Change CGDebugInfo::setLocation to just ignore invalid locations. This
simplifies clients.
Also, add assert that RegionStack is empty when the CGDebugInfo is
destroyed.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57684 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 240343d..f326be2 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -59,6 +59,8 @@
CGDebugInfo::~CGDebugInfo()
{
+ assert(RegionStack.empty() && "Region stack mismatch, stack not empty!");
+
delete SR;
// Free CompileUnitCache.
@@ -111,7 +113,8 @@
}
void CGDebugInfo::setLocation(SourceLocation loc) {
- CurLoc = M->getContext().getSourceManager().getLogicalLoc(loc);
+ if (loc.isValid())
+ CurLoc = M->getContext().getSourceManager().getLogicalLoc(loc);
}
/// getCastValueFor - Return a llvm representation for a given debug information
@@ -711,6 +714,7 @@
llvm::DebugInfoDesc *DID = RegionStack.back();
Builder.CreateCall(RegionEndFn, getCastValueFor(DID), "");
RegionStack.pop_back();
+ // FIXME: Should be freeing here?
}
/// EmitDeclare - Emit local variable declaration debug info.
diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index 7e41143..22a45ce 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -101,6 +101,8 @@
CGDebugInfo(CodeGenModule *m);
~CGDebugInfo();
+ /// setLocation - Update the current source location. If \arg loc is
+ /// invalid it is ignored.
void setLocation(SourceLocation loc);
/// EmitStopPoint - Emit a call to llvm.dbg.stoppoint to indicate a change of
diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp
index 57e9c39..fd2e357 100644
--- a/lib/CodeGen/CGDecl.cpp
+++ b/lib/CodeGen/CGDecl.cpp
@@ -130,8 +130,7 @@
// Emit global variable debug descriptor for static vars.
CGDebugInfo *DI = CGM.getDebugInfo();
if(DI) {
- if(D.getLocation().isValid())
- DI->setLocation(D.getLocation());
+ DI->setLocation(D.getLocation());
DI->EmitGlobalVariable(static_cast<llvm::GlobalVariable *>(GV), &D);
}
@@ -177,8 +176,7 @@
// Emit debug info for local var declaration.
CGDebugInfo *DI = CGM.getDebugInfo();
if(DI) {
- if(D.getLocation().isValid())
- DI->setLocation(D.getLocation());
+ DI->setLocation(D.getLocation());
DI->EmitDeclare(&D, llvm::dwarf::DW_TAG_auto_variable,
DeclPtr, Builder);
}
@@ -235,8 +233,7 @@
// Emit debug info for param declaration.
CGDebugInfo *DI = CGM.getDebugInfo();
if(DI) {
- if(D.getLocation().isValid())
- DI->setLocation(D.getLocation());
+ DI->setLocation(D.getLocation());
DI->EmitDeclare(&D, llvm::dwarf::DW_TAG_arg_variable,
DeclPtr, Builder);
}
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index fed0eee..20312de 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -33,10 +33,7 @@
// executable code. So do not generate a stoppoint for that.
CGDebugInfo *DI = CGM.getDebugInfo();
if (DI && S->getStmtClass() != Stmt::CompoundStmtClass) {
- if (S->getLocStart().isValid()) {
- DI->setLocation(S->getLocStart());
- }
-
+ DI->setLocation(S->getLocStart());
DI->EmitStopPoint(CurFn, Builder);
}
@@ -122,8 +119,7 @@
// FIXME: handle vla's etc.
CGDebugInfo *DI = CGM.getDebugInfo();
if (DI) {
- if (S.getLBracLoc().isValid())
- DI->setLocation(S.getLBracLoc());
+ DI->setLocation(S.getLBracLoc());
DI->EmitRegionStart(CurFn, Builder);
}
@@ -132,8 +128,7 @@
EmitStmt(*I);
if (DI) {
- if (S.getRBracLoc().isValid())
- DI->setLocation(S.getRBracLoc());
+ DI->setLocation(S.getRBracLoc());
DI->EmitRegionEnd(CurFn, Builder);
}
diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index b182ecf..12e468c 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -73,9 +73,7 @@
// Emit debug descriptor for function end.
if (CGDebugInfo *DI = CGM.getDebugInfo()) {
- if (EndLoc.isValid()) {
- DI->setLocation(EndLoc);
- }
+ DI->setLocation(EndLoc);
DI->EmitRegionEnd(CurFn, Builder);
}
@@ -126,10 +124,8 @@
// FIXME: The cast here is a huge hack.
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
if (CGDebugInfo *DI = CGM.getDebugInfo()) {
- CompoundStmt* body = dyn_cast<CompoundStmt>(FD->getBody());
- if (body && body->getLBracLoc().isValid()) {
+ if (CompoundStmt* body = dyn_cast<CompoundStmt>(FD->getBody()))
DI->setLocation(body->getLBracLoc());
- }
DI->EmitFunctionStart(FD, CurFn, Builder);
}
}
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index a74f057..a8d8825 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -615,8 +615,7 @@
// Emit global variable debug information.
CGDebugInfo *DI = getDebugInfo();
if(DI) {
- if(D->getLocation().isValid())
- DI->setLocation(D->getLocation());
+ DI->setLocation(D->getLocation());
DI->EmitGlobalVariable(GV, D);
}
}