; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes="lto<O2>" -S | FileCheck %s target datalayout = "i32:32:32-i64:64:64" target triple = "x86_64--" ; Verify that the "late" simplifycfg options are set. This should get converted into a lookup table. define i32 @f(i32 %c) { ; CHECK-LABEL: @f( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[SWITCH_TABLEIDX:%.*]] = add i32 [[C:%.*]], -42 ; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i32 [[SWITCH_TABLEIDX]], 7 ; CHECK-NEXT: br i1 [[TMP0]], label [[SWITCH_LOOKUP:%.*]], label [[RETURN:%.*]] ; CHECK: switch.lookup: ; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[SWITCH_TABLEIDX]] to i64 ; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds [7 x i32], ptr @switch.table.f, i64 0, i64 [[TMP1]] ; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load i32, ptr [[SWITCH_GEP]], align 4 ; CHECK-NEXT: br label [[RETURN]] ; CHECK: return: ; CHECK-NEXT: [[R:%.*]] = phi i32 [ [[SWITCH_LOAD]], [[SWITCH_LOOKUP]] ], [ 15, [[ENTRY:%.*]] ] ; CHECK-NEXT: ret i32 [[R]] ; entry: switch i32 %c, label %sw.default [ i32 42, label %return i32 43, label %sw.bb1 i32 44, label %sw.bb2 i32 45, label %sw.bb3 i32 46, label %sw.bb4 i32 47, label %sw.bb5 i32 48, label %sw.bb6 ] sw.bb1: br label %return sw.bb2: br label %return sw.bb3: br label %return sw.bb4: br label %return sw.bb5: br label %return sw.bb6: br label %return sw.default: br label %return return: %r = phi i32 [ 15, %sw.default ], [ 1, %sw.bb6 ], [ 62, %sw.bb5 ], [ 27, %sw.bb4 ], [ -1, %sw.bb3 ], [ 0, %sw.bb2 ], [ 123, %sw.bb1 ], [ 55, %entry ] ret i32 %r }