1 ; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
2 ; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
5 ; char g __attribute__((weak)) = 2;
10 ; clang -target bpf -O2 -g -S -emit-llvm test.c
12 @g = weak dso_local local_unnamed_addr global i8 2, align 1, !dbg !0
13 ; Function Attrs: norecurse nounwind readonly
14 define dso_local i32 @test() local_unnamed_addr #0 !dbg !11 {
16 %0 = load i8, ptr @g, align 1, !dbg !15, !tbaa !16
17 %conv = sext i8 %0 to i32, !dbg !15
18 ret i32 %conv, !dbg !19
21 ; CHECK: .long 55 # BTF_KIND_INT(id = 4)
22 ; CHECK-NEXT: .long 16777216 # 0x1000000
24 ; CHECK-NEXT: .long 16777224 # 0x1000008
25 ; CHECK-NEXT: .long 60 # BTF_KIND_VAR(id = 5)
26 ; CHECK-NEXT: .long 234881024 # 0xe000000
29 ; CHECK-NEXT: .long 62 # BTF_KIND_DATASEC(id = 6)
30 ; CHECK-NEXT: .long 251658241 # 0xf000001
36 ; CHECK: .ascii "char" # string offset=55
37 ; CHECK: .byte 103 # string offset=60
38 ; CHECK: .ascii ".data" # string offset=62
41 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" }
44 !llvm.module.flags = !{!7, !8, !9}
47 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
48 !1 = distinct !DIGlobalVariable(name: "g", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
49 !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)
50 !3 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/global")
53 !6 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
54 !7 = !{i32 7, !"Dwarf Version", i32 4}
55 !8 = !{i32 2, !"Debug Info Version", i32 3}
56 !9 = !{i32 1, !"wchar_size", i32 4}
57 !10 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git edf6717d8d30034da932b95350898e03c90a5082)"}
58 !11 = distinct !DISubprogram(name: "test", scope: !3, file: !3, line: 2, type: !12, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4)
59 !12 = !DISubroutineType(types: !13)
61 !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
62 !15 = !DILocation(line: 3, column: 10, scope: !11)
63 !16 = !{!17, !17, i64 0}
64 !17 = !{!"omnipotent char", !18, i64 0}
65 !18 = !{!"Simple C/C++ TBAA"}
66 !19 = !DILocation(line: 3, column: 3, scope: !11)