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Commit 2f6dc10c authored by Cameron Zwarich's avatar Cameron Zwarich
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Use getVRegDef() instead of def_iterator. This leads to fewer defs being added 

with 2-address instructions, for about a 3.5% speedup of StrongPHIElimination on
403.gcc.

llvm-svn: 122635
parent acc6b4e2
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