[llvm-commits] [llvm] r94741 - in /llvm/trunk: lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp test/CodeGen/XCore/ashr.ll

Chris Lattner sabre at nondot.org
Wed Jan 27 22:22:43 PST 2010


Author: lattner
Date: Thu Jan 28 00:22:43 2010
New Revision: 94741

URL: http://llvm.org/viewvc/llvm-project?rev=94741&view=rev
Log:
convert the last 3 targets to use EmitFunctionBody() now that
it has before/end body hooks.

 lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp |   49 ++-----------
 lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp   |   87 ++++++------------------
 lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp |   56 +++------------
 test/CodeGen/XCore/ashr.ll                      |    2 
 4 files changed, 48 insertions(+), 146 deletions(-)


Modified:
    llvm/trunk/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
    llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
    llvm/trunk/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp
    llvm/trunk/test/CodeGen/XCore/ashr.ll

Modified: llvm/trunk/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp?rev=94741&r1=94740&r2=94741&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp Thu Jan 28 00:22:43 2010
@@ -29,11 +29,8 @@
 #include "llvm/Target/TargetRegistry.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FormattedStream.h"
-#include "llvm/ADT/Statistic.h"
 using namespace llvm;
 
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
 namespace {
   struct AlphaAsmPrinter : public AsmPrinter {
     /// Unique incrementer for label values for referencing Global values.
@@ -47,12 +44,14 @@
       return "Alpha Assembly Printer";
     }
     void printInstruction(const MachineInstr *MI);
+    void EmitInstruction(const MachineInstr *MI) { printInstruction(MI); }
     static const char *getRegisterName(unsigned RegNo);
 
     void printOp(const MachineOperand &MO, bool IsCallOp = false);
     void printOperand(const MachineInstr *MI, int opNum);
     void printBaseOffsetPair(const MachineInstr *MI, int i, bool brackets=true);
-    bool runOnMachineFunction(MachineFunction &F);
+    virtual void EmitFunctionBodyStart();
+    virtual void EmitFunctionBodyEnd(); 
     void EmitStartOfAsmFile(Module &M);
 
     bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
@@ -120,44 +119,16 @@
   }
 }
 
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool AlphaAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
-  SetupMachineFunction(MF);
-  O << "\n\n";
-
-  EmitFunctionHeader();
-  
+/// EmitFunctionBodyStart - Targets can override this to emit stuff before
+/// the first basic block in the function.
+void AlphaAsmPrinter::EmitFunctionBodyStart() {
   O << "\t.ent " << *CurrentFnSym << "\n";
+}
 
-  // Print out code for the function.
-  for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
-       I != E; ++I) {
-    if (I != MF.begin())
-      EmitBasicBlockStart(I);
-
-    for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
-         II != E; ++II) {
-      // Print the assembly for the instruction.
-      ++EmittedInsts;
-      processDebugLoc(II, true);
-      printInstruction(II);
-      
-      if (VerboseAsm)
-        EmitComments(*II);
-      O << '\n';
-      processDebugLoc(II, false);
-    }
-  }
-
+/// EmitFunctionBodyEnd - Targets can override this to emit stuff after
+/// the last basic block in the function.
+void AlphaAsmPrinter::EmitFunctionBodyEnd() {
   O << "\t.end " << *CurrentFnSym << "\n";
-
-  // Print out jump tables referenced by the function
-  EmitJumpTableInfo();
-  
-  // We didn't modify anything.
-  return false;
 }
 
 void AlphaAsmPrinter::EmitStartOfAsmFile(Module &M) {

Modified: llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp?rev=94741&r1=94740&r2=94741&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp Thu Jan 28 00:22:43 2010
@@ -37,7 +37,6 @@
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Target/TargetRegistry.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/CommandLine.h"
@@ -46,8 +45,6 @@
 #include <cctype>
 using namespace llvm;
 
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
 namespace {
   class MipsAsmPrinter : public AsmPrinter {
     const MipsSubtarget *Subtarget;
@@ -70,16 +67,18 @@
                          const char *Modifier = 0);
     void printFCCOperand(const MachineInstr *MI, int opNum, 
                          const char *Modifier = 0);
-    void printSavedRegsBitmask(MachineFunction &MF);
+    void printSavedRegsBitmask();
     void printHex32(unsigned int Value);
 
     const char *emitCurrentABIString();
-    void emitFrameDirective(MachineFunction &MF);
+    void emitFrameDirective();
 
     void printInstruction(const MachineInstr *MI);  // autogenerated.
+    void EmitInstruction(const MachineInstr *MI) { printInstruction(MI); }
+    virtual void EmitFunctionBodyStart();
+    virtual void EmitFunctionBodyEnd();
     static const char *getRegisterName(unsigned RegNo);
 
-    bool runOnMachineFunction(MachineFunction &F);
     virtual void EmitFunctionEntryLabel();
     void EmitStartOfAsmFile(Module &M);
   };
@@ -124,18 +123,16 @@
 
 // Create a bitmask with all callee saved registers for CPU or Floating Point 
 // registers. For CPU registers consider RA, GP and FP for saving if necessary.
-void MipsAsmPrinter::
-printSavedRegsBitmask(MachineFunction &MF)
-{
+void MipsAsmPrinter::printSavedRegsBitmask() {
   const TargetRegisterInfo &RI = *TM.getRegisterInfo();
-  MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
+  const MipsFunctionInfo *MipsFI = MF->getInfo<MipsFunctionInfo>();
              
   // CPU and FPU Saved Registers Bitmasks
   unsigned int CPUBitmask = 0;
   unsigned int FPUBitmask = 0;
 
   // Set the CPU and FPU Bitmasks
-  MachineFrameInfo *MFI = MF.getFrameInfo();
+  const MachineFrameInfo *MFI = MF->getFrameInfo();
   const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
   for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
     unsigned RegNum = MipsRegisterInfo::getRegisterNumbering(CSI[i].getReg());
@@ -146,11 +143,11 @@
   }
 
   // Return Address and Frame registers must also be set in CPUBitmask.
-  if (RI.hasFP(MF)) 
+  if (RI.hasFP(*MF)) 
     CPUBitmask |= (1 << MipsRegisterInfo::
-                getRegisterNumbering(RI.getFrameRegister(MF)));
+                getRegisterNumbering(RI.getFrameRegister(*MF)));
   
-  if (MF.getFrameInfo()->hasCalls()) 
+  if (MFI->hasCalls()) 
     CPUBitmask |= (1 << MipsRegisterInfo::
                 getRegisterNumbering(RI.getRARegister()));
 
@@ -177,12 +174,12 @@
 //===----------------------------------------------------------------------===//
 
 /// Frame Directive
-void MipsAsmPrinter::emitFrameDirective(MachineFunction &MF) {
+void MipsAsmPrinter::emitFrameDirective() {
   const TargetRegisterInfo &RI = *TM.getRegisterInfo();
 
-  unsigned stackReg  = RI.getFrameRegister(MF);
+  unsigned stackReg  = RI.getFrameRegister(*MF);
   unsigned returnReg = RI.getRARegister();
-  unsigned stackSize = MF.getFrameInfo()->getStackSize();
+  unsigned stackSize = MF->getFrameInfo()->getStackSize();
 
 
   O << "\t.frame\t" << '$' << LowercaseString(getRegisterName(stackReg))
@@ -211,45 +208,16 @@
   OutStreamer.EmitLabel(CurrentFnSym);
 }
 
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-bool MipsAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
-  SetupMachineFunction(MF);
-  
-  EmitFunctionHeader();
-  
-  emitFrameDirective(MF);
-  printSavedRegsBitmask(MF);
-  
-  O << '\n';
-  
-  // Print out code for the function.
-  for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
-       I != E; ++I) {
-
-    // Print a label for the basic block.
-    if (I != MF.begin())
-      EmitBasicBlockStart(I);
-
-    for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
-         II != E; ++II) {
-      processDebugLoc(II, true);
-
-      // Print the assembly for the instruction.
-      printInstruction(II);
-      
-      if (VerboseAsm)
-        EmitComments(*II);
-      O << '\n';
-
-      processDebugLoc(II, false);      
-      ++EmittedInsts;
-    }
-
-    // Each Basic Block is separated by a newline
-    O << '\n';
-  }
+/// EmitFunctionBodyStart - Targets can override this to emit stuff before
+/// the first basic block in the function.
+void MipsAsmPrinter::EmitFunctionBodyStart() {
+  emitFrameDirective();
+  printSavedRegsBitmask();
+}
 
+/// EmitFunctionBodyEnd - Targets can override this to emit stuff after
+/// the last basic block in the function.
+void MipsAsmPrinter::EmitFunctionBodyEnd() {
   // There are instruction for this macros, but they must
   // always be at the function end, and we can't emit and
   // break with BB logic. 
@@ -257,16 +225,9 @@
   O << "\t.set\treorder\n"; 
   
   O << "\t.end\t" << *CurrentFnSym << '\n';
-  if (MAI->hasDotTypeDotSizeDirective() && !Subtarget->isLinux())
-    O << "\t.size\t" << *CurrentFnSym << ", .-" << *CurrentFnSym << '\n';
-  
-  // Print out jump tables referenced by the function
-  EmitJumpTableInfo();
-    
-  // We didn't modify anything.
-  return false;
 }
 
+
 // Print out an operand for an inline asm expression.
 bool MipsAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 
                                      unsigned AsmVariant,const char *ExtraCode){

Modified: llvm/trunk/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp?rev=94741&r1=94740&r2=94741&view=diff

==============================================================================
--- llvm/trunk/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp Thu Jan 28 00:22:43 2010
@@ -32,7 +32,6 @@
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/Target/TargetRegistry.h"
-#include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -42,8 +41,6 @@
 #include <cctype>
 using namespace llvm;
 
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
 static cl::opt<unsigned> MaxThreads("xcore-max-threads", cl::Optional,
   cl::desc("Maximum number of threads (for emulation thread-local storage)"),
   cl::Hidden,
@@ -78,8 +75,9 @@
     void printInstruction(const MachineInstr *MI);  // autogenerated.
     static const char *getRegisterName(unsigned RegNo);
 
-    void printMachineInstruction(const MachineInstr *MI);
-    bool runOnMachineFunction(MachineFunction &F);
+    bool runOnMachineFunction(MachineFunction &MF);
+    void EmitInstruction(const MachineInstr *MI);
+    void EmitFunctionBodyEnd();
     
     void getAnalysisUsage(AnalysisUsage &AU) const {
       AsmPrinter::getAnalysisUsage(AU);
@@ -219,6 +217,14 @@
   O << *CurrentFnSym << ":\n";
 }
 
+
+/// EmitFunctionBodyEnd - Targets can override this to emit stuff after
+/// the last basic block in the function.
+void XCoreAsmPrinter::EmitFunctionBodyEnd() {
+  // Emit function end directives
+  O << "\t.cc_bottom " << *CurrentFnSym << ".function\n";
+}
+
 /// runOnMachineFunction - This uses the printMachineInstruction()
 /// method to print assembly for each instruction.
 ///
@@ -234,34 +240,7 @@
   // Emit pre-function debug information.
   DW->BeginFunction(&MF);
 
-  // Print out code for the function.
-  for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
-       I != E; ++I) {
-
-    // Print a label for the basic block.
-    if (I != MF.begin()) 
-      EmitBasicBlockStart(I);
-
-    for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
-         II != E; ++II) {
-      // Print the assembly for the instruction.
-      printMachineInstruction(II);
-    }
-
-    // Each Basic Block is separated by a newline
-    O << '\n';
-  }
-
-  // Emit function end directives
-  O << "\t.cc_bottom " << *CurrentFnSym << ".function\n";
-  
-  // Print out jump tables referenced by the function
-  EmitJumpTableInfo();
-
-  // Emit post-function debug information.
-  DW->EndFunction(&MF);
-
-  // We didn't modify anything.
+  EmitFunctionBody();
   return false;
 }
 
@@ -320,11 +299,7 @@
   return false;
 }
 
-void XCoreAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
-  ++EmittedInsts;
-
-  processDebugLoc(MI, true);
-
+void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) {
   // Check for mov mnemonic
   unsigned src, dst, srcSR, dstSR;
   if (TM.getInstrInfo()->isMoveInstr(*MI, src, dst, srcSR, dstSR)) {
@@ -333,11 +308,6 @@
     return;
   }
   printInstruction(MI);
-  if (VerboseAsm)
-    EmitComments(*MI);
-  O << '\n';
-
-  processDebugLoc(MI, false);
 }
 
 // Force static initialization.

Modified: llvm/trunk/test/CodeGen/XCore/ashr.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/XCore/ashr.ll?rev=94741&r1=94740&r2=94741&view=diff

==============================================================================
--- llvm/trunk/test/CodeGen/XCore/ashr.ll (original)
+++ llvm/trunk/test/CodeGen/XCore/ashr.ll Thu Jan 28 00:22:43 2010
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=xcore | FileCheck %s
+; RUN: llc < %s -march=xcore -asm-verbose=0 | FileCheck %s
 define i32 @ashr(i32 %a, i32 %b) {
 	%1 = ashr i32 %a, %b
 	ret i32 %1





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