6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-10-01 10:57:21 +00:00
Code Issues Projects Releases Wiki Activity

reenable the label loop comments and switch them to use the formatted

Browse Source 
comment emission stuff.  I'm going to rewrite this though because the
current output doesn't make sense.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94215 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-22 21:00:45 +00:00
parent 8a3ee718cd
commit d8d0aee26a
1 changed files with 40 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

107
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
View File

@ -1677,6 +1677,8 @@ void AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock *MBB) const {
if (const BasicBlock *BB = MBB->getBasicBlock())
if (BB->hasName())
OutStreamer.AddComment("%" + BB->getName());
EmitComments(*MBB);
OutStreamer.AddBlankLine();
}
} else {
@ -1684,16 +1686,11 @@ void AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock *MBB) const {
if (const BasicBlock *BB = MBB->getBasicBlock())
if (BB->hasName())
OutStreamer.AddComment("%" + BB->getName());
EmitComments(*MBB);
}
OutStreamer.EmitLabel(GetMBBSymbol(MBB->getNumber()));
}
// Print some comments to accompany the label.
// FIXME: REENABLE.
if (0 && VerboseAsm) {
EmitComments(*MBB);
O << '\n';
}
}
/// printPICJumpTableSetLabel - This method prints a set label for the
@ -1850,78 +1847,54 @@ void AsmPrinter::EmitComments(const MachineInstr &MI) const {
/// PrintChildLoopComment - Print comments about child loops within
/// the loop for this basic block, with nesting.
///
static void PrintChildLoopComment(formatted_raw_ostream &O,
const MachineLoop *loop,
const MCAsmInfo *MAI,
int FunctionNumber) {
static void PrintChildLoopComment(MCStreamer &O, const MachineLoop *Loop,
unsigned FunctionNumber) {
raw_ostream &OS = O.GetCommentOS();
// Add child loop information
for(MachineLoop::iterator cl = loop->begin(),
clend = loop->end();
cl != clend;
++cl) {
MachineBasicBlock *Header = (*cl)->getHeader();
for (MachineLoop::iterator CL = Loop->begin(), E = Loop->end();CL != E; ++CL){
MachineBasicBlock *Header = (*CL)->getHeader();
assert(Header && "No header for loop");
O << '\n';
O.PadToColumn(MAI->getCommentColumn());
O << MAI->getCommentString();
O.indent(((*cl)->getLoopDepth()-1)*2)
<< " Child Loop BB" << FunctionNumber << "_"
<< Header->getNumber() << " Depth " << (*cl)->getLoopDepth();
PrintChildLoopComment(O, *cl, MAI, FunctionNumber);
OS.indent(((*CL)->getLoopDepth()-1)*2)
<< "Child Loop BB" << FunctionNumber << "_"
<< Header->getNumber() << " Depth " << (*CL)->getLoopDepth() << '\n';
PrintChildLoopComment(O, *CL, FunctionNumber);
}
}
/// EmitComments - Pretty-print comments for basic blocks
void AsmPrinter::EmitComments(const MachineBasicBlock &MBB) const {
if (VerboseAsm) {
// Add loop depth information
const MachineLoop *loop = LI->getLoopFor(&MBB);
assert(VerboseAsm && "Shouldn't be called unless in verbose asm mode");
// Add loop depth information
const MachineLoop *Loop = LI->getLoopFor(&MBB);
if (Loop == 0) return;
if (loop) {
// Print a newline after bb# annotation.
O << "\n";
O.PadToColumn(MAI->getCommentColumn());
O << MAI->getCommentString() << " Loop Depth " << loop->getLoopDepth()
<< '\n';
OutStreamer.AddComment("Loop Depth " + Twine(Loop->getLoopDepth()));
O.PadToColumn(MAI->getCommentColumn());
MachineBasicBlock *Header = Loop->getHeader();
assert(Header && "No header for loop");
if (Header != &MBB) {
OutStreamer.AddComment("Loop Header is BB" + Twine(getFunctionNumber()) +
"_" + Twine(Loop->getHeader()->getNumber()));
} else {
OutStreamer.AddComment("Loop Header");
PrintChildLoopComment(OutStreamer, Loop, getFunctionNumber());
}
MachineBasicBlock *Header = loop->getHeader();
assert(Header && "No header for loop");
if (Header == &MBB) {
O << MAI->getCommentString() << " Loop Header";
PrintChildLoopComment(O, loop, MAI, getFunctionNumber());
}
else {
O << MAI->getCommentString() << " Loop Header is BB"
<< getFunctionNumber() << "_" << loop->getHeader()->getNumber();
}
if (Loop->empty())
OutStreamer.AddComment("Inner Loop");
if (loop->empty()) {
O << '\n';
O.PadToColumn(MAI->getCommentColumn());
O << MAI->getCommentString() << " Inner Loop";
}
raw_ostream &OS = OutStreamer.GetCommentOS();
// Add parent loop information
for (const MachineLoop *CurLoop = loop->getParentLoop();
CurLoop;
CurLoop = CurLoop->getParentLoop()) {
MachineBasicBlock *Header = CurLoop->getHeader();
assert(Header && "No header for loop");
// Add parent loop information.
for (const MachineLoop *CurLoop = Loop->getParentLoop(); CurLoop;
CurLoop = CurLoop->getParentLoop()) {
MachineBasicBlock *Header = CurLoop->getHeader();
assert(Header && "No header for loop");
O << '\n';
O.PadToColumn(MAI->getCommentColumn());
O << MAI->getCommentString();
O.indent((CurLoop->getLoopDepth()-1)*2)
<< " Inside Loop BB" << getFunctionNumber() << "_"
<< Header->getNumber() << " Depth " << CurLoop->getLoopDepth();
}
}
OS.indent(CurLoop->getLoopDepth()*2)
<< "Inside Loop BB" << getFunctionNumber() << "_"
<< Header->getNumber() << " Depth " << CurLoop->getLoopDepth() << '\n';
}
}