| ; 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: |
| ; static volatile char a; |
| ; int foo() { |
| ; static volatile short b; |
| ; return a + b; |
| ; } |
| ; Compilation flag: |
| ; clang -target bpf -O2 -g -S -emit-llvm test.c |
| |
| @foo.b = internal global i16 0, align 2, !dbg !0 |
| @a = internal global i8 0, align 1, !dbg !10 |
| |
| ; Function Attrs: norecurse nounwind |
| define dso_local i32 @foo() local_unnamed_addr #0 !dbg !2 { |
| %1 = load volatile i8, i8* @a, align 1, !dbg !20, !tbaa !21 |
| %2 = sext i8 %1 to i32, !dbg !20 |
| %3 = load volatile i16, i16* @foo.b, align 2, !dbg !24, !tbaa !25 |
| %4 = sext i16 %3 to i32, !dbg !24 |
| %5 = add nsw i32 %4, %2, !dbg !27 |
| ret i32 %5, !dbg !28 |
| } |
| |
| ; 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 96 |
| ; CHECK-NEXT: .long 96 |
| ; CHECK-NEXT: .long 63 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1) |
| ; CHECK-NEXT: .long 218103808 # 0xd000000 |
| ; CHECK-NEXT: .long 2 |
| ; CHECK-NEXT: .long 44 # BTF_KIND_INT(id = 2) |
| ; CHECK-NEXT: .long 16777216 # 0x1000000 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 16777248 # 0x1000020 |
| ; CHECK-NEXT: .long 48 # BTF_KIND_FUNC(id = 3) |
| ; CHECK-NEXT: .long 201326592 # 0xc000000 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 4) |
| ; CHECK-NEXT: .long 150994944 # 0x9000000 |
| ; CHECK-NEXT: .long 5 |
| ; CHECK-NEXT: .long 52 # BTF_KIND_INT(id = 5) |
| ; CHECK-NEXT: .long 16777216 # 0x1000000 |
| ; CHECK-NEXT: .long 2 |
| ; CHECK-NEXT: .long 16777232 # 0x1000010 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 6) |
| ; CHECK-NEXT: .long 150994944 # 0x9000000 |
| ; CHECK-NEXT: .long 7 |
| ; CHECK-NEXT: .long 58 # BTF_KIND_INT(id = 7) |
| ; CHECK-NEXT: .long 16777216 # 0x1000000 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 16777224 # 0x1000008 |
| ; CHECK-NEXT: .byte 0 # string offset=0 |
| ; CHECK-NEXT: .ascii ".text" # string offset=1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "/home/yhs/work/tests/llvm/bug/test.c" # string offset=7 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "int" # string offset=44 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "foo" # string offset=48 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "short" # string offset=52 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "char" # string offset=58 |
| ; CHECK-NEXT: .byte 0 |
| |
| attributes #0 = { norecurse nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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 = !{!7} |
| !llvm.module.flags = !{!16, !17, !18} |
| !llvm.ident = !{!19} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 3, type: !14, isLocal: true, isDefinition: true) |
| !2 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 2, type: !4, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: true, unit: !7, retainedNodes: !8) |
| !3 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bug") |
| !4 = !DISubroutineType(types: !5) |
| !5 = !{!6} |
| !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !7 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 8.0.20181009 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !8, globals: !9, nameTableKind: None) |
| !8 = !{} |
| !9 = !{!0, !10} |
| !10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression()) |
| !11 = distinct !DIGlobalVariable(name: "a", scope: !7, file: !3, line: 1, type: !12, isLocal: true, isDefinition: true) |
| !12 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !13) |
| !13 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) |
| !14 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !15) |
| !15 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) |
| !16 = !{i32 2, !"Dwarf Version", i32 4} |
| !17 = !{i32 2, !"Debug Info Version", i32 3} |
| !18 = !{i32 1, !"wchar_size", i32 4} |
| !19 = !{!"clang version 8.0.20181009 "} |
| !20 = !DILocation(line: 4, column: 10, scope: !2) |
| !21 = !{!22, !22, i64 0} |
| !22 = !{!"omnipotent char", !23, i64 0} |
| !23 = !{!"Simple C/C++ TBAA"} |
| !24 = !DILocation(line: 4, column: 14, scope: !2) |
| !25 = !{!26, !26, i64 0} |
| !26 = !{!"short", !22, i64 0} |
| !27 = !DILocation(line: 4, column: 12, scope: !2) |
| !28 = !DILocation(line: 4, column: 3, scope: !2) |
