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45 Commits

Author SHA1 Message Date
Owen Anderson
f8addbb0a1 Fix batch of converting RegisterPass<> to INTIALIZE_PASS(). 
llvm-svn: 109045
 2010-07-21 22:09:45 +00:00
Gabor Greif
72d36e30a0 cache result of operator* 
llvm-svn: 107972
 2010-07-09 15:01:36 +00:00
Gabor Greif
847eba58d8 use ArgOperand API, also tighten the type of visitFree to make this work out smoothly 
llvm-svn: 106736
 2010-06-24 12:21:15 +00:00
Duncan Sands
32d3986765 Teach instCombine to remove malloc+free if malloc's only uses are comparisons 
to null.  Patch by Matti Niemenmaa.

llvm-svn: 104871
 2010-05-27 19:09:06 +00:00
Eric Christopher
e78496e5f1 Revert 101465, it broke internal OpenGL testing. 
Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.

llvm-svn: 101579
 2010-04-16 23:37:20 +00:00
Gabor Greif
e7d6812008 reapply r101434 
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101465
 2010-04-16 15:33:14 +00:00
Gabor Greif
cd116e8c6a back out r101423 and r101397, they break llvm-gcc self-host on darwin10 
llvm-svn: 101434
 2010-04-16 01:16:20 +00:00
Gabor Greif
2e18d34d80 reapply r101364, which has been backed out in r101368 
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101397
 2010-04-15 20:51:13 +00:00
Gabor Greif
6022150477 back out r101364, as it trips the linux nightlybot on some clang C++ tests 
llvm-svn: 101368
 2010-04-15 12:46:56 +00:00
Gabor Greif
428ca23bbd rotate CallInst operands, i.e. move callee to the back 
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101364
 2010-04-15 10:49:53 +00:00
Duncan Sands
1b33dd3c83 There are two ways of checking for a given type, for example isa<PointerType>(T) 
and T->isPointerTy().  Convert most instances of the first form to the second form.
Requested by Chris.

llvm-svn: 96344
 2010-02-16 11:11:14 +00:00
Duncan Sands
2acaf3609c Uniformize the names of type predicates: rather than having isFloatTy and 
isInteger, we now have isFloatTy and isIntegerTy.  Requested by Chris!

llvm-svn: 96223
 2010-02-15 16:12:20 +00:00
Chris Lattner
944f9c4ac1 teach ComputeNumSignBits to look through PHI nodes. 
llvm-svn: 92964
 2010-01-07 23:44:37 +00:00
Benjamin Kramer
0ba7479f2c Move remaining stuff to the isInteger predicate. 
llvm-svn: 92771
 2010-01-05 21:05:54 +00:00
Benjamin Kramer
c233521d45 Convert a ton of simple integer type equality tests to the new predicate. 
llvm-svn: 92760
 2010-01-05 20:07:06 +00:00
Dan Gohman
e4a22bdd4a Use do+while instead of while for loops which obviously have a 
non-zero trip count. Use SmallVector's pop_back_val().

llvm-svn: 92734
 2010-01-05 16:27:25 +00:00
Chris Lattner
09b91ecf3c prune some #includes. 
llvm-svn: 92712
 2010-01-05 07:54:43 +00:00
Chris Lattner
58ddbda58c split and/or/xor out into one overly-large (2000LOC) file. However, I think 
it does make sense to keep them together, at least for now.

llvm-svn: 92711
 2010-01-05 07:50:36 +00:00
Chris Lattner
7201f09ff2 missed file with previous commit. 
llvm-svn: 92710
 2010-01-05 07:45:02 +00:00
Chris Lattner
e75f48f8bd eliminate getBitCastOperand and simplify some over-complex inbounds stuff. 
llvm-svn: 92708
 2010-01-05 07:42:10 +00:00
Chris Lattner
e21194fe22 split call handling out to InstCombineCalls.cpp 
llvm-svn: 92707
 2010-01-05 07:32:13 +00:00
Chris Lattner
491e03b6ef 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
e36e3b586d this inline function moved to addsub 
llvm-svn: 92705
 2010-01-05 07:20:54 +00:00
Chris Lattner
63747a10a8 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
5ea00f56bd 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
081decf118 eliminate AssociativeOpt and its last uses. 
llvm-svn: 92697
 2010-01-05 07:01:16 +00:00
Chris Lattner
4d773ac576 inline the FoldICmpLogical functor. 
llvm-svn: 92695
 2010-01-05 06:59:49 +00:00
Chris Lattner
1e57d0e7e3 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
17a2db8444 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
92f9d59ad1 split mul/div/rem instructions out to their own file. 
llvm-svn: 92689
 2010-01-05 06:09:35 +00:00
Chris Lattner
e4910dc145 split select out to its own file. 
llvm-svn: 92687
 2010-01-05 06:03:12 +00:00
Chris Lattner
b55724e825 split out load/store/alloca. 
llvm-svn: 92685
 2010-01-05 05:57:49 +00:00
Chris Lattner
e22030e730 split vector stuff out to InstCombineVectorOps.cpp 
llvm-svn: 92683
 2010-01-05 05:36:20 +00:00
Chris Lattner
23ff3ce8eb split PHI node stuff out to InstCombinePHI.cpp 
llvm-svn: 92682
 2010-01-05 05:31:55 +00:00
Devang Patel
3b08c33f33 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
Chris Lattner
8304a93ff4 silence a bogus 'might be used uninit' warning from GCC. 
llvm-svn: 92494
 2010-01-04 18:48:26 +00:00
Chris Lattner
e19878577c move some more cast-related stuff 
llvm-svn: 92471
 2010-01-04 07:59:07 +00:00
Chris Lattner
f9920fbac9 move the [Can]EvaluateInDifferentType functions out to InstCombineCasts.cpp 
llvm-svn: 92469
 2010-01-04 07:54:59 +00:00
Chris Lattner
7a5037baf5 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
fed736376e 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
fbcc4eb5a5 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
cf0889fda3 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
cb0fe8a20b remove a ton of unneeded LLVMContext stuff. 
llvm-svn: 92462
 2010-01-04 07:02:48 +00:00
Chris Lattner
ec9a1ab1bb move InstCombineWorklist out to its own header. 
llvm-svn: 92461
 2010-01-04 06:30:00 +00:00
Chris Lattner
2d9948f5f1 move instcombine to its own library, it's past time. 
llvm-svn: 92459
 2010-01-04 06:23:24 +00:00