Changes

Summary

[X86] Check Subtarget.hasSSE3() before calling shouldUseHorizontalOp and (details)
[Attributor] Teach AANoCapture to use information in-flight more (details)

Commit e78414622ddbc4f696d1d16ef8db918f732a0a88 by craig.topper [X86] Check Subtarget.hasSSE3() before calling shouldUseHorizontalOp and emitting X86ISD::FHADD in LowerUINT_TO_FP_i64. This was a regression from r375341. Fixes PR43729. llvm-svn: 375381
	llvm/test/CodeGen/X86/scalar-int-to-fp.ll
	llvm/lib/Target/X86/X86ISelLowering.cpp
Commit 3839b57f7306bdca794bd033f36bff02f68cf0f0 by jdoerfert [Attributor] Teach AANoCapture to use information in-flight more aggressively AAReturnedValues, AAMemoryBehavior, and AANoUnwind, can provide information that helps during the tracking or even justifies no-capture. We now use this information and enable no-capture in some test cases designed a long while a ago for these cases. llvm-svn: 375382
	llvm/test/Transforms/FunctionAttrs/nonnull.ll
	llvm/lib/Transforms/IPO/Attributor.cpp
	llvm/test/Transforms/FunctionAttrs/read_write_returned_arguments_scc.ll
	llvm/test/Transforms/FunctionAttrs/arg_nocapture.ll
	llvm/test/Transforms/FunctionAttrs/arg_returned.ll
	llvm/test/Transforms/FunctionAttrs/nocapture.ll