MachO: enable .data_region directives everywhere

We'd disabled them on x86 because back in the early days some host tools
couldn't handle the new load commands. This no longer holds: anyone capable of
deploying Clang should be able to deploy its copies of ar/ranlib/etc.

rdar://25254790

llvm-svn: 267075

3 files changed, 1 insertions, 6 deletions

diff --git a/llvm/lib/MC/MCAsmBackend.cpp b/llvm/lib/MC/MCAsmBackend.cpp
index 281bba27a0e..b868b9d4889 100644
--- a/llvm/lib/MC/MCAsmBackend.cpp
+++ b/llvm/lib/MC/MCAsmBackend.cpp
@@ -12,7 +12,7 @@
 #include "llvm/MC/MCFixupKindInfo.h"
 using namespace llvm;
 
-MCAsmBackend::MCAsmBackend() : HasDataInCodeSupport(false) {}
+MCAsmBackend::MCAsmBackend() {}
 
 MCAsmBackend::~MCAsmBackend() {}
 
diff --git a/llvm/lib/MC/MCMachOStreamer.cpp b/llvm/lib/MC/MCMachOStreamer.cpp
index 7f0bfbd9a65..45a497240b4 100644
--- a/llvm/lib/MC/MCMachOStreamer.cpp
+++ b/llvm/lib/MC/MCMachOStreamer.cpp
@@ -214,8 +214,6 @@ void MCMachOStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
 }
 
 void MCMachOStreamer::EmitDataRegion(DataRegionData::KindTy Kind) {
-  if (!getAssembler().getBackend().hasDataInCodeSupport())
-    return;
   // Create a temporary label to mark the start of the data region.
   MCSymbol *Start = getContext().createTempSymbol();
   EmitLabel(Start);
@@ -226,8 +224,6 @@ void MCMachOStreamer::EmitDataRegion(DataRegionData::KindTy Kind) {
 }
 
 void MCMachOStreamer::EmitDataRegionEnd() {
-  if (!getAssembler().getBackend().hasDataInCodeSupport())
-    return;
   std::vector<DataRegionData> &Regions = getAssembler().getDataRegions();
   assert(!Regions.empty() && "Mismatched .end_data_region!");
   DataRegionData &Data = Regions.back();
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h
index 23e5005bd91..09dc0173ade 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h
@@ -21,7 +21,6 @@ public:
   ARMAsmBackendDarwin(const Target &T, const Triple &TT,
                       const MCRegisterInfo &MRI, MachO::CPUSubTypeARM st)
       : ARMAsmBackend(T, TT, /* IsLittleEndian */ true), MRI(MRI), Subtype(st) {
-    HasDataInCodeSupport = true;
   }
 
   MCObjectWriter *createObjectWriter(raw_pwrite_stream &OS) const override {