[llvm] r268437 - X86-Darwin: start emitting data-region directives for jump-tables.

[Tim Northover via llvm-commits]

Author: tnorthover
Date: Tue May  3 16:03:41 2016
New Revision: 268437

URL: http://llvm.org/viewvc/llvm-project?rev=268437&view=rev
Log:
X86-Darwin: start emitting data-region directives for jump-tables.

The surrounding tools can cope these days, and they were invented for a reason.

Modified:
    llvm/trunk/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
    llvm/trunk/test/CodeGen/X86/global-sections.ll
    llvm/trunk/test/CodeGen/X86/pic_jumptable.ll

Modified: llvm/trunk/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp?rev=268437&r1=268436&r2=268437&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp Tue May  3 16:03:41 2016
@@ -39,7 +39,7 @@ RelaxELFRel("relax-relocations", cl::ini
   cl::desc("Emit R_X86_64_GOTPCRELX instead of R_X86_64_GOTPCREL"));
 
 static cl::opt<bool>
-MarkedJTDataRegions("mark-data-regions", cl::init(false),
+MarkedJTDataRegions("mark-data-regions", cl::init(true),
   cl::desc("Mark code section jump table data regions."),
   cl::Hidden);
 

Modified: llvm/trunk/test/CodeGen/X86/global-sections.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/global-sections.ll?rev=268437&r1=268436&r2=268437&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/global-sections.ll (original)
+++ llvm/trunk/test/CodeGen/X86/global-sections.ll Tue May  3 16:03:41 2016
@@ -93,11 +93,13 @@ bb7:
 ; DARWIN64: Lfunc_end
 ; DARWIN64-NEXT: .cfi_endproc
 ; DARWIN64-NOT: .section
+; DARWIN64: .data_region jt32
 ; DARWIN64: LJTI{{.*}}:
 ; DARWIN64-NEXT: .long
 ; DARWIN64-NEXT: .long
 ; DARWIN64-NEXT: .long
 ; DARWIN64-NEXT: .long
+; DARWIN64-NEXT: .end_data_region
 ; DARWIN64-NEXT: .section        __TEXT,__gcc_except_tab
 
 ; int G1;

Modified: llvm/trunk/test/CodeGen/X86/pic_jumptable.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/pic_jumptable.ll?rev=268437&r1=268436&r2=268437&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/pic_jumptable.ll (original)
+++ llvm/trunk/test/CodeGen/X86/pic_jumptable.ll Tue May  3 16:03:41 2016
@@ -3,7 +3,7 @@
 ; RUN: llc < %s -relocation-model=pic -mark-data-regions -mtriple=i686-apple-darwin -asm-verbose=false \
 ; RUN:   | FileCheck %s --check-prefix=CHECK-DATA
 ; RUN: llc < %s -relocation-model=pic -mtriple=i686-apple-darwin -asm-verbose=false \
-; RUN:   | FileCheck %s
+; RUN:   | FileCheck %s --check-prefix=CHECK-DATA
 ; RUN: llc < %s                       -mtriple=x86_64-apple-darwin | not grep 'lJTI'
 ; rdar://6971437
 ; rdar://7738756