Jay Foad
40f8f6264d
PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and
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zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121120 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07 08:25:19 +00:00
Jay Foad
7a874ddda0
PR5207: Rename overloaded APInt methods set(), clear(), flip() to
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setAllBits(), setBit(unsigned), etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120564 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-01 08:53:58 +00:00
Chris Lattner
ed58a6f96f
move GetPointerBaseWithConstantOffset out of GVN into ValueTracking.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120476 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-30 22:25:26 +00:00
Jay Foad
a99793c5ea
PR5207: Make APInt::set(), APInt::clear() and APInt::flip() return void.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120413 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-30 09:02:01 +00:00
Chris Lattner
e971131695
fix PR8063, a crash in globalopt in the malloc analysis code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113109 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-05 17:20:46 +00:00
Chris Lattner
30963fbe8f
move gep decomposition out of ValueTracking into BasicAA. The form of
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decomposition that it is doing is very basicaa specific and is only used
by basicaa.
Now with less tree breakingness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111433 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 22:07:29 +00:00
Daniel Dunbar
4ae56d725d
Revert r111375, "move gep decomposition out of ValueTracking into BasicAA. The
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form of", it doesn't pass tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111385 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 18:43:08 +00:00
Chris Lattner
6b63037306
move gep decomposition out of ValueTracking into BasicAA. The form of
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decomposition that it is doing is very basicaa specific and is only used
by basicaa.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111375 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 18:22:17 +00:00
Chris Lattner
91b2307a89
fix PR7589: In brief:
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gep P, (zext x) != gep P, (sext x)
DecomposeGEPExpression was getting this wrong, confusing
basicaa.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111352 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 04:28:19 +00:00
Gabor Greif
71339c965c
use ArgOperand accessors
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106697 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-23 23:38:07 +00:00
Eric Christopher
551754c495
Revert 101465, it broke internal OpenGL testing.
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Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101579 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 23:37:20 +00:00
Gabor Greif
4ec2258ffb
reapply r101434
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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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101465 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 15:33:14 +00:00
Gabor Greif
607a7ab3da
back out r101423 and r101397, they break llvm-gcc self-host on darwin10
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101434 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16 01:16:20 +00:00
Gabor Greif
2ff961f668
reapply r101364, which has been backed out in r101368
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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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101397 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 20:51:13 +00:00
Gabor Greif
9ee1720811
back out r101364, as it trips the linux nightlybot on some clang C++ tests
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101368 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 12:46:56 +00:00
Gabor Greif
165dac08d1
rotate CallInst operands, i.e. move callee to the back
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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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101364 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15 10:49:53 +00:00
Dan Gohman
0a60fa3321
Constify GetConstantStringInfo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 22:20:45 +00:00
Evan Cheng
0af20d847a
Fix a typo in ValueTracking that's causing instcombine to delete needed shift instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98416 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-13 02:20:29 +00:00
Eric Christopher
25ec483cfc
Move GetStringLength and helper from SimplifyLibCalls to ValueTracking.
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No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97793 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-05 06:58:57 +00:00
Duncan Sands
1df9859c40
There are two ways of checking for a given type, for example isa<PointerType>(T)
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and T->isPointerTy(). Convert most instances of the first form to the second form.
Requested by Chris.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96344 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16 11:11:14 +00:00
Duncan Sands
b0bc6c361d
Uniformize the names of type predicates: rather than having isFloatTy and
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isInteger, we now have isFloatTy and isIntegerTy. Requested by Chris!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96223 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-15 16:12:20 +00:00
Duncan Sands
cfd54181a4
It looks like the changes to the SRem logic of SimplifyDemandedUseBits
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(fix for PR6165) are needed here too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94801 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-29 06:18:37 +00:00
Chris Lattner
8d10f9d4a8
teach ComputeNumSignBits to look through PHI nodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92964 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-07 23:44:37 +00:00
Benjamin Kramer
8c65f6e71c
Move remaining stuff to the isInteger predicate.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92771 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05 21:05:54 +00:00
Chris Lattner
524528e614
Fix GetConstantStringInfo to not look into MDString (it works on
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real data, not metadata) and fix DbgInfoPrinter to not abuse
GetConstantStringInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91444 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 19:34:20 +00:00
Mon P Wang
69a008075b
Fixed an assertion failure for tracking sext of a vector of integers
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90290 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-02 04:59:58 +00:00
Chris Lattner
ab9530ee5d
implement a FIXME: limit the depth that DecomposeGEPExpression goes the same
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way that getUnderlyingObject does it.
This fixes the 'DecomposeGEPExpression and getUnderlyingObject disagree!'
assertion on sqlite3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90038 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-28 15:12:41 +00:00
Chris Lattner
a650f770d4
limit the recursion depth of GetLinearExpression. This
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fixes a crash analyzing consumer-lame, which had an "%X = add %X, 1"
in unreachable code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90000 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-27 08:32:52 +00:00
Chris Lattner
1ce0eaa25f
Implement PR1143 (at -m64) by making basicaa look through extensions. We
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previously already handled it at -m32 because there were no i32->i64
extensions for addressing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89959 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26 18:53:33 +00:00
Chris Lattner
b18004c13c
fix two transposed lines duncan caught and add an explanatory comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89958 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26 18:35:46 +00:00
Chris Lattner
8fe8ac725b
this todo is resolved.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89957 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26 17:14:10 +00:00
Chris Lattner
e405c64f6b
move DecomposeGEPExpression out into ValueTracking.cpp
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89956 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26 17:12:50 +00:00
Chris Lattner
11fe72661d
remove some redundant braces
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89912 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26 01:50:12 +00:00
Nick Lewycky
ae3d802953
Remove unused LLVMContext.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89642 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-23 03:29:18 +00:00
Dan Gohman
3dbb9e64d6
Simplify ComputeMultiple so that it doesn't depend on TargetData.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89175 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-18 00:58:27 +00:00
Victor Hernandez
2b6705f5e7
Add ComputeMultiple() analysis function that recursively determines if a Value V is a multiple of unsigned Base
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86675 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10 08:28:35 +00:00
Victor Hernandez
7b929dad59
Remove AllocationInst. Since MallocInst went away, AllocaInst is the only subclass of AllocationInst, so it no longer is necessary.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84969 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23 21:09:37 +00:00
Victor Hernandez
a276c603b8
Remove MallocInst from LLVM Instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84299 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17 01:18:07 +00:00
Dale Johannesen
9d06175a15
Handle sqrt in CannotBeNegativeZero. absf and absl
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appear to be misspellings, removed in favor of fabs*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82796 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-25 20:54:50 +00:00
Dan Gohman
307a7c48f1
Teach ValueTracking how to look through GlobalAliases. GlobalAliases are
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not folded in the constant folder because the constant folder doesn't
simplify ConstantExpr operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81864 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 16:14:44 +00:00
Chris Lattner
b9a4ddbbcd
fix ComputeMaskedBits handling of zext/sext/trunc to work with vectors.
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This fixes PR4905
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81174 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08 00:13:52 +00:00
Chris Lattner
cf5128ec01
add some comments to describe the invariants.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81173 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08 00:06:16 +00:00
Torok Edwin
148843b0ce
Fix DbgStopPointInst->getFileName/getDirectory, broken by the MDNodification in
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r80406, and readd a -print-dbginfo test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80778 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-02 11:13:56 +00:00
Dan Gohman
846a2f2703
Handle TargetData with const.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80262 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-27 17:51:25 +00:00
Dan Gohman
8255573835
Use hasDefinitiveInitializer() instead of testing the same thing
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by hand, and fix a few places that were using hasInitializer() that
appear to depend on the initializer value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79441 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 18:20:44 +00:00
Dan Gohman
107f41fad5
Fix SimplifyLibcalls and ValueTracking to check mayBeOverridden
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before performing optimizations based on constant string values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79384 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 00:11:12 +00:00
Owen Anderson
1d0be15f89
Push LLVMContexts through the IntegerType APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 21:58:54 +00:00
Dan Gohman
004072508b
Don't assume that external global variables are aligned at their preferred
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alignment. Only the minimum alignment guaranteed by the ABI may be assumed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78668 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11 15:50:03 +00:00
Dan Gohman
7db949df78
Fix a bunch of namespace pollution.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07 01:32:21 +00:00
Owen Anderson
a7235ea724
Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are
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metadata related, which I'm waiting on to avoid conflicting with Devang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77721 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31 20:28:14 +00:00