Introduce DebugScope which gets embedded into the machine instructions' DebugLoc.
DebugScope refers to a debug region, function or block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72191 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index 367cf4c..1c05b0a 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -331,17 +331,22 @@
DICompileUnit CU(cast<GlobalVariable>(SPI->getContext()));
unsigned Line = SPI->getLine();
unsigned Col = SPI->getColumn();
- unsigned Idx = MF.getOrCreateDebugLocID(CU.getGV(), Line, Col);
+ unsigned Idx = MF.getOrCreateDebugLocID(CU.getGV(),
+ DbgScopeTrack.getCurScope(),
+ Line, Col);
setCurDebugLoc(DebugLoc::get(Idx));
}
return true;
}
case Intrinsic::dbg_region_start: {
DbgRegionStartInst *RSI = cast<DbgRegionStartInst>(I);
- if (DIDescriptor::ValidDebugInfo(RSI->getContext(), CodeGenOpt::None) &&
- DW && DW->ShouldEmitDwarfDebug()) {
- unsigned ID =
- DW->RecordRegionStart(cast<GlobalVariable>(RSI->getContext()));
+ if (!DIDescriptor::ValidDebugInfo(RSI->getContext(), CodeGenOpt::None))
+ return true;
+
+ GlobalVariable *Rgn = cast<GlobalVariable>(RSI->getContext());
+ DbgScopeTrack.EnterDebugScope(Rgn, MF);
+ if (DW && DW->ShouldEmitDwarfDebug()) {
+ unsigned ID = DW->RecordRegionStart(Rgn);
const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
BuildMI(MBB, DL, II).addImm(ID);
}
@@ -349,10 +354,14 @@
}
case Intrinsic::dbg_region_end: {
DbgRegionEndInst *REI = cast<DbgRegionEndInst>(I);
- if (DIDescriptor::ValidDebugInfo(REI->getContext(), CodeGenOpt::None) &&
- DW && DW->ShouldEmitDwarfDebug()) {
+ if (!DIDescriptor::ValidDebugInfo(REI->getContext(), CodeGenOpt::None))
+ return true;
+
+ GlobalVariable *Rgn = cast<GlobalVariable>(REI->getContext());
+ DbgScopeTrack.ExitDebugScope(Rgn, MF);
+ if (DW && DW->ShouldEmitDwarfDebug()) {
unsigned ID = 0;
- DISubprogram Subprogram(cast<GlobalVariable>(REI->getContext()));
+ DISubprogram Subprogram(Rgn);
if (!Subprogram.isNull() && !Subprogram.describes(MF.getFunction())) {
// This is end of an inlined function.
const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
@@ -382,6 +391,7 @@
DebugLoc PrevLoc = DL;
DISubprogram Subprogram(cast<GlobalVariable>(SP));
DICompileUnit CompileUnit = Subprogram.getCompileUnit();
+ DbgScopeTrack.EnterDebugScope(Subprogram.getGV(), MF);
if (!Subprogram.describes(MF.getFunction())) {
// This is a beginning of an inlined function.
@@ -393,8 +403,10 @@
return true;
// Record the source line.
unsigned Line = Subprogram.getLineNumber();
- setCurDebugLoc(DebugLoc::get(MF.getOrCreateDebugLocID(
- CompileUnit.getGV(), Line, 0)));
+ setCurDebugLoc(
+ DebugLoc::get(MF.getOrCreateDebugLocID(CompileUnit.getGV(),
+ DbgScopeTrack.getCurScope(),
+ Line, 0)));
if (DW && DW->ShouldEmitDwarfDebug()) {
DebugLocTuple PrevLocTpl = MF.getDebugLocTuple(PrevLoc);
@@ -408,8 +420,10 @@
} else {
// Record the source line.
unsigned Line = Subprogram.getLineNumber();
- MF.setDefaultDebugLoc(DebugLoc::get(MF.getOrCreateDebugLocID(
- CompileUnit.getGV(), Line, 0)));
+ MF.setDefaultDebugLoc(
+ DebugLoc::get(MF.getOrCreateDebugLocID(CompileUnit.getGV(),
+ DbgScopeTrack.getCurScope(),
+ Line, 0)));
if (DW && DW->ShouldEmitDwarfDebug()) {
// llvm.dbg.func_start also defines beginning of function scope.
DW->RecordRegionStart(cast<GlobalVariable>(FSI->getSubprogram()));