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- ; RUN: opt -simplifycfg -S %s | FileCheck %s
- ; rdar://15268442
- target 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"
- target triple = "x86_64-apple-darwin12.0.0"
- ; CHECK-LABEL: define i3 @coveredswitch_test(
- ; CHECK: entry:
- ; CHECK-NEXT: sub i3 %input, -4
- ; CHECK-NEXT: zext i3 %switch.tableidx to i24
- ; CHECK-NEXT: mul i24 %switch.cast, 3
- ; CHECK-NEXT: lshr i24 7507338, %switch.shiftamt
- ; CHECK-NEXT: trunc i24 %switch.downshift to i3
- ; CHECK-NEXT: ret i3 %switch.masked
- define i3 @coveredswitch_test(i3 %input) {
- entry:
- switch i3 %input, label %bb8 [
- i3 0, label %bb7
- i3 1, label %bb
- i3 2, label %bb3
- i3 3, label %bb4
- i3 4, label %bb5
- i3 5, label %bb6
- ]
- bb: ; preds = %entry
- br label %bb8
- bb3: ; preds = %entry
- br label %bb8
- bb4: ; preds = %entry
- br label %bb8
- bb5: ; preds = %entry
- br label %bb8
- bb6: ; preds = %entry
- br label %bb8
- bb7: ; preds = %entry
- br label %bb8
- bb8: ; preds = %bb7, %bb6, %bb5, %bb4, %bb3, %bb, %entry
- %result = phi i3 [ 0, %bb7 ], [ 1, %bb6 ], [ 2, %bb5 ], [ 3, %bb4 ], [ 4, %bb3 ], [ 5, %bb ], [ 6, %entry ]
- ret i3 %result
- }
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