llvm-project

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History

Chris Lattner 335f0e4ad4 fix two significant issues with FoldTwoEntryPHINode:

first, it can kick in on blocks whose conditions have been
folded to a constant, even though one of the edges will be
trivially folded.

second, it doesn't clean up the "if diamond" that it just 
eliminated away.  This is a problem because other simplifycfg
xforms kick in depending on the order of block visitation,
causing pointless work.

llvm-svn: 121762

2010-12-14 08:01:53 +00:00

Hello

Since the Hello pass is built as a loadable dynamic library, don't try to convert it to new-style registration yet.

2010-10-07 00:31:16 +00:00

InstCombine

Generalize the and-icmp-select instcombine further by allowing selects of the form

2010-12-11 10:49:22 +00:00

Instrumentation

Get rid of static constructors for pass registration. Instead, every pass exposes an initializeMyPassFunction(), which

2010-10-19 17:21:58 +00:00

IPO

reapply r121100 with a tweak to constant fold ConstExprs with TargetData