; RUN: opt %loadPolly -pass-remarks-analysis="polly-scops" -polly-scops \ ; RUN: -polly-invariant-load-hoisting=true -disable-output < %s 2>&1 | FileCheck %s ; ; CHECK: remark: test/ScopInfo/remarks.c:4:7: SCoP begins here. ; CHECK: remark: test/ScopInfo/remarks.c:9:15: Inbounds assumption: [N, M, Debug] -> { : M <= 100 } ; CHECK: remark: test/ScopInfo/remarks.c:13:7: No-error restriction: [N, M, Debug] -> { : N > 0 and M >= 0 and (Debug < 0 or Debug > 0) } ; CHECK: remark: test/ScopInfo/remarks.c:8:5: Finite loop restriction: [N, M, Debug] -> { : N > 0 and M < 0 } ; CHECK: remark: test/ScopInfo/remarks.c:4:7: No-overflows restriction: [N, M, Debug] -> { : M <= -2147483649 - N or M >= 2147483648 - N } ; CHECK: remark: test/ScopInfo/remarks.c:9:18: Possibly aliasing pointer, use restrict keyword. ; CHECK: remark: test/ScopInfo/remarks.c:9:33: Possibly aliasing pointer, use restrict keyword. ; CHECK: remark: test/ScopInfo/remarks.c:9:15: Possibly aliasing pointer, use restrict keyword. ; CHECK: remark: test/ScopInfo/remarks.c:14:3: SCoP ends here. ; CHECK: remark: test/ScopInfo/remarks.c:19:3: SCoP begins here. ; CHECK: remark: test/ScopInfo/remarks.c:21:11: Invariant load restriction: [tmp] -> { : tmp < 0 or tmp > 0 } ; CHECK: remark: test/ScopInfo/remarks.c:22:16: SCoP ends here but was dismissed. ; ; #include ; ; void valid(int *A, int *B, int N, int M, int C[100][100], int Debug) { ; if (N + M == -1) ; C[0][0] = 0; ; ; for (int i = 0; i < N; i++) { ; for (int j = 0; j != M; j++) { ; C[i][j] += A[i * M + j] + B[i + j]; ; } ; ; if (Debug) ; printf("Printf!"); ; } ; } ; ; void invalid0(int *A) { ; for (int i = 0; i < 10; i++) ; for (int j = 0; j < 10; j++) ; if (A[0]) ; A[0] = 0; ; } ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" @.str = private unnamed_addr constant [8 x i8] c"Printf!\00", align 1 define void @valid(i32* %A, i32* %B, i32 %N, i32 %M, [100 x i32]* %C, i32 %Debug) #0 !dbg !4 { entry: call void @llvm.dbg.value(metadata i32* %A, i64 0, metadata !23, metadata !24), !dbg !25 call void @llvm.dbg.value(metadata i32* %B, i64 0, metadata !26, metadata !24), !dbg !27 call void @llvm.dbg.value(metadata i32 %N, i64 0, metadata !28, metadata !24), !dbg !29 call void @llvm.dbg.value(metadata i32 %M, i64 0, metadata !30, metadata !24), !dbg !31 call void @llvm.dbg.value(metadata [100 x i32]* %C, i64 0, metadata !32, metadata !24), !dbg !33 call void @llvm.dbg.value(metadata i32 %Debug, i64 0, metadata !34, metadata !24), !dbg !35 br label %entry.split entry.split: %add = add i32 %N, %M, !dbg !36 %cmp = icmp eq i32 %add, -1, !dbg !38 br i1 %cmp, label %if.then, label %if.end, !dbg !39 if.then: ; preds = %entry %arrayidx1 = getelementptr inbounds [100 x i32], [100 x i32]* %C, i64 0, i64 0, !dbg !40 store i32 0, i32* %arrayidx1, align 4, !dbg !41 br label %if.end, !dbg !40 if.end: ; preds = %if.then, %entry call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !42, metadata !24), !dbg !44 %N64 = sext i32 %N to i64, !dbg !45 %M64 = sext i32 %M to i64, !dbg !45 br label %for.cond, !dbg !45 for.cond: ; preds = %for.inc.19, %if.end %indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc.19 ], [ 0, %if.end ] %cmp2 = icmp slt i64 %indvars.iv3, %N64, !dbg !46 br i1 %cmp2, label %for.body, label %for.end.21, !dbg !49 for.body: ; preds = %for.cond call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !50, metadata !24), !dbg !53 br label %for.cond.3, !dbg !54 for.cond.3: ; preds = %for.inc, %for.body %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.body ] %cmp4 = icmp eq i64 %indvars.iv, %M64, !dbg !55 br i1 %cmp4, label %for.end, label %for.body.5, !dbg !58 for.body.5: ; preds = %for.cond.3 %tmp8 = mul i64 %indvars.iv3, %M64, !dbg !59 %tmp9 = add i64 %tmp8, %indvars.iv, !dbg !61 %arrayidx7 = getelementptr inbounds i32, i32* %A, i64 %tmp9, !dbg !62 %tmp10 = load i32, i32* %arrayidx7, align 4, !dbg !62 %tmp11 = add i64 %indvars.iv3, %indvars.iv, !dbg !63 %arrayidx10 = getelementptr inbounds i32, i32* %B, i64 %tmp11, !dbg !64 %tmp12 = load i32, i32* %arrayidx10, align 4, !dbg !64 %add11 = add i32 %tmp10, %tmp12, !dbg !65 %arrayidx15 = getelementptr inbounds [100 x i32], [100 x i32]* %C, i64 %indvars.iv3, i64 %indvars.iv, !dbg !66 %tmp13 = load i32, i32* %arrayidx15, align 4, !dbg !67 %add16 = add i32 %tmp13, %add11, !dbg !67 store i32 %add16, i32* %arrayidx15, align 4, !dbg !67 br label %for.inc, !dbg !68 for.inc: ; preds = %for.body.5 %indvars.iv.next = add i64 %indvars.iv, 1, !dbg !69 call void @llvm.dbg.value(metadata !2, i64 0, metadata !50, metadata !24), !dbg !53 br label %for.cond.3, !dbg !69 for.end: ; preds = %for.cond.3 %tobool = icmp eq i32 %Debug, 0, !dbg !70 br i1 %tobool, label %if.end.18, label %if.then.17, !dbg !72 if.then.17: ; preds = %for.end %call = call i32 (i8*, ...) @printf(i8* nonnull getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0)) #3, !dbg !73 br label %if.end.18, !dbg !73 if.end.18: ; preds = %for.end, %if.then.17 br label %for.inc.19, !dbg !74 for.inc.19: ; preds = %if.end.18 %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1, !dbg !75 call void @llvm.dbg.value(metadata !2, i64 0, metadata !42, metadata !24), !dbg !44 br label %for.cond, !dbg !75 for.end.21: ; preds = %for.cond ret void, !dbg !76 } declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 declare i32 @printf(i8*, ...) #2 define void @invalid0(i32* %A) #0 !dbg !13 { entry: call void @llvm.dbg.value(metadata i32* %A, i64 0, metadata !77, metadata !24), !dbg !78 call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !79, metadata !24), !dbg !81 br label %for.cond, !dbg !82 for.cond: ; preds = %for.inc.5, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc6, %for.inc.5 ] %exitcond1 = icmp ne i32 %i.0, 10, !dbg !83 br i1 %exitcond1, label %for.body, label %for.end.7, !dbg !83 for.body: ; preds = %for.cond call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !86, metadata !24), !dbg !88 br label %for.cond.1, !dbg !89 for.cond.1: ; preds = %for.inc, %for.body %j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ] %exitcond = icmp ne i32 %j.0, 10, !dbg !90 br i1 %exitcond, label %for.body.3, label %for.end, !dbg !90 for.body.3: ; preds = %for.cond.1 %tmp = load i32, i32* %A, align 4, !dbg !93 %tobool = icmp eq i32 %tmp, 0, !dbg !93 br i1 %tobool, label %if.end, label %if.then, !dbg !95 if.then: ; preds = %for.body.3 store i32 0, i32* %A, align 4, !dbg !96 br label %if.end, !dbg !97 if.end: ; preds = %for.body.3, %if.then br label %for.inc, !dbg !98 for.inc: ; preds = %if.end %inc = add nuw nsw i32 %j.0, 1, !dbg !100 call void @llvm.dbg.value(metadata i32 %inc, i64 0, metadata !86, metadata !24), !dbg !88 br label %for.cond.1, !dbg !101 for.end: ; preds = %for.cond.1 br label %for.inc.5, !dbg !102 for.inc.5: ; preds = %for.end %inc6 = add nuw nsw i32 %i.0, 1, !dbg !103 call void @llvm.dbg.value(metadata i32 %inc6, i64 0, metadata !79, metadata !24), !dbg !81 br label %for.cond, !dbg !104 for.end.7: ; preds = %for.cond ret void, !dbg !105 } declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { nounwind readnone } attributes #2 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #3 = { nounwind } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!20, !21} !llvm.ident = !{!22} !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !2) !1 = !DIFile(filename: "test/ScopInfo/remarks.c", directory: "/home/johannes/repos/llvm-polly/tools/polly") !2 = !{} !4 = distinct !DISubprogram(name: "valid", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) !5 = !DISubroutineType(types: !6) !6 = !{null, !7, !7, !8, !8, !9, !8} !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, align: 64) !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64, align: 64) !10 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 3200, align: 32, elements: !11) !11 = !{!12} !12 = !DISubrange(count: 100) !13 = distinct !DISubprogram(name: "invalid0", scope: !1, file: !1, line: 18, type: !14, isLocal: false, isDefinition: true, scopeLine: 18, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) !14 = !DISubroutineType(types: !15) !15 = !{null, !7} !16 = distinct !DISubprogram(name: "invalid1", scope: !1, file: !1, line: 25, type: !17, isLocal: false, isDefinition: true, scopeLine: 25, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) !17 = !DISubroutineType(types: !18) !18 = !{null, !19, !19} !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64) !20 = !{i32 2, !"Dwarf Version", i32 4} !21 = !{i32 2, !"Debug Info Version", i32 3} !22 = !{!"clang version 3.8.0"} !23 = !DILocalVariable(name: "A", arg: 1, scope: !4, file: !1, line: 3, type: !7) !24 = !DIExpression() !25 = !DILocation(line: 3, column: 17, scope: !4) !26 = !DILocalVariable(name: "B", arg: 2, scope: !4, file: !1, line: 3, type: !7) !27 = !DILocation(line: 3, column: 25, scope: !4) !28 = !DILocalVariable(name: "N", arg: 3, scope: !4, file: !1, line: 3, type: !8) !29 = !DILocation(line: 3, column: 32, scope: !4) !30 = !DILocalVariable(name: "M", arg: 4, scope: !4, file: !1, line: 3, type: !8) !31 = !DILocation(line: 3, column: 39, scope: !4) !32 = !DILocalVariable(name: "C", arg: 5, scope: !4, file: !1, line: 3, type: !9) !33 = !DILocation(line: 3, column: 46, scope: !4) !34 = !DILocalVariable(name: "Debug", arg: 6, scope: !4, file: !1, line: 3, type: !8) !35 = !DILocation(line: 3, column: 63, scope: !4) !36 = !DILocation(line: 4, column: 9, scope: !37) !37 = distinct !DILexicalBlock(scope: !4, file: !1, line: 4, column: 7) !38 = !DILocation(line: 4, column: 13, scope: !37) !39 = !DILocation(line: 4, column: 7, scope: !4) !40 = !DILocation(line: 5, column: 5, scope: !37) !41 = !DILocation(line: 5, column: 13, scope: !37) !42 = !DILocalVariable(name: "i", scope: !43, file: !1, line: 7, type: !8) !43 = distinct !DILexicalBlock(scope: !4, file: !1, line: 7, column: 3) !44 = !DILocation(line: 7, column: 12, scope: !43) !45 = !DILocation(line: 7, column: 8, scope: !43) !46 = !DILocation(line: 7, column: 21, scope: !47) !47 = !DILexicalBlockFile(scope: !48, file: !1, discriminator: 1) !48 = distinct !DILexicalBlock(scope: !43, file: !1, line: 7, column: 3) !49 = !DILocation(line: 7, column: 3, scope: !47) !50 = !DILocalVariable(name: "j", scope: !51, file: !1, line: 8, type: !8) !51 = distinct !DILexicalBlock(scope: !52, file: !1, line: 8, column: 5) !52 = distinct !DILexicalBlock(scope: !48, file: !1, line: 7, column: 31) !53 = !DILocation(line: 8, column: 14, scope: !51) !54 = !DILocation(line: 8, column: 10, scope: !51) !55 = !DILocation(line: 8, column: 23, scope: !56) !56 = !DILexicalBlockFile(scope: !57, file: !1, discriminator: 1) !57 = distinct !DILexicalBlock(scope: !51, file: !1, line: 8, column: 5) !58 = !DILocation(line: 8, column: 5, scope: !56) !59 = !DILocation(line: 9, column: 22, scope: !60) !60 = distinct !DILexicalBlock(scope: !57, file: !1, line: 8, column: 34) !61 = !DILocation(line: 9, column: 26, scope: !60) !62 = !DILocation(line: 9, column: 18, scope: !60) !63 = !DILocation(line: 9, column: 37, scope: !60) !64 = !DILocation(line: 9, column: 33, scope: !60) !65 = !DILocation(line: 9, column: 31, scope: !60) !66 = !DILocation(line: 9, column: 7, scope: !60) !67 = !DILocation(line: 9, column: 15, scope: !60) !68 = !DILocation(line: 10, column: 5, scope: !60) !69 = !DILocation(line: 8, column: 5, scope: !57) !70 = !DILocation(line: 12, column: 9, scope: !71) !71 = distinct !DILexicalBlock(scope: !52, file: !1, line: 12, column: 9) !72 = !DILocation(line: 12, column: 9, scope: !52) !73 = !DILocation(line: 13, column: 7, scope: !71) !74 = !DILocation(line: 14, column: 3, scope: !52) !75 = !DILocation(line: 7, column: 3, scope: !48) !76 = !DILocation(line: 16, column: 1, scope: !4) !77 = !DILocalVariable(name: "A", arg: 1, scope: !13, file: !1, line: 18, type: !7) !78 = !DILocation(line: 18, column: 20, scope: !13) !79 = !DILocalVariable(name: "i", scope: !80, file: !1, line: 19, type: !8) !80 = distinct !DILexicalBlock(scope: !13, file: !1, line: 19, column: 3) !81 = !DILocation(line: 19, column: 12, scope: !80) !82 = !DILocation(line: 19, column: 8, scope: !80) !83 = !DILocation(line: 19, column: 3, scope: !84) !84 = !DILexicalBlockFile(scope: !85, file: !1, discriminator: 1) !85 = distinct !DILexicalBlock(scope: !80, file: !1, line: 19, column: 3) !86 = !DILocalVariable(name: "j", scope: !87, file: !1, line: 20, type: !8) !87 = distinct !DILexicalBlock(scope: !85, file: !1, line: 20, column: 5) !88 = !DILocation(line: 20, column: 14, scope: !87) !89 = !DILocation(line: 20, column: 10, scope: !87) !90 = !DILocation(line: 20, column: 5, scope: !91) !91 = !DILexicalBlockFile(scope: !92, file: !1, discriminator: 1) !92 = distinct !DILexicalBlock(scope: !87, file: !1, line: 20, column: 5) !93 = !DILocation(line: 21, column: 11, scope: !94) !94 = distinct !DILexicalBlock(scope: !92, file: !1, line: 21, column: 11) !95 = !DILocation(line: 21, column: 11, scope: !92) !96 = !DILocation(line: 22, column: 14, scope: !94) !97 = !DILocation(line: 22, column: 9, scope: !94) !98 = !DILocation(line: 21, column: 14, scope: !99) !99 = !DILexicalBlockFile(scope: !94, file: !1, discriminator: 1) !100 = !DILocation(line: 20, column: 30, scope: !92) !101 = !DILocation(line: 20, column: 5, scope: !92) !102 = !DILocation(line: 22, column: 16, scope: !87) !103 = !DILocation(line: 19, column: 28, scope: !85) !104 = !DILocation(line: 19, column: 3, scope: !85) !105 = !DILocation(line: 23, column: 1, scope: !13) !106 = !DILocalVariable(name: "A", arg: 1, scope: !16, file: !1, line: 25, type: !19) !107 = !DILocation(line: 25, column: 21, scope: !16) !108 = !DILocalVariable(name: "B", arg: 2, scope: !16, file: !1, line: 25, type: !19) !109 = !DILocation(line: 25, column: 30, scope: !16) !110 = !DILocalVariable(name: "i", scope: !111, file: !1, line: 26, type: !8) !111 = distinct !DILexicalBlock(scope: !16, file: !1, line: 26, column: 3) !112 = !DILocation(line: 26, column: 12, scope: !111) !113 = !DILocation(line: 26, column: 8, scope: !111) !114 = !DILocation(line: 26, column: 3, scope: !115) !115 = !DILexicalBlockFile(scope: !116, file: !1, discriminator: 1) !116 = distinct !DILexicalBlock(scope: !111, file: !1, line: 26, column: 3) !117 = !DILocalVariable(name: "j", scope: !118, file: !1, line: 27, type: !8) !118 = distinct !DILexicalBlock(scope: !116, file: !1, line: 27, column: 5) !119 = !DILocation(line: 27, column: 14, scope: !118) !120 = !DILocation(line: 27, column: 10, scope: !118) !121 = !DILocation(line: 27, column: 5, scope: !122) !122 = !DILexicalBlockFile(scope: !123, file: !1, discriminator: 1) !123 = distinct !DILexicalBlock(scope: !118, file: !1, line: 27, column: 5) !124 = !DILocation(line: 28, column: 17, scope: !123) !125 = !DILocation(line: 28, column: 7, scope: !123) !126 = !DILocation(line: 28, column: 15, scope: !123) !127 = !DILocation(line: 27, column: 5, scope: !123) !128 = !DILocation(line: 28, column: 23, scope: !118) !129 = !DILocation(line: 26, column: 3, scope: !116) !130 = !DILocation(line: 29, column: 1, scope: !16)