This patch propagates the debug location info when c++ function calls
are lowered. It allows to generate proper debug location info for e.g.
the c backend (so you can map instructions back to the original c++ code).
Since it's fairly trivial I have not added a test case. If you require
one anyways please let me know.
Alex
Index: lib/Transforms/Utils/LowerInvoke.cpp
===================================================================
--- lib/Transforms/Utils/LowerInvoke.cpp (revision 116700)
+++ lib/Transforms/Utils/LowerInvoke.cpp (working copy)
@@ -187,6 +187,11 @@
NewCall->takeName(II);
NewCall->setCallingConv(II->getCallingConv());
NewCall->setAttributes(II->getAttributes());
+
+ Instruction* pOI=static_cast<Instruction*>(II);
+ Instruction* pNI=static_cast<Instruction*>(NewCall);
+ pNI->setDebugLoc(pOI->getDebugLoc());
+
II->replaceAllUsesWith(NewCall);
// Insert an unconditional branch to the normal destination.
@@ -267,6 +272,11 @@
NewCall->takeName(II);
NewCall->setCallingConv(II->getCallingConv());
NewCall->setAttributes(II->getAttributes());
+
+ Instruction* pOI=static_cast<Instruction*>(II);
+ Instruction* pNI=static_cast<Instruction*>(NewCall);
+ pNI->setDebugLoc(pOI->getDebugLoc());
+
II->replaceAllUsesWith(NewCall);
// Replace the invoke with an uncond branch.
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