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Add line table debug info to COFF files when using a win32 triple.

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Reviewed at http://llvm-reviews.chandlerc.com/D2232

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200340 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Timur Iskhodzhanov
2014-01-28 21:33:27 +00:00
parent 6cccb32fb0
commit 38afdbea2c
13 changed files with 1531 additions and 33 deletions
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26
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1525,30 +1525,6 @@ void DwarfDebug::identifyScopeMarkers() {
}
}
// Get MDNode for DebugLoc's scope.
static MDNode *getScopeNode(DebugLoc DL, const LLVMContext &Ctx) {
if (MDNode *InlinedAt = DL.getInlinedAt(Ctx))
return getScopeNode(DebugLoc::getFromDILocation(InlinedAt), Ctx);
return DL.getScope(Ctx);
}
// Walk up the scope chain of given debug loc and find line number info
// for the function.
static DebugLoc getFnDebugLoc(DebugLoc DL, const LLVMContext &Ctx) {
const MDNode *Scope = getScopeNode(DL, Ctx);
DISubprogram SP = getDISubprogram(Scope);
if (SP.isSubprogram()) {
// Check for number of operands since the compatibility is
// cheap here.
if (SP->getNumOperands() > 19)
return DebugLoc::get(SP.getScopeLineNumber(), 0, SP);
else
return DebugLoc::get(SP.getLineNumber(), 0, SP);
}
return DebugLoc();
}
// Gather pre-function debug information. Assumes being called immediately
// after the function entry point has been emitted.
void DwarfDebug::beginFunction(const MachineFunction *MF) {
@ -1743,7 +1719,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
// Record beginning of function.
if (!PrologEndLoc.isUnknown()) {
DebugLoc FnStartDL =
getFnDebugLoc(PrologEndLoc, MF->getFunction()->getContext());
PrologEndLoc.getFnDebugLoc(MF->getFunction()->getContext());
recordSourceLine(
FnStartDL.getLine(), FnStartDL.getCol(),
FnStartDL.getScope(MF->getFunction()->getContext()),