1; RUN: opt -S -simplifycfg < %s -mtriple=x86_64-apple-darwin12.0.0 | FileCheck %s
2; rdar://17735071
3target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
4target triple = "x86_64-apple-darwin12.0.0"
5
6; When tableindex can't fit into i2, we should extend the type to i3.
7; CHECK-LABEL: @_TFO6reduce1E5toRawfS0_FT_Si
8; CHECK: entry:
9; CHECK-NEXT: sub i2 %0, -2
10; CHECK-NEXT: zext i2 %switch.tableidx to i3
11; CHECK-NEXT: getelementptr inbounds [4 x i64], [4 x i64]* @switch.table, i32 0, i3 %switch.tableidx.zext
12; CHECK-NEXT: load i64, i64* %switch.gep
13; CHECK-NEXT: ret i64 %switch.load
14define i64 @_TFO6reduce1E5toRawfS0_FT_Si(i2) {
15entry:
16  switch i2 %0, label %1 [
17    i2 0, label %2
18    i2 1, label %3
19    i2 -2, label %4
20    i2 -1, label %5
21  ]
22
23; <label>:1                                       ; preds = %entry
24  unreachable
25
26; <label>:2                                       ; preds = %2
27  br label %6
28
29; <label>:3                                       ; preds = %4
30  br label %6
31
32; <label>:4                                       ; preds = %6
33  br label %6
34
35; <label>:5                                       ; preds = %8
36  br label %6
37
38; <label>:6                                      ; preds = %3, %5, %7, %9
39  %7 = phi i64 [ 3, %5 ], [ 2, %4 ], [ 1, %3 ], [ 0, %2 ]
40  ret i64 %7
41}
42