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Include a frame index in the "fixed stack" pseudo source value

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instead of using the frame index for the SVOffset, which was
inconsistent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53486 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-07-11 22:44:52 +00:00
parent eca64f0980
commit a54cf17661
6 changed files with 60 additions and 45 deletions
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37
lib/CodeGen/PseudoSourceValue.cpp
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@ -13,28 +13,27 @@
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ManagedStatic.h"
#include <map>
namespace llvm {
static ManagedStatic<PseudoSourceValue[5]> PSVs;
static ManagedStatic<PseudoSourceValue[4]> PSVs;
const PseudoSourceValue *PseudoSourceValue::getFixedStack()
{ return &(*PSVs)[0]; }
const PseudoSourceValue *PseudoSourceValue::getStack()
{ return &(*PSVs)[1]; }
{ return &(*PSVs)[0]; }
const PseudoSourceValue *PseudoSourceValue::getGOT()
{ return &(*PSVs)[1]; }
const PseudoSourceValue *PseudoSourceValue::getJumpTable()
{ return &(*PSVs)[2]; }
const PseudoSourceValue *PseudoSourceValue::getConstantPool()
{ return &(*PSVs)[3]; }
const PseudoSourceValue *PseudoSourceValue::getJumpTable()
{ return &(*PSVs)[4]; }
static const char *const PSVNames[] = {
"FixedStack",
"Stack",
"GOT",
"ConstantPool",
"JumpTable"
"ConstantPool"
};
PseudoSourceValue::PseudoSourceValue() :
@ -43,4 +42,26 @@ namespace llvm {
void PseudoSourceValue::print(std::ostream &OS) const {
OS << PSVNames[this - *PSVs];
}
/// FixedStackPseudoSourceValue - A specialized PseudoSourceValue
/// for holding FixedStack values, which must include a frame
/// index.
class VISIBILITY_HIDDEN FixedStackPseudoSourceValue
: public PseudoSourceValue {
const int FI;
public:
explicit FixedStackPseudoSourceValue(int fi) : FI(fi) {}
virtual void print(std::ostream &OS) const {
OS << "FixedStack" << FI;
}
};
static ManagedStatic<std::map<int, const PseudoSourceValue *> > FSValues;
const PseudoSourceValue *PseudoSourceValue::getFixedStack(int FI) {
const PseudoSourceValue *&V = (*FSValues)[FI];
if (!V)
V = new FixedStackPseudoSourceValue(FI);
return V;
}
}