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Added class MachineCodeForMethod to provide method-level information

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about the generated native code (e.g., frame layout information).

llvm-svn: 952
This commit is contained in:
Vikram S. Adve 2001-10-22 13:57:39 +00:00
parent 203d3a37d6
commit 4955d04e5a
1 changed files with 68 additions and 2 deletions
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70
include/llvm/CodeGen/MachineInstr.h
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@ -139,10 +139,11 @@ private:
public:
// replaces the Value with its corresponding physical register afeter
// replaces the Value with its corresponding physical register after
// register allocation is complete
void setRegForValue(int reg) {
assert(opType == MO_VirtualRegister || opType == MO_CCRegister);
assert(opType == MO_VirtualRegister || opType == MO_CCRegister ||
opType == MO_MachineRegister);
regNum = reg;
}
@ -493,6 +494,71 @@ public:
};
//---------------------------------------------------------------------------
// class MachineCodeForMethod
//
// Purpose:
// Collect native machine code information for a method.
// This allows target-specific information about the generated code
// to be stored with each method.
//---------------------------------------------------------------------------
class MachineCodeForMethod: public NonCopyable {
private:
Method* method;
bool compiledAsLeaf;
unsigned staticStackSize;
unsigned automaticVarsSize;
unsigned regSpillsSize;
unsigned optionalOutgoingArgsSize;
hash_map<const Value*, int> offsetsFromFP;
hash_map<const Value*, int> offsetsFromSP;
inline void incrementAutomaticVarsSize(int incr)
{ automaticVarsSize+= incr;
staticStackSize += incr; }
public:
/*ctor*/ MachineCodeForMethod(Method* _M)
: method(_M), compiledAsLeaf(false), staticStackSize(0),
automaticVarsSize(0), regSpillsSize(0), optionalOutgoingArgsSize(0) {}
inline bool isCompiledAsLeafMethod() const { return compiledAsLeaf; }
inline unsigned getStaticStackSize() const { return staticStackSize; }
inline unsigned getAutomaticVarsSize() const { return automaticVarsSize; }
inline unsigned getRegSpillsSize() const { return regSpillsSize; }
inline unsigned getOptionalOutgoingArgsSize() const
{ return optionalOutgoingArgsSize;}
inline void markAsLeafMethod() { compiledAsLeaf = true; }
inline void incrementStackSize(int incr) { staticStackSize += incr; }
inline void incrementRegSpillsSize(int incr)
{ regSpillsSize+= incr;
staticStackSize += incr; }
inline void incrementOptionalOutgoingArgsSize(int incr)
{ optionalOutgoingArgsSize+= incr;
staticStackSize += incr; }
void putLocalVarAtOffsetFromFP(const Value* local,
int offset,
unsigned int size);
void putLocalVarAtOffsetFromSP(const Value* local,
int offset,
unsigned int size);
int getOffsetFromFP (const Value* local) const;
int getOffsetFromSP (const Value* local) const;
void dump () const;
};
//---------------------------------------------------------------------------
// Debugging Support
//---------------------------------------------------------------------------