; RUN: opt %loadPolly -polly-use-runtime-alias-checks=false -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -analyze < %s 2>&1| FileCheck %s ;void f(int A[], int B[]) { ; for (int i=0; i<42; i++) ; A[i] = B[i]; ;} ; CHECK: remark: ReportAlias-01.c:2:8: The following errors keep this region from being a Scop. ; CHECK: remark: ReportAlias-01.c:3:5: Accesses to the arrays "B", "A" may access the same memory. ; CHECK: remark: ReportAlias-01.c:3:5: Invalid Scop candidate ends here. target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" define void @f(i32* %A, i32* %B) { entry: br label %entry.split entry.split: ; preds = %entry tail call void @llvm.dbg.value(metadata !{i32* %A}, i64 0, metadata !13), !dbg !14 tail call void @llvm.dbg.value(metadata !{i32* %B}, i64 0, metadata !15), !dbg !16 tail call void @llvm.dbg.value(metadata !17, i64 0, metadata !18), !dbg !20 br label %for.body, !dbg !21 for.body: ; preds = %entry.split, %for.body %indvar = phi i64 [ 0, %entry.split ], [ %indvar.next, %for.body ] %arrayidx = getelementptr i32* %B, i64 %indvar, !dbg !22 %arrayidx2 = getelementptr i32* %A, i64 %indvar, !dbg !22 %0 = load i32* %arrayidx, align 4, !dbg !22 store i32 %0, i32* %arrayidx2, align 4, !dbg !22 tail call void @llvm.dbg.value(metadata !{null}, i64 0, metadata !18), !dbg !20 %indvar.next = add i64 %indvar, 1, !dbg !21 %exitcond = icmp ne i64 %indvar.next, 42, !dbg !21 br i1 %exitcond, label %for.body, label %for.end, !dbg !21 for.end: ; preds = %for.body ret void, !dbg !23 } declare void @llvm.dbg.declare(metadata, metadata) declare void @llvm.dbg.value(metadata, i64, metadata) !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!10, !11} !llvm.ident = !{!12} !0 = metadata !{metadata !"0x11\0012\00clang version 3.6.0 \000\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [test/ScopDetectionDiagnostic/ReportAlias-01.c] [DW_LANG_C99] !1 = metadata !{metadata !"ReportAlias-01.c", metadata !"test/ScopDetectionDiagnostic/"} !2 = metadata !{} !3 = metadata !{metadata !4} !4 = metadata !{metadata !"0x2e\00f\00f\00\001\000\001\000\006\00256\000\001", metadata !1, metadata !5, metadata !6, null, void (i32*, i32*)* @f, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 1] [def] [f] !5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [test/ScopDetectionDiagnostic/ReportAlias-01.c] !6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !7 = metadata !{null, metadata !8, metadata !8} !8 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !9} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int] !9 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] !10 = metadata !{i32 2, metadata !"Dwarf Version", i32 4} !11 = metadata !{i32 2, metadata !"Debug Info Version", i32 2} !12 = metadata !{metadata !"clang version 3.6.0 "} !13 = metadata !{metadata !"0x101\00A\0016777217\000", metadata !4, metadata !5, metadata !8} ; [ DW_TAG_arg_variable ] [A] [line 1] !14 = metadata !{i32 1, i32 12, metadata !4, null} !15 = metadata !{metadata !"0x101\00B\0033554433\000", metadata !4, metadata !5, metadata !8} ; [ DW_TAG_arg_variable ] [B] [line 1] !16 = metadata !{i32 1, i32 21, metadata !4, null} !17 = metadata !{i32 0} !18 = metadata !{metadata !"0x100\00i\002\000", metadata !19, metadata !5, metadata !9} ; [ DW_TAG_auto_variable ] [i] [line 2] !19 = metadata !{metadata !"0xb\002\003\000", metadata !1, metadata !4} ; [ DW_TAG_lexical_block ] [test/ScopDetectionDiagnostic/ReportAlias-01.c] !20 = metadata !{i32 2, i32 12, metadata !19, null} !21 = metadata !{i32 2, i32 8, metadata !19, null} !22 = metadata !{i32 3, i32 5, metadata !19, null} !23 = metadata !{i32 4, i32 1, metadata !4, null}