| ; 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: |
| ; typedef int * int_ptr; |
| ; static int * volatile v1; |
| ; static const int * volatile v2; |
| ; static volatile int_ptr v3 = 0; |
| ; static volatile const int_ptr v4 = 0; |
| ; long foo() { return (long)(v1 - v2 + v3 - v4); } |
| ; Compilation flag: |
| ; clang -target bpf -O2 -g -S -emit-llvm test.c |
| |
| @v1 = internal global i32* null, align 8, !dbg !0 |
| @v2 = internal global i32* null, align 8, !dbg !8 |
| @v3 = internal global i32* null, align 8, !dbg !14 |
| @v4 = internal constant i32* null, align 8, !dbg !19 |
| |
| ; Function Attrs: norecurse nounwind |
| define dso_local i64 @foo() local_unnamed_addr #0 !dbg !27 { |
| %1 = load volatile i32*, i32** @v1, align 8, !dbg !29, !tbaa !30 |
| %2 = load volatile i32*, i32** @v2, align 8, !dbg !34, !tbaa !30 |
| %3 = ptrtoint i32* %1 to i64, !dbg !35 |
| %4 = ptrtoint i32* %2 to i64, !dbg !35 |
| %5 = sub i64 %3, %4, !dbg !35 |
| %6 = ashr exact i64 %5, 2, !dbg !35 |
| %7 = load volatile i32*, i32** @v3, align 8, !dbg !36, !tbaa !30 |
| %8 = getelementptr inbounds i32, i32* %7, i64 %6, !dbg !37 |
| %9 = load volatile i32*, i32** @v4, align 8, !dbg !38, !tbaa !30 |
| %10 = ptrtoint i32* %8 to i64, !dbg !39 |
| %11 = ptrtoint i32* %9 to i64, !dbg !39 |
| %12 = sub i64 %10, %11, !dbg !39 |
| %13 = ashr exact i64 %12, 2, !dbg !39 |
| ret i64 %13, !dbg !40 |
| } |
| |
| ; 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 288 |
| ; CHECK-NEXT: .long 288 |
| ; CHECK-NEXT: .long 95 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1) |
| ; CHECK-NEXT: .long 218103808 # 0xd000000 |
| ; CHECK-NEXT: .long 2 |
| ; CHECK-NEXT: .long 45 # BTF_KIND_INT(id = 2) |
| ; CHECK-NEXT: .long 16777216 # 0x1000000 |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 16777280 # 0x1000040 |
| ; CHECK-NEXT: .long 54 # 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 0 # BTF_KIND_PTR(id = 5) |
| ; CHECK-NEXT: .long 33554432 # 0x2000000 |
| ; CHECK-NEXT: .long 6 |
| ; CHECK-NEXT: .long 58 # BTF_KIND_INT(id = 6) |
| ; CHECK-NEXT: .long 16777216 # 0x1000000 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 16777248 # 0x1000020 |
| ; CHECK-NEXT: .long 62 # BTF_KIND_VAR(id = 7) |
| ; CHECK-NEXT: .long 234881024 # 0xe000000 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 8) |
| ; CHECK-NEXT: .long 150994944 # 0x9000000 |
| ; CHECK-NEXT: .long 9 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_PTR(id = 9) |
| ; CHECK-NEXT: .long 33554432 # 0x2000000 |
| ; CHECK-NEXT: .long 10 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_CONST(id = 10) |
| ; CHECK-NEXT: .long 167772160 # 0xa000000 |
| ; CHECK-NEXT: .long 6 |
| ; CHECK-NEXT: .long 65 # BTF_KIND_VAR(id = 11) |
| ; CHECK-NEXT: .long 234881024 # 0xe000000 |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 12) |
| ; CHECK-NEXT: .long 150994944 # 0x9000000 |
| ; CHECK-NEXT: .long 13 |
| ; CHECK-NEXT: .long 68 # BTF_KIND_TYPEDEF(id = 13) |
| ; CHECK-NEXT: .long 134217728 # 0x8000000 |
| ; CHECK-NEXT: .long 5 |
| ; CHECK-NEXT: .long 76 # BTF_KIND_VAR(id = 14) |
| ; CHECK-NEXT: .long 234881024 # 0xe000000 |
| ; CHECK-NEXT: .long 12 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_CONST(id = 15) |
| ; CHECK-NEXT: .long 167772160 # 0xa000000 |
| ; CHECK-NEXT: .long 12 |
| ; CHECK-NEXT: .long 79 # BTF_KIND_VAR(id = 16) |
| ; CHECK-NEXT: .long 234881024 # 0xe000000 |
| ; CHECK-NEXT: .long 15 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 82 # BTF_KIND_DATASEC(id = 17) |
| ; CHECK-NEXT: .long 251658243 # 0xf000003 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 7 |
| ; CHECK-NEXT: .long v1 |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 11 |
| ; CHECK-NEXT: .long v2 |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 14 |
| ; CHECK-NEXT: .long v3 |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 87 # BTF_KIND_DATASEC(id = 18) |
| ; CHECK-NEXT: .long 251658241 # 0xf000001 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 16 |
| ; CHECK-NEXT: .long v4 |
| ; CHECK-NEXT: .long 8 |
| ; 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/bugs/test.c" # string offset=7 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "long int" # string offset=45 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "foo" # string offset=54 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "int" # string offset=58 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "v1" # string offset=62 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "v2" # string offset=65 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "int_ptr" # string offset=68 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "v3" # string offset=76 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "v4" # string offset=79 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii ".bss" # string offset=82 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii ".rodata" # string offset=87 |
| ; 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 = !{!2} |
| !llvm.module.flags = !{!23, !24, !25} |
| !llvm.ident = !{!26} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "v1", scope: !2, file: !3, line: 2, type: !22, isLocal: true, isDefinition: true) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 8.0.20181009 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !7, nameTableKind: None) |
| !3 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bugs") |
| !4 = !{} |
| !5 = !{!6} |
| !6 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed) |
| !7 = !{!0, !8, !14, !19} |
| !8 = !DIGlobalVariableExpression(var: !9, expr: !DIExpression()) |
| !9 = distinct !DIGlobalVariable(name: "v2", scope: !2, file: !3, line: 3, type: !10, isLocal: true, isDefinition: true) |
| !10 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !11) |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64) |
| !12 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !13) |
| !13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !14 = !DIGlobalVariableExpression(var: !15, expr: !DIExpression()) |
| !15 = distinct !DIGlobalVariable(name: "v3", scope: !2, file: !3, line: 4, type: !16, isLocal: true, isDefinition: true) |
| !16 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !17) |
| !17 = !DIDerivedType(tag: DW_TAG_typedef, name: "int_ptr", file: !3, line: 1, baseType: !18) |
| !18 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64) |
| !19 = !DIGlobalVariableExpression(var: !20, expr: !DIExpression()) |
| !20 = distinct !DIGlobalVariable(name: "v4", scope: !2, file: !3, line: 5, type: !21, isLocal: true, isDefinition: true) |
| !21 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !16) |
| !22 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !18) |
| !23 = !{i32 2, !"Dwarf Version", i32 4} |
| !24 = !{i32 2, !"Debug Info Version", i32 3} |
| !25 = !{i32 1, !"wchar_size", i32 4} |
| !26 = !{!"clang version 8.0.20181009 "} |
| !27 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 6, type: !28, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: true, unit: !2, retainedNodes: !4) |
| !28 = !DISubroutineType(types: !5) |
| !29 = !DILocation(line: 6, column: 28, scope: !27) |
| !30 = !{!31, !31, i64 0} |
| !31 = !{!"any pointer", !32, i64 0} |
| !32 = !{!"omnipotent char", !33, i64 0} |
| !33 = !{!"Simple C/C++ TBAA"} |
| !34 = !DILocation(line: 6, column: 33, scope: !27) |
| !35 = !DILocation(line: 6, column: 31, scope: !27) |
| !36 = !DILocation(line: 6, column: 38, scope: !27) |
| !37 = !DILocation(line: 6, column: 36, scope: !27) |
| !38 = !DILocation(line: 6, column: 43, scope: !27) |
| !39 = !DILocation(line: 6, column: 41, scope: !27) |
| !40 = !DILocation(line: 6, column: 14, scope: !27) |