Revert commit r219835 and r219829.

Revert "Correctly handle references to section symbols."
Revert "Allow forward references to section symbols."

Rui found a regression I am debugging.

llvm-svn: 220010

4 files changed, 1 insertions, 126 deletions

diff --git a/llvm/test/MC/ELF/comdat.s b/llvm/test/MC/ELF/comdat.s
index 47966755220..ae2cc6b228b 100644
--- a/llvm/test/MC/ELF/comdat.s
+++ b/llvm/test/MC/ELF/comdat.s
@@ -41,7 +41,7 @@
 // CHECK-NEXT:     Offset: 0x54
 // CHECK-NEXT:     Size: 12
 // CHECK-NEXT:     Link: 13
-// CHECK-NEXT:     Info: 10
+// CHECK-NEXT:     Info: 13
 // CHECK-NEXT:     AddressAlignment: 4
 // CHECK-NEXT:     EntrySize: 4
 // CHECK-NEXT:   }
diff --git a/llvm/test/MC/ELF/section-sym-err.s b/llvm/test/MC/ELF/section-sym-err.s
deleted file mode 100644
index 789fee7c422..00000000000
--- a/llvm/test/MC/ELF/section-sym-err.s
+++ /dev/null
@@ -1,6 +0,0 @@
-// RUN: not llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t.o 2>&1 | FileCheck %s
-
-.section foo
-foo:
-
-// CHECK: error: invalid symbol redefinition
diff --git a/llvm/test/MC/ELF/section-sym.s b/llvm/test/MC/ELF/section-sym.s
deleted file mode 100644
index 3b76d813fe7..00000000000
--- a/llvm/test/MC/ELF/section-sym.s
+++ /dev/null
@@ -1,91 +0,0 @@
-// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -s -t -r --expand-relocs | FileCheck %s
-
-.section foo, "aG", @progbits, f1, comdat
-.section foo, "G", @progbits, f2, comdat
-.section bar
-.long foo
-
-// Test that the relocation points to the first section foo.
-
-// The first seciton foo has index 6
-// CHECK:      Section {
-// CHECK:        Index:   6
-// CHECK-NEXT:   Name:    foo (28)
-// CHECK-NEXT:   Type:    SHT_PROGBITS (0x1)
-// CHECK-NEXT:   Flags [ (0x202)
-// CHECK-NEXT:     SHF_ALLOC (0x2)
-// CHECK-NEXT:     SHF_GROUP (0x200)
-// CHECK-NEXT:   ]
-// CHECK-NEXT:   Address:         0x0
-// CHECK-NEXT:   Offset:  0x50
-// CHECK-NEXT:   Size:    0
-// CHECK-NEXT:   Link:    0
-// CHECK-NEXT:   Info:    0
-// CHECK-NEXT:   AddressAlignment:        1
-// CHECK-NEXT:   EntrySize:       0
-// CHECK-NEXT: }
-// CHECK-NEXT: Section {
-// CHECK-NEXT:   Index:   7
-// CHECK-NEXT:   Name:    foo (28)
-// CHECK-NEXT:   Type:    SHT_PROGBITS (0x1)
-// CHECK-NEXT:   Flags [ (0x200)
-// CHECK-NEXT:     SHF_GROUP (0x200)
-// CHECK-NEXT:   ]
-// CHECK-NEXT:   Address:         0x0
-// CHECK-NEXT:   Offset:  0x50
-// CHECK-NEXT:   Size:    0
-// CHECK-NEXT:   Link:    0
-// CHECK-NEXT:   Info:    0
-// CHECK-NEXT:   AddressAlignment:        1
-// CHECK-NEXT:   EntrySize:       0
-// CHECK-NEXT: }
-
-// The relocation points to symbol 6
-// CHECK:      Relocations [
-// CHECK-NEXT:   Section (9) .relabar {
-// CHECK-NEXT:     Relocation {
-// CHECK-NEXT:       Offset:  0x0
-// CHECK-NEXT:       Type:    R_X86_64_32 (10)
-// CHECK-NEXT:       Symbol:  foo (6)
-// CHECK-NEXT:       Addend:  0x0
-// CHECK-NEXT:     }
-// CHECK-NEXT:   }
-// CHECK-NEXT: ]
-
-
-// The symbol 6 corresponds section 6
-// CHECK: Symbols [
-
-// symbol 0
-// CHECK-NOT: Name
-// CHECK: Name:
-
-// symbol 1
-// CHECK-NOT: Name
-// CHECK: Name:    f1
-
-// symbol 2
-// CHECK-NOT: Name
-// CHECK: Name:    f2
-
-// symbol 3
-// CHECK-NOT: Name
-// CHECK: Name:    .text
-
-// symbol 4
-// CHECK-NOT: Name
-// CHECK: Name:    .data
-
-// symbol 5
-// CHECK-NOT: Name
-// CHECK: Name:    .bss
-
-// symbol 6
-// CHECK-NOT: Name
-// CHECK: Name:    foo
-// CHECK: Section: foo (0x6)
-
-// symbol 7
-// CHECK-NOT: Name
-// CHECK: Name:    foo
-// CHECK: Section: foo (0x7)
diff --git a/llvm/test/MC/ELF/section-sym2.s b/llvm/test/MC/ELF/section-sym2.s
deleted file mode 100644
index acdb7d9547d..00000000000
--- a/llvm/test/MC/ELF/section-sym2.s
+++ /dev/null
@@ -1,28 +0,0 @@
-// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj  -t -r --expand-relocs | FileCheck %s
-
-// Test that we can forward reference a section.
-
-mov .rodata, %rsi
-.section .rodata
-
-// CHECK:Relocations [
-// CHECK:  Section (2) .rela.text {
-// CHECK:    Relocation {
-// CHECK:      Offset: 0x4
-// CHECK:      Type: R_X86_64_32S (11)
-// CHECK:      Symbol: .rodata
-// CHECK:      Addend: 0x0
-// CHECK:    }
-// CHECK:  }
-// CHECK:]
-
-// There is only one .rodata symbol
-
-// CHECK:Symbols [
-// CHECK-NOT:    Name: .rodata
-// CHECK:        Name: .rodata
-// CHECK-NEXT:   Value: 0x0
-// CHECK-NEXT:   Size: 0
-// CHECK-NEXT:   Binding: Local (0x0)
-// CHECK-NEXT:   Type: Section (0x3)
-// CHECK-NOT:    Name: .rodata