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1; RUN: llc -mtriple=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s2; RUN: llc -mtriple=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s3;4; Source code:5; extern int global_func(char c);6; int test() {7; return global_func(0);8; }9; Compilation flag:10; clang -target bpf -O2 -g -S -emit-llvm test.c11 12; Function Attrs: nounwind13define dso_local i32 @test() local_unnamed_addr !dbg !13 {14entry:15 %call = tail call i32 @global_func(i8 signext 0), !dbg !1616 ret i32 %call, !dbg !1717}18 19; CHECK: .section .BTF,"",@progbits20; CHECK-NEXT: .short 60319 # 0xeb9f21; CHECK-NEXT: .byte 122; CHECK-NEXT: .byte 023; CHECK-NEXT: .long 2424; CHECK-NEXT: .long 025; CHECK-NEXT: .long 8826; CHECK-NEXT: .long 8827; CHECK-NEXT: .long 7228; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1)29; CHECK-NEXT: .long 218103808 # 0xd00000030; CHECK-NEXT: .long 231; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2)32; CHECK-NEXT: .long 16777216 # 0x100000033; CHECK-NEXT: .long 434; CHECK-NEXT: .long 16777248 # 0x100002035; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3)36; CHECK-NEXT: .long 201326593 # 0xc00000137; CHECK-NEXT: .long 138; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 4)39; CHECK-NEXT: .long 218103809 # 0xd00000140; CHECK-NEXT: .long 241; CHECK-NEXT: .long 042; CHECK-NEXT: .long 543; CHECK-NEXT: .long 55 # BTF_KIND_INT(id = 5)44; CHECK-NEXT: .long 16777216 # 0x100000045; CHECK-NEXT: .long 146; CHECK-NEXT: .long 16777224 # 0x100000847; CHECK-NEXT: .long 60 # BTF_KIND_FUNC(id = 6)48; CHECK-NEXT: .long 201326594 # 0xc00000249; CHECK-NEXT: .long 450; CHECK-NEXT: .byte 0 # string offset=051; CHECK-NEXT: .ascii "int" # string offset=152; CHECK-NEXT: .byte 053; CHECK-NEXT: .ascii "test" # string offset=554; CHECK-NEXT: .byte 055; CHECK-NEXT: .ascii ".text" # string offset=1056; CHECK-NEXT: .byte 057; CHECK-NEXT: .ascii "/tmp/home/yhs/work/tests/extern/test.c" # string offset=1658; CHECK-NEXT: .byte 059; CHECK-NEXT: .ascii "char" # string offset=5560; CHECK-NEXT: .byte 061; CHECK-NEXT: .ascii "global_func" # string offset=6062; CHECK-NEXT: .byte 063 64declare !dbg !4 dso_local i32 @global_func(i8 signext) local_unnamed_addr65 66!llvm.dbg.cu = !{!0}67!llvm.module.flags = !{!9, !10, !11}68!llvm.ident = !{!12}69 70!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 77e5c60f04c4597ba5704d3cee61c6d359404ccd)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)71!1 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/extern")72!2 = !{}73!3 = !{!4}74!4 = !DISubprogram(name: "global_func", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)75!5 = !DISubroutineType(types: !6)76!6 = !{!7, !8}77!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)78!8 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)79!9 = !{i32 2, !"Dwarf Version", i32 4}80!10 = !{i32 2, !"Debug Info Version", i32 3}81!11 = !{i32 1, !"wchar_size", i32 4}82!12 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git 77e5c60f04c4597ba5704d3cee61c6d359404ccd)"}83!13 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 2, type: !14, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)84!14 = !DISubroutineType(types: !15)85!15 = !{!7}86!16 = !DILocation(line: 3, column: 10, scope: !13)87!17 = !DILocation(line: 3, column: 3, scope: !13)88