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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
index bebe5ca1aaa..379ced966fa 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
@@ -363,13 +363,20 @@ public:
/// GFI - Garbage collection metadata for the function.
GCFunctionInfo *GFI;
+ /// 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.
+ ///
+ bool HasTailCall;
+
LLVMContext *Context;
SelectionDAGLowering(SelectionDAG &dag, TargetLowering &tli,
FunctionLoweringInfo &funcinfo,
CodeGenOpt::Level ol)
: CurDebugLoc(DebugLoc::getUnknownLoc()),
- TLI(tli), DAG(dag), FuncInfo(funcinfo), OptLevel(ol),
+ TLI(tli), DAG(dag), FuncInfo(funcinfo), OptLevel(ol),
+ HasTailCall(false),
Context(dag.getContext()) {
}
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