| ; 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='simplify-cfg<switch-to-lookup>' < %s -mtriple=x86_64-apple-darwin12.0.0 | FileCheck %s |
| |
| ; rdar://17735071 |
| 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 @_TFO6reduce1E5toRawfS0_FT_Si(i2) { |
| ; CHECK-LABEL: @_TFO6reduce1E5toRawfS0_FT_Si( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[SWITCH_TABLEIDX:%.*]] = sub i2 [[TMP0:%.*]], -2 |
| ; CHECK-NEXT: [[SWITCH_TABLEIDX_ZEXT:%.*]] = zext i2 [[SWITCH_TABLEIDX]] to i3 |
| ; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [4 x i64], [4 x i64]* @switch.table._TFO6reduce1E5toRawfS0_FT_Si, i32 0, i3 [[SWITCH_TABLEIDX_ZEXT]] |
| ; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load i64, i64* [[SWITCH_GEP]] |
| ; CHECK-NEXT: ret i64 [[SWITCH_LOAD]] |
| ; |
| entry: |
| switch i2 %0, label %1 [ |
| i2 0, label %2 |
| i2 1, label %3 |
| i2 -2, label %4 |
| i2 -1, label %5 |
| ] |
| |
| ; <label>:1 ; preds = %entry |
| unreachable |
| |
| ; <label>:2 ; preds = %2 |
| br label %6 |
| |
| ; <label>:3 ; preds = %4 |
| br label %6 |
| |
| ; <label>:4 ; preds = %6 |
| br label %6 |
| |
| ; <label>:5 ; preds = %8 |
| br label %6 |
| |
| ; <label>:6 ; preds = %3, %5, %7, %9 |
| %7 = phi i64 [ 3, %5 ], [ 2, %4 ], [ 1, %3 ], [ 0, %2 ] |
| ret i64 %7 |
| } |