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[oota-llvm.git] / lib / MC / MCStreamer.cpp

diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index b8e768cbc8741970fd7bc1aaaebf59806fc61360..77e3d4cea35d336ac3c21a8941a3f12bc4a80bdd 100644 (file)
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -7,17 +7,17 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCObjectWriter.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/LEB128.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/Twine.h"
+#include "llvm/Support/raw_ostream.h"
 #include <cstdlib>
 using namespace llvm;
 
@@ -234,63 +234,58 @@ void MCStreamer::RecordProcEnd(MCDwarfFrameInfo &Frame) {
   EmitLabel(Frame.End);
 }
 
-void MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) {
+MCSymbol *MCStreamer::EmitCFICommon() {
   EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   MCSymbol *Label = getContext().CreateTempSymbol();
   EmitLabel(Label);
+  return Label;
+}
+
+void MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) {
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction =
     MCCFIInstruction::createDefCfa(Label, Register, Offset);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
 void MCStreamer::EmitCFIDefCfaOffset(int64_t Offset) {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction =
     MCCFIInstruction::createDefCfaOffset(Label, Offset);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
 void MCStreamer::EmitCFIAdjustCfaOffset(int64_t Adjustment) {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction =
     MCCFIInstruction::createAdjustCfaOffset(Label, Adjustment);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
 void MCStreamer::EmitCFIDefCfaRegister(int64_t Register) {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction =
     MCCFIInstruction::createDefCfaRegister(Label, Register);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
 void MCStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction =
-    MCCFIInstruction::createCFIOffset(Label, Register, Offset);
+    MCCFIInstruction::createOffset(Label, Register, Offset);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
 void MCStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction =
     MCCFIInstruction::createRelOffset(Label, Register, Offset);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
@@ -310,50 +305,40 @@ void MCStreamer::EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) {
 }
 
 void MCStreamer::EmitCFIRememberState() {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction = MCCFIInstruction::createRememberState(Label);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
 void MCStreamer::EmitCFIRestoreState() {
   // FIXME: Error if there is no matching cfi_remember_state.
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction = MCCFIInstruction::createRestoreState(Label);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
 void MCStreamer::EmitCFISameValue(int64_t Register) {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction =
     MCCFIInstruction::createSameValue(Label, Register);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
 void MCStreamer::EmitCFIRestore(int64_t Register) {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction =
     MCCFIInstruction::createRestore(Label, Register);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
 void MCStreamer::EmitCFIEscape(StringRef Values) {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction = MCCFIInstruction::createEscape(Label, Values);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }
 
@@ -364,12 +349,18 @@ void MCStreamer::EmitCFISignalFrame() {
 }
 
 void MCStreamer::EmitCFIUndefined(int64_t Register) {
-  EnsureValidFrame();
-  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
-  MCSymbol *Label = getContext().CreateTempSymbol();
-  EmitLabel(Label);
+  MCSymbol *Label = EmitCFICommon();
   MCCFIInstruction Instruction =
     MCCFIInstruction::createUndefined(Label, Register);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
+  CurFrame->Instructions.push_back(Instruction);
+}
+
+void MCStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) {
+  MCSymbol *Label = EmitCFICommon();
+  MCCFIInstruction Instruction =
+    MCCFIInstruction::createRegister(Label, Register1, Register2);
+  MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo();
   CurFrame->Instructions.push_back(Instruction);
 }