| ; RUN: not llc -march=bpfel < %s 2>&1 >/dev/null | FileCheck %s |
| |
| ;; CHECK-NOT: nowarn |
| define void @nowarn() local_unnamed_addr #0 !dbg !6 { |
| %1 = alloca [504 x i8], align 1 |
| %2 = getelementptr inbounds [504 x i8], [504 x i8]* %1, i64 0, i64 0, !dbg !15 |
| call void @llvm.lifetime.start.p0i8(i64 504, i8* nonnull %2) #4, !dbg !15 |
| tail call void @llvm.dbg.declare(metadata [504 x i8]* %1, metadata !10, metadata !16), !dbg !17 |
| call void @doit(i8* nonnull %2) #4, !dbg !18 |
| call void @llvm.lifetime.end.p0i8(i64 504, i8* nonnull %2) #4, !dbg !19 |
| ret void, !dbg !19 |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #2 |
| |
| declare void @doit(i8*) local_unnamed_addr #3 |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 |
| |
| ; CHECK: error: warn_stack.c |
| ; CHECK: BPF stack limit |
| define void @warn() local_unnamed_addr #0 !dbg !20 { |
| %1 = alloca [512 x i8], align 1 |
| %2 = getelementptr inbounds [512 x i8], [512 x i8]* %1, i64 0, i64 0, !dbg !26 |
| call void @llvm.lifetime.start.p0i8(i64 512, i8* nonnull %2) #4, !dbg !26 |
| tail call void @llvm.dbg.declare(metadata [512 x i8]* %1, metadata !22, metadata !16), !dbg !27 |
| call void @doit(i8* nonnull %2) #4, !dbg !28 |
| call void @llvm.lifetime.end.p0i8(i64 512, i8* nonnull %2) #4, !dbg !29 |
| ret void, !dbg !29 |
| } |
| |
| attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { argmemonly nounwind } |
| attributes #2 = { nounwind readnone } |
| attributes #3 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #4 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4} |
| !llvm.ident = !{!5} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.0 (trunk 292141) (llvm/trunk 292156)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "warn_stack.c", directory: "/w/llvm/bld") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{!"clang version 5.0.0 (trunk 292141) (llvm/trunk 292156)"} |
| !6 = distinct !DISubprogram(name: "nowarn", scope: !1, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !9) |
| !7 = !DISubroutineType(types: !8) |
| !8 = !{null} |
| !9 = !{!10} |
| !10 = !DILocalVariable(name: "buf", scope: !6, file: !1, line: 4, type: !11) |
| !11 = !DICompositeType(tag: DW_TAG_array_type, baseType: !12, size: 4088, elements: !13) |
| !12 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) |
| !13 = !{!14} |
| !14 = !DISubrange(count: 504) |
| !15 = !DILocation(line: 4, column: 2, scope: !6) |
| !16 = !DIExpression() |
| !17 = !DILocation(line: 4, column: 7, scope: !6) |
| !18 = !DILocation(line: 5, column: 2, scope: !6) |
| !19 = !DILocation(line: 6, column: 1, scope: !6) |
| !20 = distinct !DISubprogram(name: "warn", scope: !1, file: !1, line: 7, type: !7, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !21) |
| !21 = !{!22} |
| !22 = !DILocalVariable(name: "buf", scope: !20, file: !1, line: 9, type: !23) |
| !23 = !DICompositeType(tag: DW_TAG_array_type, baseType: !12, size: 4096, elements: !24) |
| !24 = !{!25} |
| !25 = !DISubrange(count: 512) |
| !26 = !DILocation(line: 9, column: 2, scope: !20) |
| !27 = !DILocation(line: 9, column: 7, scope: !20) |
| !28 = !DILocation(line: 10, column: 2, scope: !20) |
| !29 = !DILocation(line: 11, column: 1, scope: !20) |