Changes

Summary

1. [SelectionDAG] Use INT_MIN as (1 << 31) is UB for signed integers. NFCI.
2. [SelectionDAG] computeKnownBits - remove some duplicate/shadow variables. NFCI.

Revision 359873 by rksimon: [SelectionDAG] Use INT_MIN as (1 << 31) is UB for signed integers. NFCI.
Change Type	Path in Repository	Path in Workspace
	/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp	trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
Revision 359872 by rksimon: [SelectionDAG] computeKnownBits - remove some duplicate/shadow variables. NFCI.
Change Type	Path in Repository	Path in Workspace
	/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp	trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp