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2533 Commits

Author SHA1 Message Date
Chris Lattner e903f38b4d eliminate getBitCastOperand and simplify some over-complex inbounds stuff. 
llvm-svn: 92708
 2010-01-05 07:42:10 +00:00
Chris Lattner 7a9e47ac4b split call handling out to InstCombineCalls.cpp 
llvm-svn: 92707
 2010-01-05 07:32:13 +00:00
Chris Lattner 9da1cb243b optimize cttz and ctlz when we can prove something about the 
leading/trailing bits.  Patch by Alastair Lynn!

llvm-svn: 92706
 2010-01-05 07:23:56 +00:00
Chris Lattner 85e65e58ac this inline function moved to addsub 
llvm-svn: 92705
 2010-01-05 07:20:54 +00:00
Chris Lattner 82aa888e8c split add/sub out to its own file. Eliminate use of 
dyn_castNotVal in the X+~X transform.  dyn_castNotVal is
dramatic overkill for what the xform needed.

llvm-svn: 92704
 2010-01-05 07:18:46 +00:00
Chris Lattner c7de92ae15 all the places we use hasOneUse() we know are instructions, so inline 
and simplify.

llvm-svn: 92700
 2010-01-05 07:04:23 +00:00
Chris Lattner c6493f070e eliminate AssociativeOpt and its last uses. 
llvm-svn: 92697
 2010-01-05 07:01:16 +00:00
Chris Lattner 94694c7f0b inline the FoldICmpLogical functor. 
llvm-svn: 92695
 2010-01-05 06:59:49 +00:00
Chris Lattner 98d48a0b76 inline the 'AddRHS' transformation, simplifying things significantly. 
Eliminate the 'AddMaskingAnd' transformation, it is redundant with this
more general code right below it:
  // A+B --> A|B iff A and B have no bits set in common.

llvm-svn: 92693
 2010-01-05 06:29:13 +00:00
Chris Lattner 39b063bf37 remove massive over-genality manifested as a big template 
that got instantiated.  There is no reason for instcombine
to try this hard for simple associative optimizations.  Next
up, eliminate the template completely.

llvm-svn: 92692
 2010-01-05 06:24:06 +00:00
Chris Lattner dc054bf39a split mul/div/rem instructions out to their own file. 
llvm-svn: 92689
 2010-01-05 06:09:35 +00:00
Chris Lattner 1e7b7b50b1 clean up header. 
llvm-svn: 92688
 2010-01-05 06:05:07 +00:00
Chris Lattner 8f771cb78f split select out to its own file. 
llvm-svn: 92687
 2010-01-05 06:03:12 +00:00
Chris Lattner a65e2f7304 split out load/store/alloca. 
llvm-svn: 92685
 2010-01-05 05:57:49 +00:00
Chris Lattner 841af4f03d reduce indentation 
llvm-svn: 92684
 2010-01-05 05:42:08 +00:00
Chris Lattner ec97a90221 split vector stuff out to InstCombineVectorOps.cpp 
llvm-svn: 92683
 2010-01-05 05:36:20 +00:00
Chris Lattner de1feded32 split PHI node stuff out to InstCombinePHI.cpp 
llvm-svn: 92682
 2010-01-05 05:31:55 +00:00
Chris Lattner 27acfcd1c4 convert various IntrinsicInst's to use class instead of struct. 
llvm-svn: 92681
 2010-01-05 05:21:26 +00:00
Devang Patel be94f23992 Remove dead debug info intrinsics. 
Intrinsic::dbg_stoppoint
 Intrinsic::dbg_region_start 
 Intrinsic::dbg_region_end 
 Intrinsic::dbg_func_start
AutoUpgrade simply ignores these intrinsics now.

llvm-svn: 92557
 2010-01-05 01:10:40 +00:00
Daniel Dunbar 72a87448c1 Fix some struct/class specifier mismatches. 
llvm-svn: 92550
 2010-01-05 00:15:58 +00:00
Chris Lattner a751d09c08 Truncate GEP indexes larger than the pointer size down to pointer size 
when doing this transform if the GEP is not inbounds.  No testcase because
it is very difficult to trigger this: instcombine already canonicalizes
GEP indices to pointer size, so it relies specific permutations of the
instcombine worklist.

Thanks to Duncan for pointing this possible problem out.

llvm-svn: 92495
 2010-01-04 18:57:15 +00:00
Chris Lattner 2cb08e69b1 silence a bogus 'might be used uninit' warning from GCC. 
llvm-svn: 92494
 2010-01-04 18:48:26 +00:00
Chris Lattner 59d95743c8 move some more cast-related stuff 
llvm-svn: 92471
 2010-01-04 07:59:07 +00:00
Chris Lattner 92be2adba6 move the [Can]EvaluateInDifferentType functions out to InstCombineCasts.cpp 
llvm-svn: 92469
 2010-01-04 07:54:59 +00:00
Chris Lattner 2b295a0eba split 943 lines of instcombine out to a new InstCombineCasts.cpp 
file.  InstructionCombining.cpp is now down to a svelte 9300 lines :)

llvm-svn: 92468
 2010-01-04 07:53:58 +00:00
Chris Lattner 2188e40e4c split instcombine of compares (visit[FI]Cmp) out to 
a new InstCombineCompares.cpp file.

llvm-svn: 92467
 2010-01-04 07:37:31 +00:00
Chris Lattner 6ea40f1542 update cmakefile 
llvm-svn: 92466
 2010-01-04 07:19:55 +00:00
Chris Lattner 7e0449172c move the 'SimplifyDemandedFoo' methods out to their own file, cutting 1K lines out of instcombine.cpp 
llvm-svn: 92465
 2010-01-04 07:17:19 +00:00
Chris Lattner 35522b7465 split the instcombine class definition out to a header shared 
among the instcombine library.

llvm-svn: 92463
 2010-01-04 07:12:23 +00:00
Chris Lattner b8906bda13 remove a ton of unneeded LLVMContext stuff. 
llvm-svn: 92462
 2010-01-04 07:02:48 +00:00
Chris Lattner 66c2e54bcd move InstCombineWorklist out to its own header. 
llvm-svn: 92461
 2010-01-04 06:30:00 +00:00
Chris Lattner e2b9da98b0 forgot to svn add these. 
llvm-svn: 92460
 2010-01-04 06:28:20 +00:00
Chris Lattner c0e6640d3a move instcombine to its own library, it's past time. 
llvm-svn: 92459
 2010-01-04 06:23:24 +00:00