Add -print-schedule scheduling comments to inline asm.
Differential Revision: https://reviews.llvm.org/D39728

llvm-svn: 317782
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
index 5250f1b..b476ac0 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
@@ -144,6 +144,7 @@
                        " we don't have an asm parser for this target\n");
   Parser->setAssemblerDialect(Dialect);
   Parser->setTargetParser(*TAP.get());
+  Parser->setEnablePrintSchedInfo(EnablePrintSchedInfo);
   if (Dialect == InlineAsm::AD_Intel)
     // We need this flag to be able to parse numbers like "0bH"
     Parser->setParsingInlineAsm(true);
diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp
index f7e31de..58978a2 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.cpp
@@ -193,11 +193,10 @@
   ~X86AddressSanitizer() override = default;
 
   // X86AsmInstrumentation implementation:
-  void InstrumentAndEmitInstruction(const MCInst &Inst,
-                                    OperandVector &Operands,
-                                    MCContext &Ctx,
-                                    const MCInstrInfo &MII,
-                                    MCStreamer &Out) override {
+  void InstrumentAndEmitInstruction(const MCInst &Inst, OperandVector &Operands,
+                                    MCContext &Ctx, const MCInstrInfo &MII,
+                                    MCStreamer &Out,
+                                    /* unused */ bool) override {
     InstrumentMOVS(Inst, Operands, Ctx, MII, Out);
     if (RepPrefix)
       EmitInstruction(Out, MCInstBuilder(X86::REP_PREFIX));
@@ -1045,13 +1044,13 @@
 
 void X86AsmInstrumentation::InstrumentAndEmitInstruction(
     const MCInst &Inst, OperandVector &Operands, MCContext &Ctx,
-    const MCInstrInfo &MII, MCStreamer &Out) {
-  EmitInstruction(Out, Inst);
+    const MCInstrInfo &MII, MCStreamer &Out, bool PrintSchedInfoEnabled) {
+  EmitInstruction(Out, Inst, PrintSchedInfoEnabled);
 }
 
-void X86AsmInstrumentation::EmitInstruction(MCStreamer &Out,
-                                            const MCInst &Inst) {
-  Out.EmitInstruction(Inst, *STI);
+void X86AsmInstrumentation::EmitInstruction(MCStreamer &Out, const MCInst &Inst,
+                                            bool PrintSchedInfoEnabled) {
+  Out.EmitInstruction(Inst, *STI, PrintSchedInfoEnabled);
 }
 
 unsigned X86AsmInstrumentation::GetFrameRegGeneric(const MCContext &Ctx,
diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.h b/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.h
index 97a55cd..42a9dc3 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.h
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.h
@@ -42,7 +42,8 @@
   virtual void InstrumentAndEmitInstruction(
       const MCInst &Inst,
       SmallVectorImpl<std::unique_ptr<MCParsedAsmOperand>> &Operands,
-      MCContext &Ctx, const MCInstrInfo &MII, MCStreamer &Out);
+      MCContext &Ctx, const MCInstrInfo &MII, MCStreamer &Out,
+      bool PrintSchedInfoEnabled);
 
 protected:
   friend X86AsmInstrumentation *
@@ -54,7 +55,8 @@
 
   unsigned GetFrameRegGeneric(const MCContext &Ctx, MCStreamer &Out);
 
-  void EmitInstruction(MCStreamer &Out, const MCInst &Inst);
+  void EmitInstruction(MCStreamer &Out, const MCInst &Inst,
+                       bool PrintSchedInfoEnabled = false);
 
   const MCSubtargetInfo *&STI;
 
diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 2a784c9..4dc0466 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -2699,8 +2699,9 @@
 
 void X86AsmParser::EmitInstruction(MCInst &Inst, OperandVector &Operands,
                                    MCStreamer &Out) {
-  Instrumentation->InstrumentAndEmitInstruction(Inst, Operands, getContext(),
-                                                MII, Out);
+  Instrumentation->InstrumentAndEmitInstruction(
+      Inst, Operands, getContext(), MII, Out,
+      getParser().shouldPrintSchedInfo());
 }
 
 bool X86AsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,