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83 Commits

Author SHA1 Message Date
Gabor Greif 1abbde3103 use ArgOperand accessors 
llvm-svn: 106697
 2010-06-23 23:38:07 +00:00
Eric Christopher 7258dcd77f 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 f375520f7b 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 403e9694f9 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 33ae80bff7 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 9fd00c7d25 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 aafd209632 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
Dan Gohman 0b4df0425f Constify GetConstantStringInfo. 
llvm-svn: 101298
 2010-04-14 22:20:45 +00:00
Evan Cheng 2a65429671 Fix a typo in ValueTracking that's causing instcombine to delete needed shift instructions. 
llvm-svn: 98416
 2010-03-13 02:20:29 +00:00
Eric Christopher 4899cbc77d Move GetStringLength and helper from SimplifyLibCalls to ValueTracking. 
No functionality change.

llvm-svn: 97793
 2010-03-05 06:58:57 +00:00
Duncan Sands 19d0b47b1f 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 9dff9bec31 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
Duncan Sands 26cd6bd0b0 It looks like the changes to the SRem logic of SimplifyDemandedUseBits 
(fix for PR6165) are needed here too.

llvm-svn: 94801
 2010-01-29 06:18:37 +00:00
Chris Lattner 35d3b9dcd0 teach ComputeNumSignBits to look through PHI nodes. 
llvm-svn: 92964
 2010-01-07 23:44:37 +00:00
Benjamin Kramer d2564e3afb Move remaining stuff to the isInteger predicate. 
llvm-svn: 92771
 2010-01-05 21:05:54 +00:00
Chris Lattner a3aef788ec Fix GetConstantStringInfo to not look into MDString (it works on 
real data, not metadata) and fix DbgInfoPrinter to not abuse
GetConstantStringInfo.

llvm-svn: 91444
 2009-12-15 19:34:20 +00:00
Mon P Wang bb3eac9e7a Fixed an assertion failure for tracking sext of a vector of integers 
llvm-svn: 90290
 2009-12-02 04:59:58 +00:00
Chris Lattner c7bc66dfc6 implement a FIXME: limit the depth that DecomposeGEPExpression goes the same 
way that getUnderlyingObject does it. 

This fixes the 'DecomposeGEPExpression and getUnderlyingObject disagree!' 
assertion on sqlite3.

llvm-svn: 90038
 2009-11-28 15:12:41 +00:00
Chris Lattner 8e62d0a93d limit the recursion depth of GetLinearExpression. This 
fixes a crash analyzing consumer-lame, which had an "%X = add %X, 1"
in unreachable code.

llvm-svn: 90000
 2009-11-27 08:32:52 +00:00
Chris Lattner 1bf7ff704a Implement PR1143 (at -m64) by making basicaa look through extensions. We 
previously already handled it at -m32 because there were no i32->i64 
extensions for addressing.

llvm-svn: 89959
 2009-11-26 18:53:33 +00:00
Chris Lattner d7cabea8ca fix two transposed lines duncan caught and add an explanatory comment. 
llvm-svn: 89958
 2009-11-26 18:35:46 +00:00
Chris Lattner 9aa846956e this todo is resolved. 
llvm-svn: 89957
 2009-11-26 17:14:10 +00:00
Chris Lattner 29f82a1465 move DecomposeGEPExpression out into ValueTracking.cpp 
llvm-svn: 89956
 2009-11-26 17:12:50 +00:00
Chris Lattner 4f0b47d9e7 remove some redundant braces 
llvm-svn: 89912
 2009-11-26 01:50:12 +00:00
Nick Lewycky 39dbfd3c58 Remove unused LLVMContext. 
llvm-svn: 89642
 2009-11-23 03:29:18 +00:00
Dan Gohman 6a976bbcb7 Simplify ComputeMultiple so that it doesn't depend on TargetData. 
llvm-svn: 89175
 2009-11-18 00:58:27 +00:00
Victor Hernandez 4744488e8d Add ComputeMultiple() analysis function that recursively determines if a Value V is a multiple of unsigned Base 
llvm-svn: 86675
 2009-11-10 08:28:35 +00:00
Victor Hernandez 8acf2956b8 Remove AllocationInst. Since MallocInst went away, AllocaInst is the only subclass of AllocationInst, so it no longer is necessary. 
llvm-svn: 84969
 2009-10-23 21:09:37 +00:00
Victor Hernandez a3aaf85e23 Remove MallocInst from LLVM Instructions. 
llvm-svn: 84299
 2009-10-17 01:18:07 +00:00
Dale Johannesen f6a987b784 Handle sqrt in CannotBeNegativeZero. absf and absl 
appear to be misspellings, removed in favor of fabs*.

llvm-svn: 82796
 2009-09-25 20:54:50 +00:00
Dan Gohman 94262db4d4 Teach ValueTracking how to look through GlobalAliases. GlobalAliases are 
not folded in the constant folder because the constant folder doesn't
simplify ConstantExpr operands.

llvm-svn: 81864
 2009-09-15 16:14:44 +00:00
Chris Lattner 0cdbc7a2ca fix ComputeMaskedBits handling of zext/sext/trunc to work with vectors. 
This fixes PR4905

llvm-svn: 81174
 2009-09-08 00:13:52 +00:00
Chris Lattner 4bc2825d0b add some comments to describe the invariants. 
llvm-svn: 81173
 2009-09-08 00:06:16 +00:00
Torok Edwin 18e03dd70c Fix DbgStopPointInst->getFileName/getDirectory, broken by the MDNodification in 
r80406, and readd a -print-dbginfo test.

llvm-svn: 80778
 2009-09-02 11:13:56 +00:00
Dan Gohman 05f11351ab Handle TargetData with const. 
llvm-svn: 80262
 2009-08-27 17:51:25 +00:00
Dan Gohman 5d5bc6d000 Use hasDefinitiveInitializer() instead of testing the same thing 
by hand, and fix a few places that were using hasInitializer() that
appear to depend on the initializer value.

llvm-svn: 79441
 2009-08-19 18:20:44 +00:00
Dan Gohman dea2358c68 Fix SimplifyLibcalls and ValueTracking to check mayBeOverridden 
before performing optimizations based on constant string values.

llvm-svn: 79384
 2009-08-19 00:11:12 +00:00
Owen Anderson 55f1c09e31 Push LLVMContexts through the IntegerType APIs. 
llvm-svn: 78948
 2009-08-13 21:58:54 +00:00
Dan Gohman a72f856aa4 Don't assume that external global variables are aligned at their preferred 
alignment. Only the minimum alignment guaranteed by the ABI may be assumed.

llvm-svn: 78668
 2009-08-11 15:50:03 +00:00
Dan Gohman a6d0afcb74 Fix a bunch of namespace pollution. 
llvm-svn: 78363
 2009-08-07 01:32:21 +00:00
Owen Anderson 5a1acd9912 Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are 
metadata related, which I'm waiting on to avoid conflicting with Devang.

llvm-svn: 77721
 2009-07-31 20:28:14 +00:00
Owen Anderson b292b8ce70 Move more code back to 2.5 APIs. 
llvm-svn: 77635
 2009-07-30 23:03:37 +00:00
Daniel Dunbar ca414c7cae Remove Value::getNameLen 
llvm-svn: 77148
 2009-07-26 08:34:35 +00:00
Owen Anderson 47db941fd3 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +00:00
Dan Gohman 80ca01c466 Add a new Operator class, for handling Instructions and ConstantExprs 
in a convenient manner, factoring out some common code from
InstructionCombining and ValueTracking. Move the contents of
BinaryOperators.h into Operator.h and use Operator to generalize them
to support ConstantExprs as well as Instructions.

llvm-svn: 76232
 2009-07-17 20:47:02 +00:00
Owen Anderson 38264b1554 "LLVMContext* " --> "LLVMContext *" 
llvm-svn: 74878
 2009-07-06 23:00:19 +00:00
Owen Anderson f1f1743b2e Finish LLVMContext-ing lib/Analysis. This required pushing LLVMContext's through the ValueTracking API. 
llvm-svn: 74873
 2009-07-06 22:37:39 +00:00
Chris Lattner edb8407f0c do not try to analyze bitcasts from i64 to <2 x i32> in ComputedMaskedBits. While 
we could do this, doing so requires adjusting the demanded mask and the code isn't 
doing that yet.  This fixes PR4495

llvm-svn: 74699
 2009-07-02 16:04:08 +00:00
Dan Gohman 2636693a3c Fix llvm::ComputeNumSignBits to handle pointer types 
conservatively correctly, instead of aborting.

llvm-svn: 73908
 2009-06-22 22:02:32 +00:00
Dan Gohman 7ccc52f131 Support vector casts in more places, fixing a variety of assertion 
failures.

To support this, add some utility functions to Type to help support
vector/scalar-independent code. Change ConstantInt::get and
ConstantFP::get to support vector types, and add an overload to
ConstantInt::get that uses a static IntegerType type, for
convenience.

Introduce a new getConstant method for ScalarEvolution, to simplify
common use cases.

llvm-svn: 73431
 2009-06-15 22:12:54 +00:00