70 lines
3.6 KiB
LLVM
70 lines
3.6 KiB
LLVM
|
; RUN: llc -march=bpfel -filetype=obj -o - %s | llvm-objdump -S - | FileCheck %s
|
||
|
|
; RUN: llc -march=bpfeb -filetype=obj -o - %s | llvm-objdump -S - | FileCheck %s
|
||
|
|
;
|
||
|
|
; Source code:
|
||
|
|
; __attribute__((section("s1")))
|
||
|
|
; int func1(int a) {
|
||
|
|
; return a * a;
|
||
|
|
; }
|
||
|
|
; __attribute__((section("s2")))
|
||
|
|
; int func2(int a) {
|
||
|
|
; return a * a * a;
|
||
|
|
; }
|
||
|
|
; Compiler flag to generate IR:
|
||
|
|
; clang -target bpf -S -gdwarf-5 -gembed-source -emit-llvm -g -O2 bug.c
|
||
|
|
|
||
|
|
; Function Attrs: norecurse nounwind readnone
|
||
|
|
define dso_local i32 @func1(i32 %a) local_unnamed_addr #0 section "s1" !dbg !7 {
|
||
|
|
entry:
|
||
|
|
; CHECK: <func1>:
|
||
|
|
call void @llvm.dbg.value(metadata i32 %a, metadata !12, metadata !DIExpression()), !dbg !13
|
||
|
|
%mul = mul nsw i32 %a, %a, !dbg !14
|
||
|
|
ret i32 %mul, !dbg !15
|
||
|
|
; CHECK: ; return a * a;
|
||
|
|
}
|
||
|
|
|
||
|
|
; Function Attrs: norecurse nounwind readnone
|
||
|
|
define dso_local i32 @func2(i32 %a) local_unnamed_addr #0 section "s2" !dbg !16 {
|
||
|
|
entry:
|
||
|
|
; CHECK: <func2>:
|
||
|
|
call void @llvm.dbg.value(metadata i32 %a, metadata !18, metadata !DIExpression()), !dbg !19
|
||
|
|
%mul = mul nsw i32 %a, %a, !dbg !20
|
||
|
|
%mul1 = mul nsw i32 %mul, %a, !dbg !21
|
||
|
|
ret i32 %mul1, !dbg !22
|
||
|
|
; CHECK: ; return a * a * a;
|
||
|
|
}
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone speculatable
|
||
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata) #1
|
||
|
|
|
||
|
|
attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "frame-pointer"="all" "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 = { nounwind readnone speculatable }
|
||
|
|
|
||
|
|
!llvm.dbg.cu = !{!0}
|
||
|
|
!llvm.module.flags = !{!3, !4, !5}
|
||
|
|
!llvm.ident = !{!6}
|
||
|
|
|
||
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0 (trunk 366422) (llvm/trunk 366423)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
|
||
|
|
!1 = !DIFile(filename: "bug.c", directory: "/tmp/home/yhs/work/tests/llvm/reloc", checksumkind: CSK_MD5, checksum: "c7c9938d4e6989ca33db748213aab194", source: "__attribute__((section(\22s1\22)))\0Aint func1(int a) {\0A return a * a;\0A}\0A__attribute__((section(\22s2\22)))\0Aint func2(int a) {\0A return a * a * a;\0A}\0A")
|
||
|
|
!2 = !{}
|
||
|
|
!3 = !{i32 2, !"Dwarf Version", i32 5}
|
||
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
||
|
|
!5 = !{i32 1, !"wchar_size", i32 4}
|
||
|
|
!6 = !{!"clang version 9.0.0 (trunk 366422) (llvm/trunk 366423)"}
|
||
|
|
!7 = distinct !DISubprogram(name: "func1", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11)
|
||
|
|
!8 = !DISubroutineType(types: !9)
|
||
|
|
!9 = !{!10, !10}
|
||
|
|
!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
||
|
|
!11 = !{!12}
|
||
|
|
!12 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !1, line: 2, type: !10)
|
||
|
|
!13 = !DILocation(line: 0, scope: !7)
|
||
|
|
!14 = !DILocation(line: 3, column: 14, scope: !7)
|
||
|
|
!15 = !DILocation(line: 3, column: 5, scope: !7)
|
||
|
|
!16 = distinct !DISubprogram(name: "func2", scope: !1, file: !1, line: 6, type: !8, scopeLine: 6, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17)
|
||
|
|
!17 = !{!18}
|
||
|
|
!18 = !DILocalVariable(name: "a", arg: 1, scope: !16, file: !1, line: 6, type: !10)
|
||
|
|
!19 = !DILocation(line: 0, scope: !16)
|
||
|
|
!20 = !DILocation(line: 7, column: 14, scope: !16)
|
||
|
|
!21 = !DILocation(line: 7, column: 18, scope: !16)
|
||
|
|
!22 = !DILocation(line: 7, column: 5, scope: !16)
|