void CodeViewDebug::maybeRecordLocation(DebugLoc DL, const MachineFunction *MF) { // Skip this instruction if it has the same location as the previous one. if (DL == CurFn->LastLoc) return; const DIScope *Scope = DL.get()->getScope(); if (!Scope) return; // Skip this line if it is longer than the maximum we can record. LineInfo LI(DL.getLine(), DL.getLine(), /*IsStatement=*/true); if (LI.getStartLine() != DL.getLine() || LI.isAlwaysStepInto() || LI.isNeverStepInto()) return; ColumnInfo CI(DL.getCol(), /*EndColumn=*/0); if (CI.getStartColumn() != DL.getCol()) return; if (!CurFn->HaveLineInfo) CurFn->HaveLineInfo = true; unsigned FileId = 0; if (CurFn->LastLoc.get() && CurFn->LastLoc->getFile() == DL->getFile()) FileId = CurFn->LastFileId; else FileId = CurFn->LastFileId = maybeRecordFile(DL->getFile()); CurFn->LastLoc = DL; unsigned FuncId = CurFn->FuncId; if (const DILocation *SiteLoc = DL->getInlinedAt()) { const DILocation *Loc = DL.get(); // If this location was actually inlined from somewhere else, give it the ID // of the inline call site. FuncId = getInlineSite(SiteLoc, Loc->getScope()->getSubprogram()).SiteFuncId; // Ensure we have links in the tree of inline call sites. bool FirstLoc = true; while ((SiteLoc = Loc->getInlinedAt())) { InlineSite &Site = getInlineSite(SiteLoc, Loc->getScope()->getSubprogram()); if (!FirstLoc) addLocIfNotPresent(Site.ChildSites, Loc); FirstLoc = false; Loc = SiteLoc; } addLocIfNotPresent(CurFn->ChildSites, Loc); } OS.EmitCVLocDirective(FuncId, FileId, DL.getLine(), DL.getCol(), /*PrologueEnd=*/false, /*IsStmt=*/false, DL->getFilename()); }
void CodeViewDebug::maybeRecordLocation(DebugLoc DL, const MachineFunction *MF) { // Skip this instruction if it has the same location as the previous one. if (DL == CurFn->LastLoc) return; const DIScope *Scope = DL.get()->getScope(); if (!Scope) return; // Skip this line if it is longer than the maximum we can record. LineInfo LI(DL.getLine(), DL.getLine(), /*IsStatement=*/true); if (LI.getStartLine() != DL.getLine() || LI.isAlwaysStepInto() || LI.isNeverStepInto()) return; ColumnInfo CI(DL.getCol(), /*EndColumn=*/0); if (CI.getStartColumn() != DL.getCol()) return; if (!CurFn->HaveLineInfo) CurFn->HaveLineInfo = true; unsigned FileId = 0; if (CurFn->LastLoc.get() && CurFn->LastLoc->getFile() == DL->getFile()) FileId = CurFn->LastFileId; else FileId = CurFn->LastFileId = maybeRecordFile(DL->getFile()); CurFn->LastLoc = DL; unsigned FuncId = CurFn->FuncId; if (const DILocation *Loc = DL->getInlinedAt()) { // If this location was actually inlined from somewhere else, give it the ID // of the inline call site. FuncId = getInlineSite(DL.get()).SiteFuncId; // Ensure we have links in the tree of inline call sites. const DILocation *ChildLoc = nullptr; while (Loc->getInlinedAt()) { InlineSite &Site = getInlineSite(Loc); if (ChildLoc) { // Record the child inline site if not already present. auto B = Site.ChildSites.begin(), E = Site.ChildSites.end(); if (std::find(B, E, Loc) != E) break; Site.ChildSites.push_back(Loc); } ChildLoc = Loc; } } Asm->OutStreamer->EmitCVLocDirective(FuncId, FileId, DL.getLine(), DL.getCol(), /*PrologueEnd=*/false, /*IsStmt=*/false, DL->getFilename()); }