[PATCH] X86: Use R_X86_64_TPOFF64 for FK_Data_8

[David Majnemer]

    - Small cleanup

Hi dblaikie, nrieck, rafael,

http://llvm-reviews.chandlerc.com/D1717

CHANGE SINCE LAST DIFF
  http://llvm-reviews.chandlerc.com/D1717?vs=4378&id=4434#toc

Files:
  lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
  test/MC/ELF/relocation.s

Index: lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
===================================================================
--- lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
+++ lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
@@ -108,6 +108,9 @@
         case MCSymbolRefExpr::VK_None:
           Type = ELF::R_X86_64_64;
           break;
+        case MCSymbolRefExpr::VK_TPOFF:
+          Type = ELF::R_X86_64_TPOFF64;
+          break;
         case MCSymbolRefExpr::VK_DTPOFF:
           Type = ELF::R_X86_64_DTPOFF64;
           break;
Index: test/MC/ELF/relocation.s
===================================================================
--- test/MC/ELF/relocation.s
+++ test/MC/ELF/relocation.s
@@ -19,6 +19,7 @@
         leaq    foo-bar(%r14),%r14
         addq	$bar,%rax         # R_X86_64_32S
 	.quad	foo at DTPOFF
+        movabsq	$baz at TPOFF, %rax
 
 // CHECK:        Section {
 // CHECK:          Name: .rela.text
@@ -39,6 +40,7 @@
 // CHECK-NEXT:       0x5C R_X86_64_PC32     foo 0x5C
 // CHECK-NEXT:       0x63 R_X86_64_32S      .text 0x0
 // CHECK-NEXT:       0x67 R_X86_64_DTPOFF64 foo 0x0
+// CHECK-NEXT:       0x71 R_X86_64_TPOFF64  baz 0x0
 // CHECK-NEXT:     ]
 // CHECK-NEXT:   }
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