[MCTargetAsmParser] Move the member varialbes that reference

MCSubtargetInfo in the subclasses into MCTargetAsmParser and define a
member function getSTI.

This is done in preparation for making changes to shrink the size of
MCRelaxableFragment. (see http://reviews.llvm.org/D14346).

llvm-svn: 253124

1 files changed, 8 insertions, 9 deletions

diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index b7a0e1d7027..581be1fbaa1 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -57,7 +57,6 @@ static const char OpPrecedence[] = {
 };
 
 class X86AsmParser : public MCTargetAsmParser {
-  MCSubtargetInfo &STI;
   const MCInstrInfo &MII;
   ParseInstructionInfo *InstInfo;
   std::unique_ptr<X86AsmInstrumentation> Instrumentation;
@@ -760,15 +759,15 @@ private:
 
   bool is64BitMode() const {
     // FIXME: Can tablegen auto-generate this?
-    return STI.getFeatureBits()[X86::Mode64Bit];
+    return getSTI().getFeatureBits()[X86::Mode64Bit];
   }
   bool is32BitMode() const {
     // FIXME: Can tablegen auto-generate this?
-    return STI.getFeatureBits()[X86::Mode32Bit];
+    return getSTI().getFeatureBits()[X86::Mode32Bit];
   }
   bool is16BitMode() const {
     // FIXME: Can tablegen auto-generate this?
-    return STI.getFeatureBits()[X86::Mode16Bit];
+    return getSTI().getFeatureBits()[X86::Mode16Bit];
   }
   void SwitchMode(unsigned mode) {
     FeatureBitset AllModes({X86::Mode64Bit, X86::Mode32Bit, X86::Mode16Bit});
@@ -802,10 +801,10 @@ private:
 public:
   X86AsmParser(MCSubtargetInfo &sti, MCAsmParser &Parser,
                const MCInstrInfo &mii, const MCTargetOptions &Options)
-      : MCTargetAsmParser(Options), STI(sti), MII(mii), InstInfo(nullptr) {
+    : MCTargetAsmParser(Options, sti), MII(mii), InstInfo(nullptr) {
 
     // Initialize the set of available features.
-    setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
+    setAvailableFeatures(ComputeAvailableFeatures(getSTI().getFeatureBits()));
     Instrumentation.reset(
         CreateX86AsmInstrumentation(Options, Parser.getContext(), STI));
   }
@@ -1745,7 +1744,7 @@ std::unique_ptr<X86Operand> X86AsmParser::ParseIntelOperand() {
   }
 
   // rounding mode token
-  if (STI.getFeatureBits()[X86::FeatureAVX512] &&
+  if (getSTI().getFeatureBits()[X86::FeatureAVX512] &&
       getLexer().is(AsmToken::LCurly))
     return ParseRoundingModeOp(Start, End);
 
@@ -1803,7 +1802,7 @@ std::unique_ptr<X86Operand> X86AsmParser::ParseATTOperand() {
   }
   case AsmToken::LCurly:{
     SMLoc Start = Parser.getTok().getLoc(), End;
-    if (STI.getFeatureBits()[X86::FeatureAVX512])
+    if (getSTI().getFeatureBits()[X86::FeatureAVX512])
       return ParseRoundingModeOp(Start, End);
     return ErrorOperand(Start, "unknown token in expression");
   }
@@ -1813,7 +1812,7 @@ std::unique_ptr<X86Operand> X86AsmParser::ParseATTOperand() {
 bool X86AsmParser::HandleAVX512Operand(OperandVector &Operands,
                                        const MCParsedAsmOperand &Op) {
   MCAsmParser &Parser = getParser();
-  if(STI.getFeatureBits()[X86::FeatureAVX512]) {
+  if(getSTI().getFeatureBits()[X86::FeatureAVX512]) {
     if (getLexer().is(AsmToken::LCurly)) {
       // Eat "{" and mark the current place.
       const SMLoc consumedToken = consumeToken();