; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -jump-threading < %s | FileCheck %s define void @test(i8* %ptr) { ; CHECK-LABEL: @test( ; CHECK-NEXT: entry: ; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !0) ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[I:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_INC:%.*]], [[LATCH:%.*]] ] ; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[I]], 100 ; CHECK-NEXT: br i1 [[C]], label [[EXIT:%.*]], label [[LATCH]] ; CHECK: latch: ; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !3) ; CHECK-NEXT: store i8 0, i8* [[PTR:%.*]], align 1, !noalias !0 ; CHECK-NEXT: store i8 1, i8* [[PTR]], align 1, !noalias !3 ; CHECK-NEXT: [[I_INC]] = add i32 [[I]], 1 ; CHECK-NEXT: br label [[LOOP]] ; CHECK: exit: ; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !5) ; CHECK-NEXT: store i8 0, i8* [[PTR]], align 1, !noalias !0 ; CHECK-NEXT: store i8 1, i8* [[PTR]], align 1, !noalias !5 ; CHECK-NEXT: ret void ; entry: call void @llvm.experimental.noalias.scope.decl(metadata !0) br label %loop loop: %i = phi i32 [ 0, %entry ], [ %i.inc, %latch ] %c = icmp eq i32 %i, 100 br i1 %c, label %if, label %latch if: br label %latch latch: %p = phi i1 [ true, %if ], [ false, %loop ] call void @llvm.experimental.noalias.scope.decl(metadata !3) store i8 0, i8* %ptr, !noalias !0 store i8 1, i8* %ptr, !noalias !3 %i.inc = add i32 %i, 1 br i1 %p, label %exit, label %loop exit: ret void } declare void @llvm.experimental.noalias.scope.decl(metadata) !0 = !{!1} !1 = distinct !{!1, !2, !"scope1"} !2 = distinct !{!2, !"domain"} !3 = !{!4} !4 = distinct !{!4, !2, !"scope2"} ; CHECK: !0 = !{!1} ; CHECK: !1 = distinct !{!1, !2, !"scope1"} ; CHECK: !2 = distinct !{!2, !"domain"} ; CHECK: !3 = !{!4} ; CHECK: !4 = distinct !{!4, !2, !"scope2"} ; CHECK: !5 = !{!6} ; CHECK: !6 = distinct !{!6, !2, !"scope2:thread"}