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Emit a stop point before a call expression so that debugger has some chance of getting some footing when user wants to stop at 2nd bar() in following expression when all function calls are inlined. 

= bar() + ... + bar() + ...

clang keeps track of column numbers, so we could put location entries for all subexpressions but that will significantly bloat debug info in general, but a location for call expression is helpful here.

llvm-svn: 127018
This commit is contained in:
Devang Patel 2011-03-04 18:54:42 +00:00
parent 22b69db8dd
commit d3a6b0f184
1 changed files with 7 additions and 0 deletions
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7
clang/lib/CodeGen/CGExpr.cpp
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@ -15,6 +15,7 @@
#include "CodeGenModule.h"
#include "CGCall.h"
#include "CGCXXABI.h"
#include "CGDebugInfo.h"
#include "CGRecordLayout.h"
#include "CGObjCRuntime.h"
#include "clang/AST/ASTContext.h"
@ -1936,6 +1937,12 @@ LValue CodeGenFunction::EmitOpaqueValueLValue(const OpaqueValueExpr *e) {
RValue CodeGenFunction::EmitCallExpr(const CallExpr *E,
ReturnValueSlot ReturnValue) {
if (CGDebugInfo *DI = getDebugInfo()) {
DI->setLocation(E->getLocStart());
DI->UpdateLineDirectiveRegion(Builder);
DI->EmitStopPoint(Builder);
}
// Builtins never have block type.
if (E->getCallee()->getType()->isBlockPointerType())
return EmitBlockCallExpr(E, ReturnValue);