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86 Commits

Author SHA1 Message Date
Chris Lattner
5ddfa77636 Fix PR1101 and Analysis/ScalarEvolution/trip-count.ll 
llvm-svn: 33193
 2007-01-14 01:24:47 +00:00
Chris Lattner
39030b8d42 don't discriminate against bool 
llvm-svn: 33128
 2007-01-12 18:28:58 +00:00
Reid Spencer
3d986f6487 Implement review feedback for the ConstantBool->ConstantInt merge. Chris 
recommended that getBoolValue be replaced with getZExtValue and that
get(bool) be replaced by get(const Type*, uint64_t). This implements
those changes.

llvm-svn: 33110
 2007-01-12 04:24:46 +00:00
Reid Spencer
f3265181e2 Rename BoolTy as Int1Ty. Patch by Sheng Zhou. 
llvm-svn: 33076
 2007-01-11 18:21:29 +00:00
Zhou Sheng
23d24526b2 For PR1043: 
Merge ConstantIntegral and ConstantBool into ConstantInt.
Remove ConstantIntegral and ConstantBool from LLVM.

llvm-svn: 33073
 2007-01-11 12:24:14 +00:00
Reid Spencer
372c53dfbf Convert uses of getPrimitiveSize that should be getPrimitiveSizeInBits. 
llvm-svn: 33003
 2007-01-08 01:26:33 +00:00
Chris Lattner
b76478fd3d Fix PR1015 and Transforms/IndVarsSimplify/2007-01-06-TripCount.ll, a 
miscompilation of Qt.

llvm-svn: 32974
 2007-01-07 02:24:26 +00:00
Chris Lattner
adc6319e45 cast of int to bool no longer does a compare, rendering this fixme 
obsolete

llvm-svn: 32972
 2007-01-07 02:05:20 +00:00
Reid Spencer
0fb7fa82d4 For PR950: 
This patch replaces signed integer types with signless ones:
1. [US]Byte -> Int8
2. [U]Short -> Int16
3. [U]Int   -> Int32
4. [U]Long  -> Int64.
5. Removal of isSigned, isUnsigned, getSignedVersion, getUnsignedVersion
   and other methods related to signedness. In a few places this warranted
   identifying the signedness information from other sources.

llvm-svn: 32785
 2006-12-31 05:48:39 +00:00
Reid Spencer
4428c3483b For PR950: 
This patch removes the SetCC instructions and replaces them with the ICmp
and FCmp instructions. The SetCondInst instruction has been removed and
been replaced with ICmpInst and FCmpInst.

llvm-svn: 32751
 2006-12-23 06:05:41 +00:00
Reid Spencer
bf23c40f9f Add a FIXME about signedness. 
llvm-svn: 32732
 2006-12-21 18:59:16 +00:00
Reid Spencer
480dd02b45 Add some comments about things that can go away once signless types are in. 
llvm-svn: 32727
 2006-12-21 06:43:46 +00:00
Chris Lattner
03b59d4218 eliminate static ctors from Statistics 
llvm-svn: 32697
 2006-12-19 22:30:33 +00:00
Chris Lattner
28c15ed860 Fix a bug in GetConstantFactor for affine expressions, in which the existing 
code was wrong for things like 3+4*i.

llvm-svn: 32662
 2006-12-19 01:16:02 +00:00
Reid Spencer
0e981c9088 Replace inferred getCast(V,Ty) calls with more strict variants. 
Rename getZeroExtend and getSignExtend to getZExt and getSExt to match
the the casting mnemonics in the rest of LLVM.

llvm-svn: 32514
 2006-12-12 23:36:14 +00:00
Reid Spencer
04710becf5 Get even more accurate on the casting. 
llvm-svn: 32478
 2006-12-12 09:17:50 +00:00
Reid Spencer
562b83c7df Change inferred getCast into specific getCast. Passes all tests. 
llvm-svn: 32469
 2006-12-12 05:05:00 +00:00
Chris Lattner
51c27947c6 teach scev to analyze X*4|1 like X*4+c. This allows us to produce: 
LBB1_1: #bb
        movdqa (%esi), %xmm2
        movaps %xmm2, %xmm3
        punpcklbw %xmm0, %xmm3
        movaps %xmm3, %xmm4
        punpcklwd %xmm0, %xmm4
        cvtdq2ps %xmm4, %xmm4
        mulps %xmm1, %xmm4
        movaps %xmm4, (%edi)
        leal 1(,%eax,4), %ebx
        shll $4, %ebx
        punpckhwd %xmm0, %xmm3
        cvtdq2ps %xmm3, %xmm3
        mulps %xmm1, %xmm3
        movaps %xmm3, (%edx,%ebx)
        leal 2(,%eax,4), %ebx
        shll $4, %ebx
        punpckhbw %xmm0, %xmm2
        movaps %xmm2, %xmm3
        punpcklwd %xmm0, %xmm3
        cvtdq2ps %xmm3, %xmm3
        mulps %xmm1, %xmm3
        movaps %xmm3, (%edx,%ebx)
        leal 3(,%eax,4), %ebx
        shll $4, %ebx
        punpckhwd %xmm0, %xmm2
        cvtdq2ps %xmm2, %xmm2
        mulps %xmm1, %xmm2
        movaps %xmm2, (%edx,%ebx)
        addl $64, %edi
        incl %eax
        addl $16, %esi
        cmpl %ecx, %eax
        jne LBB1_1      #bb

instead of:

LBB1_1: #bb
        movdqa (%esi), %xmm2
        movaps %xmm2, %xmm3
        punpcklbw %xmm0, %xmm3
        movaps %xmm3, %xmm4
        punpcklwd %xmm0, %xmm4
        cvtdq2ps %xmm4, %xmm4
        mulps %xmm1, %xmm4
        movaps %xmm4, (%edi)
        leal 1(,%eax,4), %ebx
        shll $4, %ebx
        punpckhwd %xmm0, %xmm3
        cvtdq2ps %xmm3, %xmm3
        mulps %xmm1, %xmm3
        movaps %xmm3, (%edx,%ebx)
        leal 2(,%eax,4), %ebx
        shll $4, %ebx
        punpckhbw %xmm0, %xmm2
        movaps %xmm2, %xmm3
        punpcklwd %xmm0, %xmm3
        cvtdq2ps %xmm3, %xmm3
        mulps %xmm1, %xmm3
        movaps %xmm3, (%edx,%ebx)
        leal 3(,%eax,4), %ebx
        shll $4, %ebx
        punpckhwd %xmm0, %xmm2
        cvtdq2ps %xmm2, %xmm2
        mulps %xmm1, %xmm2
        movaps %xmm2, (%edx,%ebx)
        addl $64, %edi
        incl %eax
        addl $16, %esi
        cmpl %ecx, %eax
        jne LBB1_1      #bb

for a testcase.

llvm-svn: 32463
 2006-12-12 02:26:09 +00:00
Chris Lattner
e31f99af99 clarify some comments, simplify some checks, fix: 
Regression/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll

llvm-svn: 32420
 2006-12-11 00:12:31 +00:00
Bill Wendling
a3246c4272 Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are 
now cerr, cout, and NullStream resp.

llvm-svn: 32298
 2006-12-07 01:30:32 +00:00
Chris Lattner
a531ce882e Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Reid Spencer
980b8e4169 Finally get the casting right in this file. Also, remove some unnecessary 
casting because sdiv doesn't require operand signs to match any more.

llvm-svn: 32240
 2006-12-05 22:39:58 +00:00
Reid Spencer
c87c3e5a70 Bail on the getInferredCast idea. Remove the function and convert 
remaining uses to more specific casts.

llvm-svn: 32231
 2006-12-05 19:14:13 +00:00
Reid Spencer
9161e033cd Fix comment grammaro 
llvm-svn: 32198
 2006-12-04 21:33:23 +00:00
Reid Spencer
e7de1b3255 Fix inferred casts. 
llvm-svn: 32180
 2006-12-04 17:05:42 +00:00
Jeff Cohen
f99052befb Unbreak VC++ build. 
llvm-svn: 32113
 2006-12-02 02:22:01 +00:00
Bill Wendling
040a60d22d Removed some of the iostream #includes. Moved towards converting to using 
llvm streams

llvm-svn: 31983
 2006-11-28 22:46:12 +00:00
Reid Spencer
992d9788b3 For PR950: 
The long awaited CAST patch. This introduces 12 new instructions into LLVM
to replace the cast instruction. Corresponding changes throughout LLVM are
provided. This passes llvm-test, llvm/test, and SPEC CPUINT2000 with the
exception of 175.vpr which fails only on a slight floating point output
difference.

llvm-svn: 31931
 2006-11-27 01:05:10 +00:00
Jim Laskey
28fec74f1b Remove redundant <cmath>. 
llvm-svn: 31561
 2006-11-08 19:16:44 +00:00
Reid Spencer
1abf69e923 For PR950: 
Replace the REM instruction with UREM, SREM and FREM.

llvm-svn: 31369
 2006-11-02 01:53:59 +00:00
Reid Spencer
198701d5ec Make ScalarEvolution actually use a ZeroExtend expression instead of 
having SCZeroExtendExpr be equivalent to SCTruncate

llvm-svn: 31355
 2006-11-01 21:53:12 +00:00
Reid Spencer
6833ffe8b8 For PR950: 
Make necessary changes to support DIV -> [SUF]Div. This changes llvm to
have three division instructions: signed, unsigned, floating point. The
bytecode and assembler are bacwards compatible, however.

llvm-svn: 31195
 2006-10-26 06:15:43 +00:00
Reid Spencer
d414793dbc For PR950: 
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.

llvm-svn: 31063
 2006-10-20 07:07:24 +00:00
Chris Lattner
de1ba6dc70 Fix some more static dtor issues. 
llvm-svn: 30724
 2006-10-04 21:49:37 +00:00
Chris Lattner
155e6b8403 Eliminate ConstantBool::True and ConstantBool::False. Instead, provide 
ConstantBool::getTrue() and ConstantBool::getFalse().

llvm-svn: 30666
 2006-09-28 23:36:21 +00:00
Chris Lattner
f530302eda Eliminate RegisterAnalysis. RegisterPass now does all that is necessary. 
llvm-svn: 29921
 2006-08-27 22:30:17 +00:00
Chris Lattner
33bd5dcfb7 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
llvm-svn: 29911
 2006-08-27 12:54:02 +00:00
Chris Lattner
496bd3fbf6 Use hidden visibility to make symbols in an anonymous namespace get 
dropped.  This shrinks libllvmgcc.dylib another 67K

llvm-svn: 28975
 2006-06-28 23:17:24 +00:00
Chris Lattner
b42f17a66a Implement Transforms/IndVarsSimplify/complex-scev.ll, a case where we didn't 
recognize some simple affine IV's.

llvm-svn: 27982
 2006-04-26 18:34:07 +00:00
Chris Lattner
020ff34600 Signed shr by a constant is not the same as sdiv by 2^k 
llvm-svn: 27395
 2006-04-04 06:11:42 +00:00
Chris Lattner
a76347d917 Fix Transforms/IndVarsSimplify/2006-03-31-NegativeStride.ll and 
PR726 by performing consistent signed division, not consistent unsigned
division when evaluating scev's.  Do not touch udivs.

llvm-svn: 27326
 2006-04-01 04:48:52 +00:00
Chris Lattner
15ec384b49 Add explicit iostream #includes 
llvm-svn: 25513
 2006-01-22 23:19:18 +00:00
John Criswell
d6538108e8 Move some constant folding code shared by Analysis and Transform passes 
into the LLVMAnalysis library.
This allows LLVMTranform and LLVMTransformUtils to be archives and linked
with LLVMAnalysis.a, which provides any missing definitions.

llvm-svn: 24036
 2005-10-27 15:54:34 +00:00
Chris Lattner
8503ee5b01 wrap a long line 
llvm-svn: 23507
 2005-09-28 22:30:58 +00:00
Chris Lattner
3bfebb1e8f Fix Transforms/LoopStrengthReduce/2005-08-15-AddRecIV.ll 
llvm-svn: 22797
 2005-08-16 00:37:01 +00:00
Chris Lattner
c2cbe96e25 Teach LLVM to know how many times a loop executes when constructed with 
a < expression, e.g.: for (i = m; i < n; ++i)

llvm-svn: 22793
 2005-08-15 23:33:51 +00:00
Chris Lattner
0730ac081a Fix an obvious oops 
llvm-svn: 22742
 2005-08-10 00:59:40 +00:00
Chris Lattner
6ca08d5739 implement two helper methods 
llvm-svn: 22736
 2005-08-09 23:36:33 +00:00
Misha Brukman
122d682689 Remove trailing whitespace 
llvm-svn: 21416
 2005-04-21 21:13:18 +00:00
Chris Lattner
49d166c6b6 Don't make this require loopsimplify. It works BETTER with loop simplify 
but should not require it.

llvm-svn: 21123
 2005-04-06 21:45:00 +00:00