 14
;CHECK-NEXT: br i1 %SwitchLeaf26, label %bb332, label %NewDefault
;CHECK: NodeBlock23: ; preds = %NodeBlock35
;CHECK-NEXT: %Pivot24 = icmp ult i32 %tmp158, 12
;CHECK-NEXT: br i1 %Pivot24, label %LeafBlock15, label %NodeBlock21
;CHECK: NodeBlock21: ; preds = %NodeBlock23
;CHECK-NEXT: %Pivot22 = icmp ult i32 %tmp158, 13
;CHECK-NEXT: br i1 %Pivot22, label %LeafBlock17, label %LeafBlock19
;CHECK: LeafBlock19: ; preds = %NodeBlock21
;CHECK-NEXT: %SwitchLeaf20 = icmp eq i32 %tmp158, 13
;CHECK-NEXT: br i1 %SwitchLeaf20, label %bb330, label %NewDefault
;CHECK: LeafBlock17: ; preds = %NodeBlock21
;CHECK-NEXT: %SwitchLeaf18 = icmp eq i32 %tmp158, 12
;CHECK-NEXT: br i1 %SwitchLeaf18, label %bb328, label %NewDefault
;CHECK: LeafBlock15: ; preds = %NodeBlock23
;CHECK-NEXT: %SwitchLeaf16 = icmp eq i32 %tmp158, 11
;CHECK-NEXT: br i1 %SwitchLeaf16, label %bb326, label %NewDefault
;CHECK: NodeBlock13: ; preds = %NodeBlock37
;CHECK-NEXT: %Pivot14 = icmp ult i32 %tmp158, 8
;CHECK-NEXT: br i1 %Pivot14, label %NodeBlock, label %NodeBlock11
;CHECK: NodeBlock11: ; preds = %NodeBlock13
;CHECK-NEXT: %Pivot12 = icmp ult i32 %tmp158, 9
;CHECK-NEXT: br i1 %Pivot12, label %LeafBlock3, label %NodeBlock9
;CHECK: NodeBlock9: ; preds = %NodeBlock11
;CHECK-NEXT: %Pivot10 = icmp ult i32 %tmp158, 10
;CHECK-NEXT: br i1 %Pivot10, label %LeafBlock5, label %LeafBlock7
;CHECK: LeafBlock7: ; preds = %NodeBlock9
;CHECK-NEXT: %SwitchLeaf8 = icmp eq i32 %tmp158, 10
;CHECK-NEXT: br i1 %SwitchLeaf8, label %bb324, label %NewDefault
;CHECK: LeafBlock5: ; preds = %NodeBlock9
;CHECK-NEXT: %SwitchLeaf6 = icmp eq i32 %tmp158, 9
;CHECK-NEXT: br i1 %SwitchLeaf6, label %bb322, label %NewDefault
;CHECK: LeafBlock3: ; preds = %NodeBlock11
;CHECK-NEXT: %SwitchLeaf4 = icmp eq i32 %tmp158, 8
;CHECK-NEXT: br i1 %SwitchLeaf4, label %bb338, label %NewDefault
;CHECK: NodeBlock: ; preds = %NodeBlock13
;CHECK-NEXT: %Pivot = icmp ult i32 %tmp158, 7
;CHECK-NEXT: br i1 %Pivot, label %LeafBlock, label %LeafBlock1
;CHECK: LeafBlock1: ; preds = %NodeBlock
;CHECK-NEXT: %SwitchLeaf2 = icmp eq i32 %tmp158, 7
;CHECK-NEXT: br i1 %SwitchLeaf2, label %bb, label %NewDefault
;CHECK: LeafBlock: ; preds = %NodeBlock
;CHECK-NEXT: %SwitchLeaf = icmp ule i32 %tmp158, 6
;CHECK-NEXT: br i1 %SwitchLeaf, label %bb338, label %NewDefault
define i32 @main(i32 %tmp158) {
entry:
switch i32 %tmp158, label %bb336 [
i32 -2, label %bb338
i32 -3, label %bb338
i32 -4, label %bb338
i32 -5, label %bb338
i32 -6, label %bb338
i32 0, label %bb338
i32 1, label %bb338
i32 2, label %bb338
i32 3, label %bb338
i32 4, label %bb338
i32 5, label %bb338
i32 6, label %bb338
i32 7, label %bb
i32 8, label %bb338
i32 9, label %bb322
i32 10, label %bb324
i32 11, label %bb326
i32 12, label %bb328
i32 13, label %bb330
i32 14, label %bb332
i32 15, label %bb334
]
bb:
ret i32 2
bb322:
ret i32 3
bb324:
ret i32 4
bb326:
ret i32 5
bb328:
ret i32 6
bb330:
ret i32 7
bb332:
ret i32 8
bb334:
ret i32 9
bb336:
ret i32 10
bb338:
ret i32 11
}
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