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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 22; RUN: opt -loop-reduce -S %s | FileCheck %s3 4target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"5target triple = "arm64-apple-macosx13.0.0"6 7declare void @use(i32)8 9define i32 @test() {10; CHECK-LABEL: define i32 @test() {11; CHECK-NEXT: entry:12; CHECK-NEXT: br label [[LOOP_1:%.*]]13; CHECK: loop.1:14; CHECK-NEXT: [[LSR_IV1:%.*]] = phi i32 [ [[LSR_IV_NEXT2:%.*]], [[LOOP_1]] ], [ -1, [[ENTRY:%.*]] ]15; CHECK-NEXT: [[LSR_IV_NEXT2]] = add i32 [[LSR_IV1]], 116; CHECK-NEXT: br i1 false, label [[LOOP_2_PH:%.*]], label [[LOOP_1]]17; CHECK: loop.2.ph:18; CHECK-NEXT: [[LSR_IV_NEXT2_LCSSA:%.*]] = phi i32 [ [[LSR_IV_NEXT2]], [[LOOP_1]] ]19; CHECK-NEXT: br label [[LOOP_2:%.*]]20; CHECK: loop.2:21; CHECK-NEXT: [[LSR_IV:%.*]] = phi i64 [ [[LSR_IV_NEXT:%.*]], [[LOOP_2]] ], [ 1, [[LOOP_2_PH]] ]22; CHECK-NEXT: [[IV_2:%.*]] = phi i32 [ [[LSR_IV_NEXT2_LCSSA]], [[LOOP_2_PH]] ], [ [[IV_2_NEXT:%.*]], [[LOOP_2]] ]23; CHECK-NEXT: call void @use(i32 [[IV_2]])24; CHECK-NEXT: [[IV_2_NEXT]] = add i32 [[IV_2]], 125; CHECK-NEXT: [[LSR_IV_NEXT]] = add nsw i64 [[LSR_IV]], -126; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[LSR_IV_NEXT]], 027; CHECK-NEXT: br i1 [[EC]], label [[EXIT:%.*]], label [[LOOP_2]]28; CHECK: exit:29; CHECK-NEXT: ret i32 [[IV_2_NEXT]]30;31entry:32 br label %loop.133 34loop.1:35 %iv.1 = phi i32 [ 0, %entry ], [ %iv.1.next, %loop.1 ]36 %iv.1.next = add i32 %iv.1, 137 br i1 false, label %loop.2.ph, label %loop.138 39loop.2.ph:40 br label %loop.241 42loop.2:43 %iv.2 = phi i32 [ %iv.1, %loop.2.ph ], [ %iv.2.next, %loop.2 ]44 %iv.3 = phi i64 [ 0, %loop.2.ph ], [ %iv.3.next, %loop.2 ]45 call void @use(i32 %iv.2)46 %iv.2.next = add i32 %iv.2, 147 %iv.3.next = add i64 %iv.3, 148 %ec = icmp eq i64 %iv.3, 049 br i1 %ec, label %exit, label %loop.250 51exit:52 ret i32 %iv.2.next53}54