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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt -passes="default<O3>" -enable-merge-functions -S < %s | FileCheck %s3 4target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"5target triple = "x86_64-apple-macosx12.0.0"6 7@switch.table.f = private unnamed_addr constant [8 x i32] [i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 1], align 48@switch.table.g = private unnamed_addr constant [8 x i32] [i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 1], align 49 10define range(i32 0, 2) i32 @f(i32 noundef %x) local_unnamed_addr {11; CHECK-LABEL: define range(i32 0, 2) i32 @f(12; CHECK-SAME: i32 noundef [[X:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {13; CHECK-NEXT: [[ENTRY:.*]]:14; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i32 [[X]], 815; CHECK-NEXT: br i1 [[TMP0]], label %[[SWITCH_LOOKUP:.*]], label %[[SW_EPILOG:.*]]16; CHECK: [[SWITCH_LOOKUP]]:17; CHECK-NEXT: [[TMP1:%.*]] = zext nneg i32 [[X]] to i6418; CHECK-NEXT: [[SWITCH_GEP:%.*]] = getelementptr inbounds nuw i32, ptr @switch.table.g, i64 [[TMP1]]19; CHECK-NEXT: [[SWITCH_LOAD:%.*]] = load i32, ptr [[SWITCH_GEP]], align 420; CHECK-NEXT: br label %[[SW_EPILOG]]21; CHECK: [[SW_EPILOG]]:22; CHECK-NEXT: [[X_ADDR_0:%.*]] = phi i32 [ [[SWITCH_LOAD]], %[[SWITCH_LOOKUP]] ], [ 0, %[[ENTRY]] ]23; CHECK-NEXT: ret i32 [[X_ADDR_0]]24;25entry:26 %0 = icmp ult i32 %x, 827 br i1 %0, label %switch.lookup, label %sw.epilog28 29switch.lookup: ; preds = %entry30 %1 = zext nneg i32 %x to i6431 %switch.gep = getelementptr inbounds [8 x i32], ptr @switch.table.f, i64 0, i64 %132 %switch.load = load i32, ptr %switch.gep, align 433 br label %sw.epilog34 35sw.epilog: ; preds = %entry, %switch.lookup36 %x.addr.0 = phi i32 [ %switch.load, %switch.lookup ], [ 0, %entry ]37 ret i32 %x.addr.038}39 40define range(i32 0, 2) i32 @g(i32 noundef %x) local_unnamed_addr {41; CHECK-LABEL: define range(i32 0, 2) i32 @g(42; CHECK-SAME: i32 noundef [[TMP0:%.*]]) local_unnamed_addr #[[ATTR0]] {43; CHECK-NEXT: [[TMP2:%.*]] = tail call range(i32 0, 2) i32 @f(i32 noundef [[TMP0]]) #[[ATTR0]]44; CHECK-NEXT: ret i32 [[TMP2]]45;46entry:47 %0 = icmp ult i32 %x, 848 br i1 %0, label %switch.lookup, label %sw.epilog49 50switch.lookup: ; preds = %entry51 %1 = zext nneg i32 %x to i6452 %switch.gep = getelementptr inbounds [8 x i32], ptr @switch.table.g, i64 0, i64 %153 %switch.load = load i32, ptr %switch.gep, align 454 br label %sw.epilog55 56sw.epilog: ; preds = %entry, %switch.lookup57 %x.addr.0 = phi i32 [ %switch.load, %switch.lookup ], [ 0, %entry ]58 ret i32 %x.addr.059}60