be3fd6ae25
In some cases, such as using `lto` or `llc`, relax feature is not available from this `SubtargetInfo` (`LoongArchAsmBackend` is instantiated too early), causing loss of relocations. This commit modifiy the condition to check whether the section which contains the two symbols is relaxable. If not relaxable, no need to record relocations.
74 lines
3.5 KiB
LLVM
74 lines
3.5 KiB
LLVM
; RUN: llc --filetype=obj --mtriple=loongarch64 %s -o %t.o
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; RUN: llvm-readobj -r %t.o | FileCheck %s
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; RUN: llc --filetype=obj --mtriple=loongarch64 --mattr=+relax %s -o %t.r
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; RUN: llvm-readobj -r %t.r | FileCheck %s
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; CHECK: Relocations [
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; CHECK-NEXT: Section ({{.*}}) .rela.text {
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; CHECK-NEXT: 0x14 R_LARCH_PCALA_HI20 sym 0x0
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; CHECK-NEXT: 0x14 R_LARCH_RELAX - 0x0
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; CHECK-NEXT: 0x18 R_LARCH_PCALA_LO12 sym 0x0
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; CHECK-NEXT: 0x18 R_LARCH_RELAX - 0x0
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; CHECK-NEXT: }
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; CHECK-NEXT: Section ({{.*}}) .rela.debug_info {
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; CHECK-NEXT: 0x8 R_LARCH_32 .debug_abbrev 0x0
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; CHECK-NEXT: 0x11 R_LARCH_32 .L0 0x0
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; CHECK-NEXT: 0x15 R_LARCH_32 .Lline_table_start0 0x0
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; CHECK-NEXT: 0x1B R_LARCH_ADD32 .L0 0x0
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; CHECK-NEXT: 0x1B R_LARCH_SUB32 .L0 0x0
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; CHECK-NEXT: 0x1F R_LARCH_32 .L0 0x0
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; CHECK-NEXT: 0x25 R_LARCH_ADD32 .L0 0x0
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; CHECK-NEXT: 0x25 R_LARCH_SUB32 .L0 0x0
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; CHECK-NEXT: }
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; CHECK: Section ({{.*}}) .rela.debug_frame {
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; CHECK-NEXT: 0x1C R_LARCH_32 .L0 0x0
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; CHECK-NEXT: 0x20 R_LARCH_64 .L0 0x0
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; CHECK-NEXT: 0x28 R_LARCH_ADD64 .L0 0x0
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; CHECK-NEXT: 0x28 R_LARCH_SUB64 .L0 0x0
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; CHECK-NEXT: 0x3F R_LARCH_ADD6 .L0 0x0
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; CHECK-NEXT: 0x3F R_LARCH_SUB6 .L0 0x0
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; CHECK-NEXT: }
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; CHECK-NEXT: Section ({{.*}}) .rela.debug_line {
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; CHECK-NEXT: 0x22 R_LARCH_32 .debug_line_str 0x0
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; CHECK-NEXT: 0x31 R_LARCH_32 .debug_line_str 0x2
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; CHECK-NEXT: 0x46 R_LARCH_32 .debug_line_str 0x9
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; CHECK-NEXT: 0x4F R_LARCH_64 .L0 0x0
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; CHECK-NEXT: 0x5F R_LARCH_ADD16 .L0 0x0
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; CHECK-NEXT: 0x5F R_LARCH_SUB16 .L0 0x0
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; CHECK-NEXT: }
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; CHECK-NEXT: ]
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; ModuleID = 'test.c'
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source_filename = "test.c"
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target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
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target triple = "loongarch64"
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; Function Attrs: noinline nounwind optnone
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define dso_local signext i32 @foo() #0 !dbg !8 {
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call void asm sideeffect ".cfi_remember_state\0A\09.cfi_adjust_cfa_offset 16\0A\09nop\0A\09la.pcrel $$t0, sym\0A\09nop\0A\09.cfi_restore_state\0A\09", ""() #1, !dbg !12, !srcloc !13
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ret i32 0, !dbg !14
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}
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attributes #0 = { noinline nounwind optnone "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="loongarch64" "target-features"="+64bit,+d,+f,+ual,+relax" }
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attributes #1 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3, !4, !5, !6}
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!llvm.ident = !{!7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "test.c", directory: ".", checksumkind: CSK_MD5, checksum: "f44d6d71bc4da58b4abe338ca507c007", source: "int foo()\0A{\0A asm volatile(\0A \22.cfi_remember_state\\n\\t\22\0A \22.cfi_adjust_cfa_offset 16\\n\\t\22\0A \22nop\\n\\t\22\0A \22la.pcrel $t0, sym\\n\\t\22\0A \22nop\\n\\t\22\0A \22.cfi_restore_state\\n\\t\22);\0A return 0;\0A}\0A")
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!2 = !{i32 7, !"Dwarf Version", i32 5}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = !{i32 1, !"wchar_size", i32 4}
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!5 = !{i32 7, !"direct-access-external-data", i32 0}
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!6 = !{i32 7, !"frame-pointer", i32 2}
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!7 = !{!"clang"}
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!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !9, scopeLine: 2, spFlags: DISPFlagDefinition, unit: !0)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11}
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!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!12 = !DILocation(line: 3, column: 3, scope: !8)
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!13 = !{i64 34, i64 56, i64 92, i64 106, i64 134, i64 148, i64 177}
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!14 = !DILocation(line: 10, column: 3, scope: !8)
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