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Create a mapping between the landing pad basic block and the call site index for later use.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141125 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2011-10-04 22:00:35 +00:00
parent 7016cf66ee
commit a8512edb6d
2 changed files with 5 additions and 0 deletions
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2
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -5250,6 +5250,8 @@ void SelectionDAGBuilder::LowerCallTo(ImmutableCallSite CS, SDValue Callee,
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);
}

3
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
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@ -320,6 +320,9 @@ public:
/// 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.