6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-13 22:24:07 +00:00
Code Issues Projects Releases Wiki Activity

Break RA_DEBUG option into several levels to get better control over

Browse Source 
debug output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3724 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve
2002-09-14 23:05:33 +00:00
parent 521758fb79
commit 39c94e105f
12 changed files with 234 additions and 208 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
lib/CodeGen/RegAlloc/RegClass.cpp
View File

@ -1,3 +1,9 @@
//===-- RegClass.cpp -----------------------------------------------------===//
//
// class RegClass for coloring-based register allocation for LLVM.
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/RegClass.h"
#include "llvm/CodeGen/RegAllocCommon.h"
using std::cerr;
@ -11,7 +17,7 @@ RegClass::RegClass(const Function *M,
const ReservedColorListType *RCL)
: Meth(M), MRC(Mrc), RegClassID( Mrc->getRegClassID() ),
IG(this), IGNodeStack(), ReservedColorList(RCL) {
if( DEBUG_RA)
if( DEBUG_RA >= RA_DEBUG_Interference)
cerr << "Created Reg Class: " << RegClassID << "\n";
IsColorUsedArr.resize(Mrc->getNumOfAllRegs());
@ -24,7 +30,8 @@ RegClass::RegClass(const Function *M,
//----------------------------------------------------------------------------
void RegClass::colorAllRegs()
{
if(DEBUG_RA) cerr << "Coloring IG of reg class " << RegClassID << " ...\n";
if(DEBUG_RA >= RA_DEBUG_Coloring)
cerr << "Coloring IG of reg class " << RegClassID << " ...\n";
// pre-color IGNodes
pushAllIGNodes(); // push all IG Nodes
@ -57,7 +64,7 @@ void RegClass::pushAllIGNodes()
// push non-constrained IGNodes
bool PushedAll = pushUnconstrainedIGNodes();
if( DEBUG_RA) {
if( DEBUG_RA >= RA_DEBUG_Coloring) {
cerr << " Puhsed all-unconstrained IGNodes. ";
if( PushedAll ) cerr << " No constrained nodes left.";
cerr << "\n";
@ -88,7 +95,7 @@ void RegClass::pushAllIGNodes()
//
NeedMoreSpills = !pushUnconstrainedIGNodes();
if (DEBUG_RA)
if (DEBUG_RA >= RA_DEBUG_Coloring)
cerr << "\nConstrained IG Node found !@!" << IGNodeSpill->getIndex();
} while(NeedMoreSpills); // repeat until we have pushed all
@ -129,7 +136,7 @@ bool RegClass::pushUnconstrainedIGNodes()
IGNodeStack.push( IGNode ); // push IGNode on to the stack
IGNode->pushOnStack(); // set OnStack and dec deg of neighs
if (DEBUG_RA > 1) {
if (DEBUG_RA >= RA_DEBUG_Coloring) {
cerr << " pushed un-constrained IGNode " << IGNode->getIndex() ;
cerr << " on to stack\n";
}
@ -230,7 +237,7 @@ void RegClass::colorIGNode(IGNode *const Node)
MRC->colorIGNode(Node, IsColorUsedArr);
}
else {
if( DEBUG_RA ) {
if( DEBUG_RA >= RA_DEBUG_Coloring) {
cerr << " Node " << Node->getIndex();
cerr << " already colored with color " << Node->getColor() << "\n";
}
@ -238,7 +245,7 @@ void RegClass::colorIGNode(IGNode *const Node)
if( !Node->hasColor() ) {
if( DEBUG_RA ) {
if( DEBUG_RA >= RA_DEBUG_Coloring) {
cerr << " Node " << Node->getIndex();
cerr << " - could not find a color (needs spilling)\n";
}