| ; 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"} |