forked from OSchip/llvm-project
53 lines
1.7 KiB
LLVM
53 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S -simplifycfg -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://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
|
|
}
|