| ; 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: |
| ; extern int foo(void); |
| ; static __attribute__((noinline)) int test1() { return foo(); } |
| ; int test2() { return test1(); } |
| ; Compilation flag: |
| ; clang -target bpf -O2 -g -S -emit-llvm test.c |
| |
| ; Function Attrs: nounwind |
| define dso_local i32 @test2() local_unnamed_addr #0 !dbg !12 { |
| entry: |
| %call = tail call fastcc i32 @test1(), !dbg !13 |
| ret i32 %call, !dbg !14 |
| } |
| ; Function Attrs: noinline nounwind |
| define internal fastcc i32 @test1() unnamed_addr #1 !dbg !15 { |
| entry: |
| %call = tail call i32 @foo() #3, !dbg !16 |
| ret i32 %call, !dbg !17 |
| } |
| declare !dbg !4 dso_local i32 @foo() local_unnamed_addr #2 |
| |
| ; CHECK: .section .BTF,"",@progbits |
| ; CHECK-NEXT: .short 60319 # 0xeb9f |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .long 24 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 88 |
| ; CHECK-NEXT: .long 88 |
| ; CHECK-NEXT: .long 64 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1) |
| ; CHECK-NEXT: .long 218103808 # 0xd000000 |
| ; CHECK-NEXT: .long 2 |
| ; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2) |
| ; CHECK-NEXT: .long 16777216 # 0x1000000 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 16777248 # 0x1000020 |
| ; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3) |
| ; CHECK-NEXT: .long 201326593 # 0xc000001 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 4) |
| ; CHECK-NEXT: .long 218103808 # 0xd000000 |
| ; CHECK-NEXT: .long 2 |
| ; CHECK-NEXT: .long 54 # BTF_KIND_FUNC(id = 5) |
| ; CHECK-NEXT: .long 201326592 # 0xc000000 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 6) |
| ; CHECK-NEXT: .long 218103808 # 0xd000000 |
| ; CHECK-NEXT: .long 2 |
| ; CHECK-NEXT: .long 60 # BTF_KIND_FUNC(id = 7) |
| ; CHECK-NEXT: .long 201326594 # 0xc000002 |
| ; CHECK-NEXT: .long 6 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "int" # string offset=1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "test2" # string offset=5 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii ".text" # string offset=11 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "/tmp/home/yhs/work/tests/bugs/test.c" # string offset=17 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "test1" # string offset=54 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "foo" # string offset=60 |
| ; CHECK-NEXT: .byte 0 |
| |
| attributes #0 = { nounwind "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" } |
| attributes #1 = { noinline nounwind "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" } |
| attributes #2 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="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" } |
| attributes #3 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!8, !9, !10} |
| !llvm.ident = !{!11} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 000f95c4157aee07bd4ffc3f59ffdb6c7ecae4af)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, splitDebugInlining: false, nameTableKind: None) |
| !1 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/bugs") |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{!7} |
| !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !8 = !{i32 7, !"Dwarf Version", i32 4} |
| !9 = !{i32 2, !"Debug Info Version", i32 3} |
| !10 = !{i32 1, !"wchar_size", i32 4} |
| !11 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git 000f95c4157aee07bd4ffc3f59ffdb6c7ecae4af)"} |
| !12 = distinct !DISubprogram(name: "test2", scope: !1, file: !1, line: 3, type: !5, scopeLine: 3, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) |
| !13 = !DILocation(line: 3, column: 22, scope: !12) |
| !14 = !DILocation(line: 3, column: 15, scope: !12) |
| !15 = distinct !DISubprogram(name: "test1", scope: !1, file: !1, line: 2, type: !5, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) |
| !16 = !DILocation(line: 2, column: 55, scope: !15) |
| !17 = !DILocation(line: 2, column: 48, scope: !15) |
