229907cd11
land David Blaikie's patch to de-constify Type, with a few tweaks.
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llvm-svn: 135375
2011-07-18 04:54:35 +00:00
b362884ca9
Renamed llvm.x86.sse42.crc32 intrinsics; crc64 doesn't exist.
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crc32.[8|16|32] have been renamed to .crc32.32.[8|16|32] and
crc64.[8|16|32] have been renamed to .crc32.64.[8|64].
llvm-svn: 132163
2011-05-26 23:13:19 +00:00
e8d2e9eb35
Revert r131664 and fix it in instcombine instead. rdar://9467055
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llvm-svn: 131708
2011-05-20 00:54:37 +00:00
6efb64ea8e
Make the demanded bits/elements optimizations preserve debug line information.
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I'm not sure this is quite ideal, but I can't really think of any better way to do it.
llvm-svn: 131616
2011-05-19 01:20:42 +00:00
5bd18b6638
X86 pmovsx/pmovzx ignore the upper half of their inputs.
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rdar://problem/6945110
llvm-svn: 131493
2011-05-17 22:13:31 +00:00
a81a82dcaf
PR9346: Prevent SimplifyDemandedBits from incorrectly introducing
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INT_MIN % -1.
llvm-svn: 127306
2011-03-09 01:28:35 +00:00
e467979d0a
Add more analysis of the sign bit of an srem instruction. If the LHS is negative
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then the result could go either way. If it's provably positive then so is the
srem. Fixes PR9343 #7 !
llvm-svn: 127146
2011-03-07 01:50:10 +00:00
768003c59e
teach SimplifyDemandedBits that exact shifts demand the bits they
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are shifting out since they do require them to be zeros. Similarly
for NUW/NSW bits of shl
llvm-svn: 125263
2011-02-10 05:09:34 +00:00
583abbc4df
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.
llvm-svn: 121120
2010-12-07 08:25:19 +00:00
25a5e4ca1f
PR5207: Rename overloaded APInt methods set(), clear(), flip() to
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setAllBits(), setBit(unsigned), etc.
llvm-svn: 120564
2010-12-01 08:53:58 +00:00
e23efeef10
use ArgOperand API
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llvm-svn: 107016
2010-06-28 16:45:00 +00:00
7943017490
use ArgOperand API
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llvm-svn: 106737
2010-06-24 12:35:13 +00:00
7258dcd77f
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.
llvm-svn: 101579
2010-04-16 23:37:20 +00:00
f375520f7b
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
llvm-svn: 101465
2010-04-16 15:33:14 +00:00
403e9694f9
back out r101423 and r101397, they break llvm-gcc self-host on darwin10
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llvm-svn: 101434
2010-04-16 01:16:20 +00:00
33ae80bff7
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
llvm-svn: 101397
2010-04-15 20:51:13 +00:00
9fd00c7d25
back out r101364, as it trips the linux nightlybot on some clang C++ tests
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llvm-svn: 101368
2010-04-15 12:46:56 +00:00
aafd209632
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
llvm-svn: 101364
2010-04-15 10:49:53 +00:00
19d0b47b1f
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.
llvm-svn: 96344
2010-02-16 11:11:14 +00:00
9dff9bec31
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!
llvm-svn: 96223
2010-02-15 16:12:20 +00:00
b22423c89a
fix some problems handling large vectors reported in PR6230
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llvm-svn: 95616
2010-02-08 23:56:03 +00:00
c8a3e56870
Having RHSKnownZero and RHSKnownOne be alternative names for KnownZero and KnownOne
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(via APInt &RHSKnownZero = KnownZero, etc) seems dangerous and confusing to me: it
is easy not to notice this, and then wonder why KnownZero/RHSKnownZero changed
underneath you when you modified RHSKnownZero/KnownZero etc. So get rid of this.
No intended functionality change (tested with "make check" + llvm-gcc bootstrap).
llvm-svn: 94802
2010-01-29 06:18:46 +00:00
3a48b87c54
Fix PR6165. The bug was that LHSKnownZero was being and'd with DemandedMask
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when it should have been and'd with LowBits. Fix that and while there beef
up the logic in the case of a negative LHS.
llvm-svn: 94745
2010-01-28 17:22:42 +00:00
7e0449172c
move the 'SimplifyDemandedFoo' methods out to their own file, cutting 1K lines out of instcombine.cpp
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llvm-svn: 92465
2010-01-04 07:17:19 +00:00
Chris Lattner