Remove dead code and data.

llvm-svn: 113411
This commit is contained in:
Jakob Stoklund Olesen 2010-09-08 21:21:28 +00:00
parent e54dba94f9
commit 9050694b66
1 changed files with 6 additions and 18 deletions

View File

@ -61,10 +61,7 @@ namespace llvm {
}; };
unsigned char flags; unsigned char flags;
union { MachineInstr *copy;
MachineInstr *copy;
unsigned reg;
} cr;
public: public:
typedef BumpPtrAllocator Allocator; typedef BumpPtrAllocator Allocator;
@ -79,17 +76,17 @@ namespace llvm {
/// d is presumed to point to the actual defining instr. If it doesn't /// d is presumed to point to the actual defining instr. If it doesn't
/// setIsDefAccurate(false) should be called after construction. /// setIsDefAccurate(false) should be called after construction.
VNInfo(unsigned i, SlotIndex d, MachineInstr *c) VNInfo(unsigned i, SlotIndex d, MachineInstr *c)
: flags(IS_DEF_ACCURATE), id(i), def(d) { cr.copy = c; } : flags(IS_DEF_ACCURATE), id(i), def(d) { copy = c; }
/// VNInfo construtor, copies values from orig, except for the value number. /// VNInfo construtor, copies values from orig, except for the value number.
VNInfo(unsigned i, const VNInfo &orig) VNInfo(unsigned i, const VNInfo &orig)
: flags(orig.flags), cr(orig.cr), id(i), def(orig.def) : flags(orig.flags), copy(orig.copy), id(i), def(orig.def)
{ } { }
/// Copy from the parameter into this VNInfo. /// Copy from the parameter into this VNInfo.
void copyFrom(VNInfo &src) { void copyFrom(VNInfo &src) {
flags = src.flags; flags = src.flags;
cr = src.cr; copy = src.copy;
def = src.def; def = src.def;
} }
@ -100,20 +97,11 @@ namespace llvm {
/// For a register interval, if this VN was definied by a copy instr /// For a register interval, if this VN was definied by a copy instr
/// getCopy() returns a pointer to it, otherwise returns 0. /// getCopy() returns a pointer to it, otherwise returns 0.
/// For a stack interval the behaviour of this method is undefined. /// For a stack interval the behaviour of this method is undefined.
MachineInstr* getCopy() const { return cr.copy; } MachineInstr* getCopy() const { return copy; }
/// For a register interval, set the copy member. /// For a register interval, set the copy member.
/// This method should not be called on stack intervals as it may lead to /// This method should not be called on stack intervals as it may lead to
/// undefined behavior. /// undefined behavior.
void setCopy(MachineInstr *c) { cr.copy = c; } void setCopy(MachineInstr *c) { copy = c; }
/// For a stack interval, returns the reg which this stack interval was
/// defined from.
/// For a register interval the behaviour of this method is undefined.
unsigned getReg() const { return cr.reg; }
/// For a stack interval, set the defining register.
/// This method should not be called on register intervals as it may lead
/// to undefined behaviour.
void setReg(unsigned reg) { cr.reg = reg; }
/// Returns true if one or more kills are PHI nodes. /// Returns true if one or more kills are PHI nodes.
bool hasPHIKill() const { return flags & HAS_PHI_KILL; } bool hasPHIKill() const { return flags & HAS_PHI_KILL; }