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Rewrite instructions as part of ConnectedVNInfoEqClasses::Distribute.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127779 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-03-17 00:23:45 +00:00
parent ede4e28ca3
commit 2254227791
4 changed files with 40 additions and 52 deletions
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11
include/llvm/CodeGen/LiveInterval.h
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@@ -548,8 +548,8 @@ namespace llvm {
/// }
class ConnectedVNInfoEqClasses {
LiveIntervals &lis_;
IntEqClasses eqClass_;
LiveIntervals &LIS;
IntEqClasses EqClass;
// Note that values a and b are connected.
void Connect(unsigned a, unsigned b);
@@ -557,7 +557,7 @@ namespace llvm {
unsigned Renumber();
public:
explicit ConnectedVNInfoEqClasses(LiveIntervals &lis) : lis_(lis) {}
explicit ConnectedVNInfoEqClasses(LiveIntervals &lis) : LIS(lis) {}
/// Classify - Classify the values in LI into connected components.
/// Return the number of connected components.
@@ -565,12 +565,13 @@ namespace llvm {
/// getEqClass - Classify creates equivalence classes numbered 0..N. Return
/// the equivalence class assigned the VNI.
unsigned getEqClass(const VNInfo *VNI) const { return eqClass_[VNI->id]; }
unsigned getEqClass(const VNInfo *VNI) const { return EqClass[VNI->id]; }
/// Distribute - Distribute values in LIV[0] into a separate LiveInterval
/// for each connected component. LIV must have a LiveInterval for each
/// connected component. The LiveIntervals in Liv[1..] must be empty.
void Distribute(LiveInterval *LIV[]);
/// Instructions using LIV[0] are rewritten.
void Distribute(LiveInterval *LIV[], MachineRegisterInfo &MRI);
};