| ; 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 <stdio.h> |
| ; |
| ; 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) |
