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use the optimized debug info apis in sdisel.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99986 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-31 04:24:50 +00:00
parent 5169c9e567
commit 23dbf6683b
1 changed files with 16 additions and 19 deletions
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35
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -366,23 +366,23 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) {
/// SetDebugLoc - Update MF's and SDB's DebugLocs if debug information is
/// attached with this instruction.
static void SetDebugLoc(unsigned MDDbgKind, Instruction *I,
SelectionDAGBuilder *SDB,
static void SetDebugLoc(Instruction *I, SelectionDAGBuilder *SDB,
FastISel *FastIS, MachineFunction *MF) {
if (MDNode *Dbg = I->getMetadata(MDDbgKind)) {
DILocation DILoc(Dbg);
DebugLoc Loc = ExtractDebugLocation(DILoc, MF->getDebugLocInfo());
MDNode *Dbg = I->getDbgMetadata();
if (Dbg == 0) return;
DILocation DILoc(Dbg);
DebugLoc Loc = ExtractDebugLocation(DILoc, MF->getDebugLocInfo());
SDB->setCurDebugLoc(Loc);
SDB->setCurDebugLoc(Loc);
if (FastIS)
FastIS->setCurDebugLoc(Loc);
if (FastIS)
FastIS->setCurDebugLoc(Loc);
// If the function doesn't have a default debug location yet, set
// it. This is kind of a hack.
if (MF->getDefaultDebugLoc().isUnknown())
MF->setDefaultDebugLoc(Loc);
}
// If the function doesn't have a default debug location yet, set
// it. This is kind of a hack.
if (MF->getDefaultDebugLoc().isUnknown())
MF->setDefaultDebugLoc(Loc);
}
/// ResetDebugLoc - Set MF's and SDB's DebugLocs to Unknown.
@ -397,12 +397,11 @@ void SelectionDAGISel::SelectBasicBlock(BasicBlock *LLVMBB,
BasicBlock::iterator End,
bool &HadTailCall) {
SDB->setCurrentBasicBlock(BB);
unsigned MDDbgKind = LLVMBB->getContext().getMDKindID("dbg");
// Lower all of the non-terminator instructions. If a call is emitted
// as a tail call, cease emitting nodes for this block.
for (BasicBlock::iterator I = Begin; I != End && !SDB->HasTailCall; ++I) {
SetDebugLoc(MDDbgKind, I, SDB, 0, MF);
SetDebugLoc(I, SDB, 0, MF);
if (!isa<TerminatorInst>(I)) {
SDB->visit(*I);
@ -425,7 +424,7 @@ void SelectionDAGISel::SelectBasicBlock(BasicBlock *LLVMBB,
HandlePHINodesInSuccessorBlocks(LLVMBB);
// Lower the terminator after the copies are emitted.
SetDebugLoc(MDDbgKind, LLVMBB->getTerminator(), SDB, 0, MF);
SetDebugLoc(LLVMBB->getTerminator(), SDB, 0, MF);
SDB->visit(*LLVMBB->getTerminator());
ResetDebugLoc(SDB, 0);
}
@ -863,8 +862,6 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn,
#endif
);
unsigned MDDbgKind = Fn.getContext().getMDKindID("dbg");
// Iterate over all basic blocks in the function.
for (Function::iterator I = Fn.begin(), E = Fn.end(); I != E; ++I) {
BasicBlock *LLVMBB = &*I;
@ -962,7 +959,7 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn,
break;
}
SetDebugLoc(MDDbgKind, BI, SDB, FastIS, &MF);
SetDebugLoc(BI, SDB, FastIS, &MF);
// Try to select the instruction with FastISel.
if (FastIS->SelectInstruction(BI)) {