You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
3.4 KiB
66 lines
3.4 KiB
4 months ago
|
; 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:
|
||
|
|
; char g __attribute__((weak));
|
||
|
|
; int test() {
|
||
|
|
; return g;
|
||
|
|
; }
|
||
|
|
; Compilation flag:
|
||
|
|
; clang -target bpf -O2 -g -S -emit-llvm test.c
|
||
|
|
|
||
|
|
@g = weak dso_local local_unnamed_addr global i8 0, align 1, !dbg !0
|
||
|
|
; Function Attrs: norecurse nounwind readonly
|
||
|
|
define dso_local i32 @test() local_unnamed_addr #0 !dbg !11 {
|
||
|
|
entry:
|
||
|
|
%0 = load i8, i8* @g, align 1, !dbg !15, !tbaa !16
|
||
|
|
%conv = sext i8 %0 to i32, !dbg !15
|
||
|
|
ret i32 %conv, !dbg !19
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK: .long 55 # BTF_KIND_INT(id = 4)
|
||
|
|
; CHECK-NEXT: .long 16777216 # 0x1000000
|
||
|
|
; CHECK-NEXT: .long 1
|
||
|
|
; CHECK-NEXT: .long 16777224 # 0x1000008
|
||
|
|
; CHECK-NEXT: .long 60 # BTF_KIND_VAR(id = 5)
|
||
|
|
; CHECK-NEXT: .long 234881024 # 0xe000000
|
||
|
|
; CHECK-NEXT: .long 4
|
||
|
|
; CHECK-NEXT: .long 1
|
||
|
|
; CHECK-NEXT: .long 62 # BTF_KIND_DATASEC(id = 6)
|
||
|
|
; CHECK-NEXT: .long 251658241 # 0xf000001
|
||
|
|
; CHECK-NEXT: .long 0
|
||
|
|
; CHECK-NEXT: .long 5
|
||
|
|
; CHECK-NEXT: .long g
|
||
|
|
; CHECK-NEXT: .long 1
|
||
|
|
|
||
|
|
; CHECK: .ascii "char" # string offset=55
|
||
|
|
; CHECK: .byte 103 # string offset=60
|
||
|
|
; CHECK: .ascii ".bss" # string offset=62
|
||
|
|
|
||
|
|
attributes #0 = { norecurse nounwind readonly "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" }
|
||
|
|
|
||
|
|
!llvm.dbg.cu = !{!2}
|
||
|
|
!llvm.module.flags = !{!7, !8, !9}
|
||
|
|
!llvm.ident = !{!10}
|
||
|
|
|
||
|
|
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
|
||
|
|
!1 = distinct !DIGlobalVariable(name: "g", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
|
||
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git edf6717d8d30034da932b95350898e03c90a5082)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None)
|
||
|
|
!3 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/global")
|
||
|
|
!4 = !{}
|
||
|
|
!5 = !{!0}
|
||
|
|
!6 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
|
||
|
|
!7 = !{i32 7, !"Dwarf Version", i32 4}
|
||
|
|
!8 = !{i32 2, !"Debug Info Version", i32 3}
|
||
|
|
!9 = !{i32 1, !"wchar_size", i32 4}
|
||
|
|
!10 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git edf6717d8d30034da932b95350898e03c90a5082)"}
|
||
|
|
!11 = distinct !DISubprogram(name: "test", scope: !3, file: !3, line: 2, type: !12, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4)
|
||
|
|
!12 = !DISubroutineType(types: !13)
|
||
|
|
!13 = !{!14}
|
||
|
|
!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
||
|
|
!15 = !DILocation(line: 3, column: 10, scope: !11)
|
||
|
|
!16 = !{!17, !17, i64 0}
|
||
|
|
!17 = !{!"omnipotent char", !18, i64 0}
|
||
|
|
!18 = !{!"Simple C/C++ TBAA"}
|
||
|
|
!19 = !DILocation(line: 3, column: 3, scope: !11)
|