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Remove dead code and data.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113411 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-09-08 21:21:28 +00:00
parent ab1deb998e
commit 71160b44d7
1 changed files with 6 additions and 18 deletions
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22
include/llvm/CodeGen/LiveInterval.h
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@ -61,10 +61,7 @@ namespace llvm {
};
unsigned char flags;
union {
MachineInstr *copy;
unsigned reg;
} cr;
public:
typedef BumpPtrAllocator Allocator;
@ -79,17 +76,17 @@ namespace llvm {
/// d is presumed to point to the actual defining instr. If it doesn't
/// setIsDefAccurate(false) should be called after construction.
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(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.
void copyFrom(VNInfo &src) {
flags = src.flags;
cr = src.cr;
copy = src.copy;
def = src.def;
}
@ -100,20 +97,11 @@ namespace llvm {
/// For a register interval, if this VN was definied by a copy instr
/// getCopy() returns a pointer to it, otherwise returns 0.
/// 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.
/// This method should not be called on stack intervals as it may lead to
/// undefined behavior.
void setCopy(MachineInstr *c) { cr.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; }
void setCopy(MachineInstr *c) { copy = c; }
/// Returns true if one or more kills are PHI nodes.
bool hasPHIKill() const { return flags & HAS_PHI_KILL; }