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SelectionDAGBuilder has special handling for dbg.value intrinsics that are understood to define the location of function parameters on entry to the function. To enable this, we avoid recording a dbg.value as a virtual register reference if it might be such a parameter, so that it later hits EmitFuncArgumentDbgValue. This patch reduces the set of circumstances where we avoid recording a dbg.value as a virtual register reference, to allow more "normal" variables to be recorded that way. We now only bypass for potential parameters if: * The dbg.value operand is an Argument, * The Variable is a parameter, and * The Variable is not inlined. meaning it's very likely that the dbg.value is a function-entry parameter location. Differential Revision: https://reviews.llvm.org/D57584 llvm-svn: 353948 |
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