Chris Lattner ca53de1ab7 teach zext optimization how to deal with truncs that don't come from ... the zext dest type. This allows us to handle test52/53 in cast.ll, and allows llvm-gcc to generate much better code for PR4216 in -m64 mode: _test_bitfield: ## @test_bitfield orl $32962, %edi movl %edi, %eax andl $-25350, %eax ret This also fixes a bug handling vector extends, ensuring that the mask produced is a vector constant, not an integer constant. llvm-svn: 93127		2010-01-10 20:25:54 +00:00
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Hello	Fix a bunch of little errors that Clang complains about when its being pedantic	2009-12-19 07:05:23 +00:00
InstCombine	teach zext optimization how to deal with truncs that don't come from	2010-01-10 20:25:54 +00:00
Instrumentation	Move remaining stuff to the isInteger predicate.	2010-01-05 21:05:54 +00:00
IPO	Be less stingy as to how many selects and phi nodes we	2010-01-07 05:48:42 +00:00
Scalar	only factor from expressions whose uses are empty and whose	2010-01-09 06:01:36 +00:00
Utils	Fix nondeterministic behavior.	2010-01-10 01:07:22 +00:00
Makefile	move instcombine to its own library, it's past time.	2010-01-04 06:23:24 +00:00