Create a mapping between the landing pad basic block and the call site index for later use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141125 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index daefaf0..6eb862a 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -5250,6 +5250,8 @@
unsigned CallSiteIndex = MMI.getCurrentCallSite();
if (CallSiteIndex) {
MMI.setCallSiteBeginLabel(BeginLabel, CallSiteIndex);
+ LPadToCallSiteMap[LandingPad] = CallSiteIndex;
+
// Now that the call site is handled, stop tracking it.
MMI.setCurrentCallSite(0);
}
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index 9039f4d..521e4d3 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -320,6 +320,9 @@
/// GFI - Garbage collection metadata for the function.
GCFunctionInfo *GFI;
+ /// LPadToBeginLabelMap - Map a landing pad to the begin label.
+ DenseMap<MachineBasicBlock*, unsigned> LPadToCallSiteMap;
+
/// HasTailCall - This is set to true if a call in the current
/// block has been translated as a tail call. In this case,
/// no subsequent DAG nodes should be created.