| ; RUN: llc -mtriple=bpfel -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-RELOC %s |
| ; RUN: llc -mtriple=bpfeb -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-RELOC %s |
| |
| ; source code: |
| ; int g __attribute__((section("ids"))) = 4; |
| ; static volatile int s = 0; |
| ; int test() { |
| ; return g + s; |
| ; } |
| ; compilation flag: |
| ; clang -target bpf -g -O2 -emit-llvm -S test.c |
| |
| @g = dso_local local_unnamed_addr global i32 4, section "ids", align 4, !dbg !0 |
| @s = internal global i32 0, align 4, !dbg !6 |
| |
| ; Function Attrs: norecurse nounwind |
| define dso_local i32 @test() local_unnamed_addr #0 !dbg !14 { |
| %1 = load i32, ptr @g, align 4, !dbg !17, !tbaa !18 |
| %2 = load volatile i32, ptr @s, align 4, !dbg !22, !tbaa !18 |
| %3 = add nsw i32 %2, %1, !dbg !23 |
| ret i32 %3, !dbg !24 |
| } |
| |
| ; CHECK-RELOC: file format elf64-bpf |
| ; CHECK-RELOC: RELOCATION RECORDS FOR [.BTF]: |
| ; CHECK-RELOC: R_BPF_64_NODYLD32 .bss |
| ; CHECK-RELOC: R_BPF_64_NODYLD32 g |
| ; CHECK-RELOC: RELOCATION RECORDS FOR [.BTF.ext]: |
| |
| attributes #0 = { norecurse nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "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" } |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!10, !11, !12} |
| !llvm.ident = !{!13} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "g", scope: !2, file: !3, line: 1, type: !9, isLocal: false, isDefinition: true) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 9.0.0 (trunk 360739) (llvm/trunk 360747)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None) |
| !3 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/llvm/relocation") |
| !4 = !{} |
| !5 = !{!0, !6} |
| !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) |
| !7 = distinct !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 2, type: !8, isLocal: true, isDefinition: true) |
| !8 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !9) |
| !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !10 = !{i32 2, !"Dwarf Version", i32 4} |
| !11 = !{i32 2, !"Debug Info Version", i32 3} |
| !12 = !{i32 1, !"wchar_size", i32 4} |
| !13 = !{!"clang version 9.0.0 (trunk 360739) (llvm/trunk 360747)"} |
| !14 = distinct !DISubprogram(name: "test", scope: !3, file: !3, line: 3, type: !15, scopeLine: 3, isLocal: false, isDefinition: true, isOptimized: true, unit: !2, retainedNodes: !4) |
| !15 = !DISubroutineType(types: !16) |
| !16 = !{!9} |
| !17 = !DILocation(line: 4, column: 10, scope: !14) |
| !18 = !{!19, !19, i64 0} |
| !19 = !{!"int", !20, i64 0} |
| !20 = !{!"omnipotent char", !21, i64 0} |
| !21 = !{!"Simple C/C++ TBAA"} |
| !22 = !DILocation(line: 4, column: 14, scope: !14) |
| !23 = !DILocation(line: 4, column: 12, scope: !14) |
| !24 = !DILocation(line: 4, column: 3, scope: !14) |