| ; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s |
| ; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s |
| ; |
| ; Source code: |
| ; char g __attribute__((weak)) = 2; |
| ; int test() { |
| ; return g; |
| ; } |
| ; Compilation flag: |
| ; clang -target bpf -O2 -g -S -emit-llvm test.c |
| |
| @g = weak dso_local local_unnamed_addr global i8 2, align 1, !dbg !0 |
| ; Function Attrs: norecurse nounwind readonly |
| define dso_local i32 @test() local_unnamed_addr #0 !dbg !11 { |
| entry: |
| %0 = load i8, i8* @g, align 1, !dbg !15, !tbaa !16 |
| %conv = sext i8 %0 to i32, !dbg !15 |
| ret i32 %conv, !dbg !19 |
| } |
| |
| ; CHECK: .long 55 # BTF_KIND_INT(id = 4) |
| ; CHECK-NEXT: .long 16777216 # 0x1000000 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 16777224 # 0x1000008 |
| ; CHECK-NEXT: .long 60 # BTF_KIND_VAR(id = 5) |
| ; CHECK-NEXT: .long 234881024 # 0xe000000 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 62 # BTF_KIND_DATASEC(id = 6) |
| ; CHECK-NEXT: .long 251658241 # 0xf000001 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 5 |
| ; CHECK-NEXT: .long g |
| ; CHECK-NEXT: .long 1 |
| |
| ; CHECK: .ascii "char" # string offset=55 |
| ; CHECK: .byte 103 # string offset=60 |
| ; CHECK: .ascii ".data" # string offset=62 |
| |
| |
| attributes #0 = { norecurse nounwind readonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "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 = !{!7, !8, !9} |
| !llvm.ident = !{!10} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "g", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git edf6717d8d30034da932b95350898e03c90a5082)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None) |
| !3 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/global") |
| !4 = !{} |
| !5 = !{!0} |
| !6 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) |
| !7 = !{i32 7, !"Dwarf Version", i32 4} |
| !8 = !{i32 2, !"Debug Info Version", i32 3} |
| !9 = !{i32 1, !"wchar_size", i32 4} |
| !10 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git edf6717d8d30034da932b95350898e03c90a5082)"} |
| !11 = distinct !DISubprogram(name: "test", scope: !3, file: !3, line: 2, type: !12, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4) |
| !12 = !DISubroutineType(types: !13) |
| !13 = !{!14} |
| !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !15 = !DILocation(line: 3, column: 10, scope: !11) |
| !16 = !{!17, !17, i64 0} |
| !17 = !{!"omnipotent char", !18, i64 0} |
| !18 = !{!"Simple C/C++ TBAA"} |
| !19 = !DILocation(line: 3, column: 3, scope: !11) |