; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -loop-unroll -unroll-force-peel-count=1 | FileCheck %s
; RUN: opt < %s -S -passes='loop-unroll<peeling;no-runtime>' -unroll-force-peel-count=1 | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; Loop peeling must result in valid scope declartions
define internal fastcc void @test01(i8* %p0, i8* %p1, i8* %p2) unnamed_addr align 2 {
; CHECK-LABEL: @test01(
; CHECK-NEXT: for.body47.lr.ph:
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !0)
; CHECK-NEXT: br label [[FOR_BODY47_PEEL_BEGIN:%.*]]
; CHECK: for.body47.peel.begin:
; CHECK-NEXT: br label [[FOR_BODY47_PEEL:%.*]]
; CHECK: for.body47.peel:
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !3)
; CHECK-NEXT: store i8 42, i8* [[P0:%.*]], align 1, !alias.scope !3
; CHECK-NEXT: store i8 43, i8* [[P1:%.*]], align 1, !alias.scope !0
; CHECK-NEXT: store i8 44, i8* [[P2:%.*]], align 1, !alias.scope !5
; CHECK-NEXT: store i8 42, i8* [[P0]], align 1, !noalias !3
; CHECK-NEXT: store i8 43, i8* [[P1]], align 1, !noalias !0
; CHECK-NEXT: store i8 44, i8* [[P2]], align 1, !noalias !5
; CHECK-NEXT: [[CMP52_PEEL:%.*]] = icmp eq i32 0, 0
; CHECK-NEXT: br i1 [[CMP52_PEEL]], label [[COND_TRUE_PEEL:%.*]], label [[COND_END_PEEL:%.*]]
; CHECK: cond.true.peel:
; CHECK-NEXT: store i8 52, i8* [[P0]], align 1, !alias.scope !3
; CHECK-NEXT: store i8 53, i8* [[P1]], align 1, !alias.scope !0
; CHECK-NEXT: store i8 54, i8* [[P2]], align 1, !alias.scope !5
; CHECK-NEXT: store i8 52, i8* [[P0]], align 1, !noalias !3
; CHECK-NEXT: store i8 53, i8* [[P1]], align 1, !noalias !0
; CHECK-NEXT: store i8 54, i8* [[P2]], align 1, !noalias !5
; CHECK-NEXT: br label [[COND_END_PEEL]]
; CHECK: cond.end.peel:
; CHECK-NEXT: store i8 62, i8* [[P0]], align 1, !alias.scope !3
; CHECK-NEXT: store i8 63, i8* [[P1]], align 1, !alias.scope !0
; CHECK-NEXT: store i8 64, i8* [[P2]], align 1, !alias.scope !5
; CHECK-NEXT: store i8 62, i8* [[P0]], align 1, !noalias !3
; CHECK-NEXT: store i8 63, i8* [[P1]], align 1, !noalias !0
; CHECK-NEXT: store i8 64, i8* [[P2]], align 1, !noalias !5
; CHECK-NEXT: [[INC_PEEL:%.*]] = add nuw i32 0, 1
; CHECK-NEXT: [[EXITCOND_NOT_PEEL:%.*]] = icmp eq i32 [[INC_PEEL]], undef
; CHECK-NEXT: br i1 [[EXITCOND_NOT_PEEL]], label [[FOR_COND_CLEANUP46:%.*]], label [[FOR_BODY47_PEEL_NEXT:%.*]]
; CHECK: for.body47.peel.next:
; CHECK-NEXT: br label [[FOR_BODY47_PEEL_NEXT1:%.*]]
; CHECK: for.body47.peel.next1:
; CHECK-NEXT: br label [[FOR_BODY47_LR_PH_PEEL_NEWPH:%.*]]
; CHECK: for.body47.lr.ph.peel.newph:
; CHECK-NEXT: br label [[FOR_BODY47:%.*]]
; CHECK: for.cond.cleanup46.loopexit:
; CHECK-NEXT: br label [[FOR_COND_CLEANUP46]]
; CHECK: for.cond.cleanup46:
; CHECK-NEXT: ret void
; CHECK: for.body47:
; CHECK-NEXT: [[J_02:%.*]] = phi i32 [ [[INC_PEEL]], [[FOR_BODY47_LR_PH_PEEL_NEWPH]] ], [ [[INC:%.*]], [[COND_END:%.*]] ]
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !6)
; CHECK-NEXT: store i8 42, i8* [[P0]], align 1, !alias.scope !6
; CHECK-NEXT: store i8 43, i8* [[P1]], align 1, !alias.scope !0
; CHECK-NEXT: store i8 44, i8* [[P2]], align 1, !alias.scope !8
; CHECK-NEXT: store i8 42, i8* [[P0]], align 1, !noalias !6
; CHECK-NEXT: store i8 43, i8* [[P1]], align 1, !noalias !0
; CHECK-NEXT: store i8 44, i8* [[P2]], align 1, !noalias !8
; CHECK-NEXT: br i1 false, label [[COND_TRUE:%.*]], label [[COND_END]]
; CHECK: cond.true:
; CHECK-NEXT: store i8 52, i8* [[P0]], align 1, !alias.scope !6
; CHECK-NEXT: store i8 53, i8* [[P1]], align 1, !alias.scope !0
; CHECK-NEXT: store i8 54, i8* [[P2]], align 1, !alias.scope !8
; CHECK-NEXT: store i8 52, i8* [[P0]], align 1, !noalias !6
; CHECK-NEXT: store i8 53, i8* [[P1]], align 1, !noalias !0
; CHECK-NEXT: store i8 54, i8* [[P2]], align 1, !noalias !8
; CHECK-NEXT: br label [[COND_END]]
; CHECK: cond.end:
; CHECK-NEXT: store i8 62, i8* [[P0]], align 1, !alias.scope !6
; CHECK-NEXT: store i8 63, i8* [[P1]], align 1, !alias.scope !0
; CHECK-NEXT: store i8 64, i8* [[P2]], align 1, !alias.scope !8
; CHECK-NEXT: store i8 62, i8* [[P0]], align 1, !noalias !6
; CHECK-NEXT: store i8 63, i8* [[P1]], align 1, !noalias !0
; CHECK-NEXT: store i8 64, i8* [[P2]], align 1, !noalias !8
; CHECK-NEXT: [[INC]] = add nuw i32 [[J_02]], 1
; CHECK-NEXT: br i1 undef, label [[FOR_COND_CLEANUP46_LOOPEXIT:%.*]], label [[FOR_BODY47]], [[LOOP9:!llvm.loop !.*]]
;
for.body47.lr.ph:
call void @llvm.experimental.noalias.scope.decl(metadata !5)
br label %for.body47
for.cond.cleanup46: ; preds = %cond.end
ret void
for.body47: ; preds = %cond.end, %for.body47.lr.ph
%j.02 = phi i32 [ 0, %for.body47.lr.ph ], [ %inc, %cond.end ]
call void @llvm.experimental.noalias.scope.decl(metadata !0)
store i8 42, i8* %p0, !alias.scope !0
store i8 43, i8* %p1, !alias.scope !5
store i8 44, i8* %p2, !alias.scope !7
store i8 42, i8* %p0, !noalias !0
store i8 43, i8* %p1, !noalias !5
store i8 44, i8* %p2, !noalias !7
%cmp52 = icmp eq i32 %j.02, 0
br i1 %cmp52, label %cond.true, label %cond.end
cond.true: ; preds = %for.body47
store i8 52, i8* %p0, !alias.scope !0
store i8 53, i8* %p1, !alias.scope !5
store i8 54, i8* %p2, !alias.scope !7
store i8 52, i8* %p0, !noalias !0
store i8 53, i8* %p1, !noalias !5
store i8 54, i8* %p2, !noalias !7
br label %cond.end
cond.end: ; preds = %cond.true, %for.body47
store i8 62, i8* %p0, !alias.scope !0
store i8 63, i8* %p1, !alias.scope !5
store i8 64, i8* %p2, !alias.scope !7
store i8 62, i8* %p0, !noalias !0
store i8 63, i8* %p1, !noalias !5
store i8 64, i8* %p2, !noalias !7
%inc = add nuw i32 %j.02, 1
%exitcond.not = icmp eq i32 %inc, undef
br i1 %exitcond.not, label %for.cond.cleanup46, label %for.body47, !llvm.loop !3
}
; Function Attrs: inaccessiblememonly nofree nosync nounwind willreturn
declare void @llvm.experimental.noalias.scope.decl(metadata) #0
attributes #0 = { inaccessiblememonly nofree nosync nounwind willreturn }
!0 = !{!1}
!1 = distinct !{!1, !2, !"foo: %inner.result"}
!2 = distinct !{!2, !"foo"}
!3 = distinct !{!3, !4}
!4 = !{!"llvm.loop.mustprogress"}
!5 = !{!6}
!6 = distinct !{!6, !2, !"foo: %outer.result"}
!7 = !{!1, !6}
; CHECK: !0 = !{!1}
; CHECK: !1 = distinct !{!1, !2, !"foo: %outer.result"}
; CHECK: !2 = distinct !{!2, !"foo"}
; CHECK: !3 = !{!4}
; CHECK: !4 = distinct !{!4, !2, !"foo: %inner.result:Peel0"}
; CHECK: !5 = !{!4, !1}
; CHECK: !6 = !{!7}
; CHECK: !7 = distinct !{!7, !2, !"foo: %inner.result"}
; CHECK: !8 = !{!7, !1}
; CHECK: !9 = distinct !{!9, !10, !11, !12}
; CHECK: !10 = !{!"llvm.loop.mustprogress"}
; CHECK: !11 = !{!"llvm.loop.peeled.count", i32 1}
; CHECK: !12 = !{!"llvm.loop.unroll.disable"}