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Commit 3b4ad9c1 authored by Craig Topper's avatar Craig Topper
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[CallSiteSplitting] Use !Instruction::use_empty instead of checking for a... 

[CallSiteSplitting] Use !Instruction::use_empty instead of checking for a non-zero return from getNumUses

getNumUses is a linear operation. It walks a linked list to get a count. So in this case its better to just ask if there are any users rather than how many.

llvm-svn: 327314
parent e2becaa9
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