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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 42; RUN: opt -S -passes=loop-unroll -unroll-runtime < %s | FileCheck %s3 4declare void @foo()5 6define void @test(i128 %n, i128 %m) {7; CHECK-LABEL: define void @test(8; CHECK-SAME: i128 [[N:%.*]], i128 [[M:%.*]]) {9; CHECK-NEXT: entry:10; CHECK-NEXT: [[TMP0:%.*]] = freeze i128 [[N]]11; CHECK-NEXT: [[TMP1:%.*]] = add i128 [[TMP0]], -112; CHECK-NEXT: [[XTRAITER:%.*]] = and i128 [[TMP0]], 713; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i128 [[TMP1]], 714; CHECK-NEXT: br i1 [[TMP2]], label [[LOOP_EPIL_PREHEADER:%.*]], label [[ENTRY_NEW:%.*]]15; CHECK: entry.new:16; CHECK-NEXT: [[UNROLL_ITER:%.*]] = sub i128 [[TMP0]], [[XTRAITER]]17; CHECK-NEXT: br label [[LOOP:%.*]]18; CHECK: loop:19; CHECK-NEXT: [[IV:%.*]] = phi i128 [ 0, [[ENTRY_NEW]] ], [ [[IV_NEXT_7:%.*]], [[LOOP]] ]20; CHECK-NEXT: [[NITER:%.*]] = phi i128 [ 0, [[ENTRY_NEW]] ], [ [[NITER_NEXT_7:%.*]], [[LOOP]] ]21; CHECK-NEXT: call void @foo()22; CHECK-NEXT: call void @foo()23; CHECK-NEXT: call void @foo()24; CHECK-NEXT: call void @foo()25; CHECK-NEXT: call void @foo()26; CHECK-NEXT: call void @foo()27; CHECK-NEXT: call void @foo()28; CHECK-NEXT: call void @foo()29; CHECK-NEXT: [[IV_NEXT_7]] = add i128 [[IV]], 830; CHECK-NEXT: [[NITER_NEXT_7]] = add i128 [[NITER]], 831; CHECK-NEXT: [[NITER_NCMP_7:%.*]] = icmp ne i128 [[NITER_NEXT_7]], [[UNROLL_ITER]]32; CHECK-NEXT: br i1 [[NITER_NCMP_7]], label [[LOOP]], label [[EXIT_UNR_LCSSA:%.*]]33; CHECK: exit.unr-lcssa:34; CHECK-NEXT: [[IV_UNR:%.*]] = phi i128 [ [[IV_NEXT_7]], [[LOOP]] ]35; CHECK-NEXT: [[LCMP_MOD:%.*]] = icmp ne i128 [[XTRAITER]], 036; CHECK-NEXT: br i1 [[LCMP_MOD]], label [[LOOP_EPIL_PREHEADER]], label [[EXIT:%.*]]37; CHECK: loop.epil.preheader:38; CHECK-NEXT: [[IV_EPIL_INIT:%.*]] = phi i128 [ 0, [[ENTRY:%.*]] ], [ [[IV_UNR]], [[EXIT_UNR_LCSSA]] ]39; CHECK-NEXT: [[LCMP_MOD1:%.*]] = icmp ne i128 [[XTRAITER]], 040; CHECK-NEXT: call void @llvm.assume(i1 [[LCMP_MOD1]])41; CHECK-NEXT: br label [[LOOP_EPIL:%.*]]42; CHECK: loop.epil:43; CHECK-NEXT: [[IV_EPIL:%.*]] = phi i128 [ [[IV_EPIL_INIT]], [[LOOP_EPIL_PREHEADER]] ], [ [[IV_NEXT_EPIL:%.*]], [[LOOP_EPIL]] ]44; CHECK-NEXT: [[EPIL_ITER:%.*]] = phi i128 [ 0, [[LOOP_EPIL_PREHEADER]] ], [ [[EPIL_ITER_NEXT:%.*]], [[LOOP_EPIL]] ]45; CHECK-NEXT: call void @foo()46; CHECK-NEXT: [[IV_NEXT_EPIL]] = add i128 [[IV_EPIL]], 147; CHECK-NEXT: [[CMP_EPIL:%.*]] = icmp ne i128 [[IV_NEXT_EPIL]], [[N]]48; CHECK-NEXT: [[EPIL_ITER_NEXT]] = add i128 [[EPIL_ITER]], 149; CHECK-NEXT: [[EPIL_ITER_CMP:%.*]] = icmp ne i128 [[EPIL_ITER_NEXT]], [[XTRAITER]]50; CHECK-NEXT: br i1 [[EPIL_ITER_CMP]], label [[LOOP_EPIL]], label [[EXIT_EPILOG_LCSSA:%.*]], !llvm.loop [[LOOP0:![0-9]+]]51; CHECK: exit.epilog-lcssa:52; CHECK-NEXT: br label [[EXIT]]53; CHECK: exit:54; CHECK-NEXT: ret void55;56entry:57 br label %loop58 59loop:60 %iv = phi i128 [ 0, %entry ], [ %iv.next, %loop ]61 call void @foo()62 %iv.next = add i128 %iv, 163 %cmp = icmp ne i128 %iv.next, %n64 br i1 %cmp, label %loop, label %exit65 66exit:67 ret void68}69;.70; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]]}71; CHECK: [[META1]] = !{!"llvm.loop.unroll.disable"}72;.73