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llvm-mirror/test/DebugInfo/Mips/dwarfdump-tls.ll
Simon Atanasyan 4cdd4f9d60 Reapply: [mips] Handle MipsMCExpr sub-expression for the MEK_DTPREL tag
This reapplies commit r351987 with a failed test fix. Now the test
accepts both DW_OP_GNU_push_tls_address and DW_OP_form_tls_address
opcode.

Original commit message:
```
  This is a fix for a regression introduced by the rL348194 commit. In
  that change new type (MEK_DTPREL) of MipsMCExpr expression was added,
  but in some places of the code this type of expression considered as
  unexpected.

  This change fixes the bug. The MEK_DTPREL type of expression is used for
  marking TLS DIEExpr only and contains a regular sub-expression. Where we
  need to handle the expression, we retrieve the sub-expression and
  handle it in a common way.
```

llvm-svn: 352034
2019-01-24 09:13:14 +00:00

44 lines
1.9 KiB
LLVM

; RUN: llc -O0 -march=mips -mcpu=mips32r2 -filetype=obj \
; RUN: -split-dwarf-file=foo.dwo -o=%t-32.o < %s
; RUN: llvm-dwarfdump %t-32.o 2>&1 | FileCheck %s
; RUN: llc -O0 -march=mips64 -mcpu=mips64r2 -filetype=obj \
; RUN: -split-dwarf-file=foo.dwo -o=%t-64.o < %s
; RUN: llvm-dwarfdump %t-64.o 2>&1 | FileCheck %s
; RUN: llc -O0 -march=mips -mcpu=mips32r2 -filetype=asm \
; RUN: -split-dwarf-file=foo.dwo < %s | FileCheck -check-prefix=ASM32 %s
; RUN: llc -O0 -march=mips64 -mcpu=mips64r2 -filetype=asm \
; RUN: -split-dwarf-file=foo.dwo < %s | FileCheck -check-prefix=ASM64 %s
@x = thread_local global i32 5, align 4, !dbg !0
; CHECK-NOT: error: failed to compute relocation: R_MIPS_TLS_DTPREL
; CHECK: DW_AT_name ("x")
; CHECK-NEXT: DW_AT_type (0x00000025 "int")
; CHECK-NEXT: DW_AT_external (true)
; CHECK-NEXT: DW_AT_decl_file (0x01)
; CHECK-NEXT: DW_AT_decl_line (1)
; CHECK-NEXT: DW_AT_location (DW_OP_GNU_const_index 0x0, {{DW_OP_GNU_push_tls_address|DW_OP_form_tls_address}})
; ASM32: .section .debug_addr
; ASM32-NEXT: $addr_table_base0:
; ASM32-NEXT: .4byte x+32768
; ASM64: .section .debug_addr
; ASM64-NEXT: .Laddr_table_base0:
; ASM64-NEXT: .8byte x+32768
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!7, !8}
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 4.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
!3 = !DIFile(filename: "tls.c", directory: "/tmp")
!4 = !{}
!5 = !{!0}
!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!7 = !{i32 2, !"Dwarf Version", i32 4}
!8 = !{i32 2, !"Debug Info Version", i32 3}