[codeview] Wire up the .cv_inline_linetable directive
This directive emits the binary annotations that describe line and code
deltas in inlined call sites. Single-stepping through inlined frames in
windbg now works.
llvm-svn: 259535
diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
index 4883905..d9f38f3 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
@@ -48,7 +48,8 @@
MapVector<const DILocation *, InlineSite> InlineSites;
DebugLoc LastLoc;
- MCSymbol *End = nullptr;
+ const MCSymbol *Begin = nullptr;
+ const MCSymbol *End = nullptr;
unsigned FuncId = 0;
unsigned LastFileId = 0;
bool HaveLineInfo = false;
@@ -59,6 +60,10 @@
InlineSite &getInlineSite(const DILocation *Loc);
+ static void collectInlineSiteChildren(SmallVectorImpl<unsigned> &Children,
+ const FunctionInfo &FI,
+ const InlineSite &Site);
+
/// Remember some debug info about each function. Keep it in a stable order to
/// emit at the end of the TU.
MapVector<const Function *, FunctionInfo> FnDebugInfo;
@@ -66,6 +71,8 @@
/// Map from DIFile to .cv_file id.
DenseMap<const DIFile *, unsigned> FileIdMap;
+ SmallSetVector<const DISubprogram *, 4> InlinedSubprograms;
+
DenseMap<const DISubprogram *, codeview::TypeIndex> SubprogramToFuncId;
unsigned TypeCount = 0;
@@ -93,6 +100,8 @@
void emitTypeInformation();
+ void emitInlineeLinesSubsection();
+
void emitDebugInfoForFunction(const Function *GV, FunctionInfo &FI);
void emitInlinedCallSite(const FunctionInfo &FI, const DILocation *InlinedAt,