1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -S -simplifycfg -switch-to-lookup < %s -mtriple=x86_64-apple-darwin12.0.0 | FileCheck %s
3 ; RUN: opt -S -passes='simplify-cfg<switch-to-lookup>' < %s -mtriple=x86_64-apple-darwin12.0.0 | FileCheck %s
6 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"
7 target triple = "x86_64-apple-darwin12.0.0"
9 define i64 @test(i3 %arg) {
12 ; CHECK-NEXT: [[SWITCH_TABLEIDX:%.*]] = sub i3 [[ARG:%.*]], -4
13 ; CHECK-NEXT: [[SWITCH_TABLEIDX_ZEXT:%.*]] = zext i3 [[SWITCH_TABLEIDX]] to i4
14 ; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [8 x i64], [8 x i64]* @switch.table.test, i32 0, i4 [[SWITCH_TABLEIDX_ZEXT]]
15 ; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load i64, i64* [[SWITCH_GEP]]
16 ; CHECK-NEXT: [[V3:%.*]] = add i64 [[SWITCH_LOAD]], 0
17 ; CHECK-NEXT: ret i64 [[V3]]
20 switch i3 %arg, label %Default [
30 %v1 = phi i64 [ 7, %Label6 ], [ 11, %Label5 ], [ 6, %Label4 ], [ 13, %Label3 ], [ 9, %Label2 ], [ 15, %Label1 ], [ 8, %entry ]
31 %v2 = phi i64 [ 0, %Label6 ], [ 0, %Label5 ], [ 0, %Label4 ], [ 0, %Label3 ], [ 0, %Label2 ], [ 0, %Label1 ], [ 0, %entry ]
32 %v3 = add i64 %v1, %v2