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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -S -passes=loop-unroll -unroll-force-peel-count=1 -verify-scev -verify-dom-info | FileCheck %s3 4 5define void @test1(i32 %k) {6; CHECK-LABEL: @test1(7; CHECK-NEXT: entry:8; CHECK-NEXT: br label [[FOR_BODY_PEEL_BEGIN:%.*]]9; CHECK: for.body.peel.begin:10; CHECK-NEXT: br label [[FOR_BODY_PEEL:%.*]]11; CHECK: for.body.peel:12; CHECK-NEXT: [[INC_PEEL:%.*]] = add nsw i32 0, 113; CHECK-NEXT: [[CMP_PEEL:%.*]] = icmp ult i32 0, [[K:%.*]]14; CHECK-NEXT: br i1 [[CMP_PEEL]], label [[FOR_BODY_PEEL_NEXT:%.*]], label [[FOR_END:%.*]]15; CHECK: for.body.peel.next:16; CHECK-NEXT: br label [[FOR_BODY_PEEL_NEXT1:%.*]]17; CHECK: for.body.peel.next1:18; CHECK-NEXT: br label [[ENTRY_PEEL_NEWPH:%.*]]19; CHECK: entry.peel.newph:20; CHECK-NEXT: br label [[FOR_BODY:%.*]]21; CHECK: for.body:22; CHECK-NEXT: [[I_05:%.*]] = phi i32 [ [[INC_PEEL]], [[ENTRY_PEEL_NEWPH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]23; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_05]], 124; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[I_05]], [[K]]25; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT:%.*]], !llvm.loop !026; CHECK: for.end.loopexit:27; CHECK-NEXT: br label [[FOR_END]]28; CHECK: for.end:29; CHECK-NEXT: ret void30;31entry:32 br label %for.body33 34for.body:35 %i.05 = phi i32 [ 0, %entry ], [ %inc, %for.body ]36 %inc = add nsw i32 %i.05, 137 %cmp = icmp ult i32 %i.05, %k38 br i1 %cmp, label %for.body, label %for.end39 40for.end:41 ret void42}43