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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt %s -S -passes='simplifycfg<switch-to-lookup>' -simplifycfg-require-and-preserve-domtree=1 -switch-range-to-icmp | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
define i64 @test_1(i64 %0) {
; CHECK-LABEL: define i64 @test_1(
; CHECK-SAME: i64 [[TMP0:%.*]]) {
; CHECK-NEXT: switch.lookup:
; CHECK-NEXT: [[TMP1:%.*]] = urem i64 [[TMP0]], 4
; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [4 x i64], ptr @switch.table.test_1, i32 0, i64 [[TMP1]]
; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load i64, ptr [[SWITCH_GEP]], align 8
; CHECK-NEXT: ret i64 [[SWITCH_LOAD]]
;
%2 = urem i64 %0, 4
switch i64 %2, label %5 [
i64 1, label %3
i64 2, label %3
i64 3, label %4
]
3:
br label %5
4:
br label %5
5:
%.0 = phi i64 [ 2, %4 ], [ 1, %3 ], [ 0, %1 ]
ret i64 %.0
}
define i64 @test_2(i64 %0) {
; CHECK-LABEL: define i64 @test_2(
; CHECK-SAME: i64 [[TMP0:%.*]]) {
; CHECK-NEXT: switch.lookup:
; CHECK-NEXT: [[TMP1:%.*]] = urem i64 [[TMP0]], 4
; CHECK-NEXT: ret i64 [[TMP1]]
;
%2 = urem i64 %0, 4
switch i64 %2, label %6 [
i64 1, label %3
i64 2, label %4
i64 3, label %5
]
3:
br label %6
4:
br label %6
5:
br label %6
6:
%.0 = phi i64 [ 0, %1 ], [ 1, %3 ], [ 2, %4 ], [ 3, %5 ]
ret i64 %.0
}
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