[llvm] 0314dff - [DebugInfo] Delete unused DwarfUnit::addConstantFPValue & addConstantValue overloads. NFC

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2020-11-04T00:05:57-08:00
New Revision: 0314dff051848bae3d929e11207b2a0acfa41254

URL: https://github.com/llvm/llvm-project/commit/0314dff051848bae3d929e11207b2a0acfa41254
DIFF: https://github.com/llvm/llvm-project/commit/0314dff051848bae3d929e11207b2a0acfa41254.diff

LOG: [DebugInfo] Delete unused DwarfUnit::addConstantFPValue & addConstantValue overloads. NFC

This functions appear to be unused for many years.

Added: 
    

Modified: 
    llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
    llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index 6208b5f2777f..082fffbb9a08 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -434,28 +434,6 @@ void DwarfUnit::addSourceLine(DIE &Die, const DIObjCProperty *Ty) {
   addSourceLine(Die, Ty->getLine(), Ty->getFile());
 }
 
-void DwarfUnit::addConstantFPValue(DIE &Die, const MachineOperand &MO) {
-  assert(MO.isFPImm() && "Invalid machine operand!");
-  DIEBlock *Block = new (DIEValueAllocator) DIEBlock;
-  APFloat FPImm = MO.getFPImm()->getValueAPF();
-
-  // Get the raw data form of the floating point.
-  const APInt FltVal = FPImm.bitcastToAPInt();
-  const char *FltPtr = (const char *)FltVal.getRawData();
-
-  int NumBytes = FltVal.getBitWidth() / 8; // 8 bits per byte.
-  bool LittleEndian = Asm->getDataLayout().isLittleEndian();
-  int Incr = (LittleEndian ? 1 : -1);
-  int Start = (LittleEndian ? 0 : NumBytes - 1);
-  int Stop = (LittleEndian ? NumBytes : -1);
-
-  // Output the constant to DWARF one byte at a time.
-  for (; Start != Stop; Start += Incr)
-    addUInt(*Block, dwarf::DW_FORM_data1, (unsigned char)0xFF & FltPtr[Start]);
-
-  addBlock(Die, dwarf::DW_AT_const_value, Block);
-}
-
 void DwarfUnit::addConstantFPValue(DIE &Die, const ConstantFP *CFP) {
   // Pass this down to addConstantValue as an unsigned bag of bits.
   addConstantValue(Die, CFP->getValueAPF().bitcastToAPInt(), true);
@@ -466,13 +444,6 @@ void DwarfUnit::addConstantValue(DIE &Die, const ConstantInt *CI,
   addConstantValue(Die, CI->getValue(), Ty);
 }
 
-void DwarfUnit::addConstantValue(DIE &Die, const MachineOperand &MO,
-                                 const DIType *Ty) {
-  assert(MO.isImm() && "Invalid machine operand!");
-
-  addConstantValue(Die, DD->isUnsignedDIType(Ty), MO.getImm());
-}
-
 void DwarfUnit::addConstantValue(DIE &Die, uint64_t Val, const DIType *Ty) {
   addConstantValue(Die, DD->isUnsignedDIType(Ty), Val);
 }

diff  --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
index 9751506e9fb3..5c643760fd56 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
@@ -190,7 +190,6 @@ class DwarfUnit : public DIEUnit {
   void addSourceLine(DIE &Die, const DIObjCProperty *Ty);
 
   /// Add constant value entry in variable DIE.
-  void addConstantValue(DIE &Die, const MachineOperand &MO, const DIType *Ty);
   void addConstantValue(DIE &Die, const ConstantInt *CI, const DIType *Ty);
   void addConstantValue(DIE &Die, const APInt &Val, const DIType *Ty);
   void addConstantValue(DIE &Die, const APInt &Val, bool Unsigned);
@@ -198,7 +197,6 @@ class DwarfUnit : public DIEUnit {
   void addConstantValue(DIE &Die, bool Unsigned, uint64_t Val);
 
   /// Add constant value entry in variable DIE.
-  void addConstantFPValue(DIE &Die, const MachineOperand &MO);
   void addConstantFPValue(DIE &Die, const ConstantFP *CFP);
 
   /// Add a linkage name, if it isn't empty.