| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -switch-to-lookup < %s -mtriple=x86_64-apple-darwin12.0.0 | FileCheck %s |
| ; RUN: opt -S -passes='simplifycfg<switch-to-lookup>' < %s -mtriple=x86_64-apple-darwin12.0.0 | FileCheck %s |
| |
| ; rdar://17887153 |
| 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" |
| |
| define i64 @test(i3 %arg) { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[SWITCH_TABLEIDX:%.*]] = sub i3 [[ARG:%.*]], -4 |
| ; CHECK-NEXT: [[SWITCH_TABLEIDX_ZEXT:%.*]] = zext i3 [[SWITCH_TABLEIDX]] to i4 |
| ; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [8 x i64], [8 x i64]* @switch.table.test, i32 0, i4 [[SWITCH_TABLEIDX_ZEXT]] |
| ; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load i64, i64* [[SWITCH_GEP]] |
| ; CHECK-NEXT: [[V3:%.*]] = add i64 [[SWITCH_LOAD]], 0 |
| ; CHECK-NEXT: ret i64 [[V3]] |
| ; |
| entry: |
| switch i3 %arg, label %Default [ |
| i3 -2, label %Label6 |
| i3 1, label %Label1 |
| i3 2, label %Label2 |
| i3 3, label %Label3 |
| i3 -4, label %Label4 |
| i3 -3, label %Label5 |
| ] |
| |
| Default: |
| %v1 = phi i64 [ 7, %Label6 ], [ 11, %Label5 ], [ 6, %Label4 ], [ 13, %Label3 ], [ 9, %Label2 ], [ 15, %Label1 ], [ 8, %entry ] |
| %v2 = phi i64 [ 0, %Label6 ], [ 0, %Label5 ], [ 0, %Label4 ], [ 0, %Label3 ], [ 0, %Label2 ], [ 0, %Label1 ], [ 0, %entry ] |
| %v3 = add i64 %v1, %v2 |
| ret i64 %v3 |
| |
| Label1: |
| br label %Default |
| |
| Label2: |
| br label %Default |
| |
| Label3: |
| br label %Default |
| |
| Label4: |
| br label %Default |
| |
| Label5: |
| br label %Default |
| |
| Label6: |
| br label %Default |
| } |