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Remove the -disable-cfi option.

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This also add a release note about it. If this stays I will cleanup MC
next week.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207977 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-05-05 17:33:26 +00:00
parent d51c57f4e7
commit c6e42b5590
4 changed files with 2 additions and 40 deletions
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2
docs/ReleaseNotes.rst
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@ -52,6 +52,8 @@ Non-comprehensive list of changes in this release
* llvm-ar now handles IR files like regular object files. In particular, a
regular symbol table is created for symbols defined in IR files.
* llvm now requires assemblers that support cfi directives.
.. NOTE
For small 1-3 sentence descriptions, just add an entry at the end of
this list. If your description won't fit comfortably in one bullet

3
include/llvm/CodeGen/CommandFlags.h
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@ -87,9 +87,6 @@ FileType("filetype", cl::init(TargetMachine::CGFT_AssemblyFile),
"Emit nothing, for performance testing"),
clEnumValEnd));
cl::opt<bool> DisableCFI("disable-cfi", cl::Hidden,
cl::desc("Do not use .cfi_* directives"));
cl::opt<bool> EnableDwarfDirectory("enable-dwarf-directory", cl::Hidden,
cl::desc("Use .file directives with an explicit directory."));

34
test/CodeGen/SPARC/exception.ll
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@ -1,9 +1,7 @@
; RUN: llc < %s -march=sparc -relocation-model=static | FileCheck -check-prefix=V8ABS %s
; RUN: llc < %s -march=sparc -relocation-model=pic | FileCheck -check-prefix=V8PIC %s
; RUN: llc < %s -march=sparc -relocation-model=pic -disable-cfi | FileCheck -check-prefix=V8PIC_NOCFI %s
; RUN: llc < %s -march=sparcv9 -relocation-model=static | FileCheck -check-prefix=V9ABS %s
; RUN: llc < %s -march=sparcv9 -relocation-model=pic | FileCheck -check-prefix=V9PIC %s
; RUN: llc < %s -march=sparcv9 -relocation-model=pic -disable-cfi | FileCheck -check-prefix=V9PIC_NOCFI %s
%struct.__fundamental_type_info_pseudo = type { %struct.__type_info_pseudo }
@ -47,22 +45,6 @@
; V8PIC: .L_ZTIi.DW.stub:
; V8PIC-NEXT: .word _ZTIi
; V8PIC_NOCFI-LABEL: main:
; V8PIC_NOCFI: .section .gcc_except_table
; V8PIC_NOCFI-NOT: .section
; V8PIC_NOCFI: .word %r_disp32(.L_ZTIi.DW.stub)
; V8PIC_NOCFI: .data
; V8PIC_NOCFI: .L_ZTIi.DW.stub:
; V8PIC_NOCFI-NEXT: .word _ZTIi
; V8PIC_NOCFI: .section .eh_frame
; V8PIC_NOCFI-NOT: .section
; V8PIC_NOCFI: .byte 15 ! CIE Return Address Column
; V8PIC_NOCFI: .word %r_disp32(DW.ref.__gxx_personality_v0)
; V8PIC_NOCFI: .byte 12 ! DW_CFA_def_cfa
; V8PIC_NOCFI: .byte 14 ! Reg 14
; V8PIC_NOCFI-NEXT: .byte 0 ! Offset 0
; V8PIC_NOCFI: .word %r_disp32(.Ltmp{{.+}}) ! FDE initial location
; V9ABS-LABEL: main:
; V9ABS: .cfi_startproc
@ -89,22 +71,6 @@
; V9PIC: .L_ZTIi.DW.stub:
; V9PIC-NEXT: .xword _ZTIi
; V9PIC_NOCFI-LABEL: main:
; V9PIC_NOCFI: .section .gcc_except_table
; V9PIC_NOCFI-NOT: .section
; V9PIC_NOCFI: .word %r_disp32(.L_ZTIi.DW.stub)
; V9PIC_NOCFI: .data
; V9PIC_NOCFI: .L_ZTIi.DW.stub:
; V9PIC_NOCFI-NEXT: .xword _ZTIi
; V9PIC_NOCFI: .section .eh_frame
; V9PIC_NOCFI-NOT: .section
; V9PIC_NOCFI: .byte 15 ! CIE Return Address Column
; V9PIC_NOCFI: .word %r_disp32(DW.ref.__gxx_personality_v0)
; V9PIC_NOCFI: .byte 12 ! DW_CFA_def_cfa
; V9PIC_NOCFI-NEXT: .byte 14 ! Reg 14
; V9PIC_NOCFI: .ascii "\377\017" ! Offset 2047
; V9PIC_NOCFI: .word %r_disp32(.Ltmp{{.+}}) ! FDE initial location
define i32 @main(i32 %argc, i8** nocapture readnone %argv) unnamed_addr #0 {
entry:
%0 = icmp eq i32 %argc, 2

3
tools/llc/llc.cpp
View File

@ -280,9 +280,6 @@ static int compileModule(char **argv, LLVMContext &Context) {
assert(mod && "Should have exited after outputting help!");
TargetMachine &Target = *target.get();
if (DisableCFI)
Target.setMCUseCFI(false);
if (EnableDwarfDirectory)
Target.setMCUseDwarfDirectory(true);