; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -S -loop-unroll -unroll-force-peel-count=1 -verify-scev -verify-dom-info | FileCheck %s define void @test1(i32 %k) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[FOR_BODY_PEEL_BEGIN:%.*]] ; CHECK: for.body.peel.begin: ; CHECK-NEXT: br label [[FOR_BODY_PEEL:%.*]] ; CHECK: for.body.peel: ; CHECK-NEXT: [[INC_PEEL:%.*]] = add nsw i32 0, 1 ; CHECK-NEXT: [[CMP_PEEL:%.*]] = icmp ult i32 0, [[K:%.*]] ; CHECK-NEXT: br i1 [[CMP_PEEL]], label [[FOR_BODY_PEEL_NEXT:%.*]], label [[FOR_END:%.*]] ; CHECK: for.body.peel.next: ; CHECK-NEXT: br label [[FOR_BODY_PEEL_NEXT1:%.*]] ; CHECK: for.body.peel.next1: ; CHECK-NEXT: br label [[ENTRY_PEEL_NEWPH:%.*]] ; CHECK: entry.peel.newph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[I_05:%.*]] = phi i32 [ [[INC_PEEL]], [[ENTRY_PEEL_NEWPH]] ], [ [[INC:%.*]], [[FOR_BODY]] ] ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_05]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[I_05]], [[K]] ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END_LOOPEXIT:%.*]], !llvm.loop !0 ; CHECK: for.end.loopexit: ; CHECK-NEXT: br label [[FOR_END]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; entry: br label %for.body for.body: %i.05 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %inc = add nsw i32 %i.05, 1 %cmp = icmp ult i32 %i.05, %k br i1 %cmp, label %for.body, label %for.end for.end: ret void }