; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --scrub-attributes --check-globals ; RUN: opt -passes=simplifycfg --switch-to-lookup -S %s | FileCheck %s target triple = "x86_64-unknown-linux-gnu" ;. ; CHECK: @[[SWITCH_TABLE_SWITCH_TO_LOOKUP_I64:[a-zA-Z0-9_$"\\.-]+]] = private unnamed_addr constant [3 x i8] c"\03\01\02", align 1 ; CHECK: @[[SWITCH_TABLE_SWITCH_TO_LOOKUP_I128:[a-zA-Z0-9_$"\\.-]+]] = private unnamed_addr constant [3 x i8] c"\03\01\02", align 1 ;. define i8 @switch_to_lookup_i64(i128 %x){ ; CHECK-LABEL: @switch_to_lookup_i64( ; CHECK-NEXT: start: ; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i128 [[X:%.*]], 3 ; CHECK-NEXT: br i1 [[TMP0]], label [[SWITCH_LOOKUP:%.*]], label [[COMMON_RET:%.*]] ; CHECK: common.ret: ; CHECK-NEXT: [[COMMON_RET_OP:%.*]] = phi i8 [ [[SWITCH_LOAD:%.*]], [[SWITCH_LOOKUP]] ], [ 10, [[START:%.*]] ] ; CHECK-NEXT: ret i8 [[COMMON_RET_OP]] ; CHECK: switch.lookup: ; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [3 x i8], ptr @switch.table.switch_to_lookup_i64, i32 0, i128 [[X]] ; CHECK-NEXT: [[SWITCH_LOAD]] = load i8, ptr [[SWITCH_GEP]], align 1 ; CHECK-NEXT: br label [[COMMON_RET]] ; start: switch i128 %x, label %default [ i128 0, label %end i128 1, label %bb1 i128 2, label %bb2 ] bb1: br label %end bb2: br label %end default: ret i8 10 end: %p = phi i8 [ 1, %bb1 ], [ 2, %bb2 ], [ 3, %start ] ret i8 %p } define i8 @switch_to_lookup_i128(i128 %x){ ; CHECK-LABEL: @switch_to_lookup_i128( ; CHECK-NEXT: start: ; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i128 [[X:%.*]], 3 ; CHECK-NEXT: br i1 [[TMP0]], label [[SWITCH_LOOKUP:%.*]], label [[COMMON_RET:%.*]] ; CHECK: common.ret: ; CHECK-NEXT: [[COMMON_RET_OP:%.*]] = phi i8 [ [[SWITCH_LOAD:%.*]], [[SWITCH_LOOKUP]] ], [ 10, [[START:%.*]] ] ; CHECK-NEXT: ret i8 [[COMMON_RET_OP]] ; CHECK: switch.lookup: ; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [3 x i8], ptr @switch.table.switch_to_lookup_i128, i32 0, i128 [[X]] ; CHECK-NEXT: [[SWITCH_LOAD]] = load i8, ptr [[SWITCH_GEP]], align 1 ; CHECK-NEXT: br label [[COMMON_RET]] ; start: switch i128 %x, label %default [ i128 0, label %end i128 1, label %bb1 i128 2, label %bb2 ] bb1: br label %end bb2: br label %end default: ret i8 10 end: %p = phi i8 [ 1, %bb1 ], [ 2, %bb2 ], [ 3, %start ] ret i8 %p }