David Majnemer d2ed420815 [CodeGen] Teach LLVM how to lower @llvm.{min,max}num to {MIN,MAX}NAN ... The behavior of {MIN,MAX}NAN differs from that of {MIN,MAX}NUM when only one of the inputs is NaN: -NUM will return the non-NaN argument while -NAN would return NaN. It is desirable to lower to @llvm.{min,max}num to -NAN if they don't have a native instruction for -NUM. Notably, ARMv7 NEON's vmin has the -NAN semantics. N.B. Of course, it is only safe to do this if the intrinsic call is marked nnan. llvm-svn: 266279		2016-04-14 07:13:24 +00:00
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BBVectorize.cpp	[CodeGen] Teach LLVM how to lower @llvm.{min,max}num to {MIN,MAX}NAN	2016-04-14 07:13:24 +00:00
CMakeLists.txt
LLVMBuild.txt
LoopVectorize.cpp	[CodeGen] Teach LLVM how to lower @llvm.{min,max}num to {MIN,MAX}NAN	2016-04-14 07:13:24 +00:00
SLPVectorizer.cpp	[CodeGen] Teach LLVM how to lower @llvm.{min,max}num to {MIN,MAX}NAN	2016-04-14 07:13:24 +00:00
Vectorize.cpp