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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 arg);6; int test() { return global_func(0); }7; Compilation flag:8; clang -target bpf -O2 -g -S -emit-llvm test.c9 10; Function Attrs: nounwind11define dso_local i32 @test() local_unnamed_addr !dbg !13 {12entry:13 %call = tail call i32 @global_func(i8 signext 0), !dbg !1614 ret i32 %call, !dbg !1715}16 17; CHECK: .short 60319 # 0xeb9f18; CHECK-NEXT: .byte 119; CHECK-NEXT: .byte 020; CHECK-NEXT: .long 2421; CHECK-NEXT: .long 022; CHECK-NEXT: .long 8823; CHECK-NEXT: .long 8824; CHECK-NEXT: .long 7225; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1)26; CHECK-NEXT: .long 218103808 # 0xd00000027; CHECK-NEXT: .long 228; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2)29; CHECK-NEXT: .long 16777216 # 0x100000030; CHECK-NEXT: .long 431; CHECK-NEXT: .long 16777248 # 0x100002032; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3)33; CHECK-NEXT: .long 201326593 # 0xc00000134; CHECK-NEXT: .long 135; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 4)36; CHECK-NEXT: .long 218103809 # 0xd00000137; CHECK-NEXT: .long 238; CHECK-NEXT: .long 039; CHECK-NEXT: .long 540; CHECK-NEXT: .long 55 # BTF_KIND_INT(id = 5)41; CHECK-NEXT: .long 16777216 # 0x100000042; CHECK-NEXT: .long 143; CHECK-NEXT: .long 16777224 # 0x100000844; CHECK-NEXT: .long 60 # BTF_KIND_FUNC(id = 6)45; CHECK-NEXT: .long 201326594 # 0xc00000246; CHECK-NEXT: .long 447; CHECK: .ascii "int" # string offset=148; CHECK: .ascii "test" # string offset=549; CHECK: .ascii "char" # string offset=5550; CHECK: .ascii "global_func" # string offset=6051 52declare !dbg !4 dso_local i32 @global_func(i8 signext) local_unnamed_addr53 54!llvm.dbg.cu = !{!0}55!llvm.module.flags = !{!9, !10, !11}56!llvm.ident = !{!12}57 58!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 987c5665e81822b32c895fd0c97a9a084b0d3106)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, splitDebugInlining: false, nameTableKind: None)59!1 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/extern")60!2 = !{}61!3 = !{!4}62!4 = !DISubprogram(name: "global_func", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)63!5 = !DISubroutineType(types: !6)64!6 = !{!7, !8}65!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)66!8 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)67!9 = !{i32 7, !"Dwarf Version", i32 4}68!10 = !{i32 2, !"Debug Info Version", i32 3}69!11 = !{i32 1, !"wchar_size", i32 4}70!12 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git 987c5665e81822b32c895fd0c97a9a084b0d3106)"}71!13 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 2, type: !14, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)72!14 = !DISubroutineType(types: !15)73!15 = !{!7}74!16 = !DILocation(line: 2, column: 21, scope: !13)75!17 = !DILocation(line: 2, column: 14, scope: !13)76