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Author SHA1 Message Date
Dan Gohman
8c31acb71e Fix grammar in a comment. 
llvm-svn: 42748
 2007-10-08 15:10:04 +00:00
Dan Gohman
7fa473514d Add explicit keywords. 
llvm-svn: 42747
 2007-10-08 15:08:41 +00:00
Neil Booth
e46d6dbd99 Use APInt::tcExtract. It's cleaner, and works :) 
llvm-svn: 42746
 2007-10-08 14:39:42 +00:00
Neil Booth
f003f9bf1a Add a new function tcExtract for extracting a bignum from an 
arbitrary range of bits embedded in the middle of another bignum.
This kind of operation is desirable in many cases of software
floating point, e.g. converting bignum integers to floating point
numbers of fixed precision (you want to extract the precision most
significant bits).

Elsewhere, add an assertion, and exit the shift functions early if
the shift count is zero.

llvm-svn: 42745
 2007-10-08 13:47:12 +00:00
Gordon Henriksen
739a5252cb Fixed downrev Ocaml compatibility. 
llvm-svn: 42744
 2007-10-08 12:16:59 +00:00
Owen Anderson
ffcd82d1ed Begin the process of allowing DomTree on MBB's. Step One: template DomTreeNode by making it a typedef of a templated DomTreeNodeBase. 
llvm-svn: 42743
 2007-10-08 07:44:39 +00:00
Evan Cheng
96099de5bb Kill cycle of an live range is always the last use index + 1. 
llvm-svn: 42742
 2007-10-08 06:59:30 +00:00
Chris Lattner
48e389b33a Allow passes to just pass up "FunctionPass(&ID)" instead of "FunctionPass((intptr_t)&ID)" 
llvm-svn: 42741
 2007-10-08 03:45:44 +00:00
Gordon Henriksen
8d8fae73c5 C and Objective Caml bindings for getFunction and getNamedGlobal. Also enhanced 
the Objective Caml 'declare_*' functions to behave more or less like
getOrInsertFunction.

llvm-svn: 42740
 2007-10-08 03:45:09 +00:00
Chris Lattner
fcccf4b6c4 disable this entirely: it is causing use of invalidated iterators and infinite looping. 
llvm-svn: 42739
 2007-10-07 22:00:31 +00:00
Chris Lattner
39dbb82db2 Fix many regressions on x86 by avoiding dereferencing the end iterator. 
llvm-svn: 42738
 2007-10-07 21:53:12 +00:00
Chris Lattner
ddd980044f Finish off PR1723, by working around some strange compiler bug. 
llvm-svn: 42737
 2007-10-07 17:57:10 +00:00
Gordon Henriksen
454d171c26 C and Objective Caml bindings for GlobalVariable::isConstant. 
llvm-svn: 42736
 2007-10-07 17:31:42 +00:00
Neil Booth
6f9602ac12 Add back convertFromSignExtendedInteger. 
llvm-svn: 42735
 2007-10-07 12:15:41 +00:00
Neil Booth
ac998332c3 Now that convertFromUnsignedParts has a sane, constant interface, 
convertFromZeroExtendedInteger can be simplified as it doesn't need
to make a copy of the source bignum.

llvm-svn: 42734
 2007-10-07 12:10:57 +00:00
Neil Booth
db4dbedfea Reimplement convertFromUnsignedInteger so it is passed a const bignum. 
It used to modify its argument in-place.

This interface is saner and the implementation more efficient.  It will
be needed for decimal->binary conversion.

llvm-svn: 42733
 2007-10-07 12:07:53 +00:00
Neil Booth
6e01c5df37 convertFromInteger, as originally written, expected sign-extended 
input.  APInt unfortunately zero-extends signed integers, so Dale
modified the function to expect zero-extended input.  Make this
assumption explicit in the function name.

llvm-svn: 42732
 2007-10-07 11:45:55 +00:00
Neil Booth
726126f4d6 combineLostFractions does not need to be a member function 
llvm-svn: 42729
 2007-10-07 08:51:21 +00:00
Daniel Berlin
afb1610cf3 Some more problems noticed by Curtis 
llvm-svn: 42717
 2007-10-07 04:47:57 +00:00
Gordon Henriksen
99c0e2918b C and Objective Caml bindings for PATypeHolder. 
llvm-svn: 42713
 2007-10-07 00:13:35 +00:00
Gordon Henriksen
06eeba26c1 Bindings for the verifier. 
llvm-svn: 42707
 2007-10-06 21:00:36 +00:00
Gordon Henriksen
64b6555e60 Deleting some unnecessary glue. 
llvm-svn: 42702
 2007-10-06 17:10:44 +00:00
Gordon Henriksen
36d61a4b79 Adopting a uniform naming convention for type constructors in 
bindings (part le deux).

llvm-svn: 42701
 2007-10-06 16:56:09 +00:00
Anton Korobeynikov
54ecd77023 Oops, I really wanted to commit this part also :) 
llvm-svn: 42700
 2007-10-06 16:39:43 +00:00
Anton Korobeynikov
34fefcf678 Move merge code into new helper function. 
llvm-svn: 42699
 2007-10-06 16:17:49 +00:00
Gordon Henriksen
ee9c8932e4 Adopting a uniform naming convention for type constructors in bindings. 
llvm-svn: 42698
 2007-10-06 16:05:20 +00:00
Gordon Henriksen
574434313a Adopting a uniform naming convention for constant constructors in bindings. 
llvm-svn: 42697
 2007-10-06 15:11:06 +00:00
Gordon Henriksen
65ce7c3085 Adding C and Ocaml bindings for ConstantExpr. 
llvm-svn: 42696
 2007-10-06 14:29:36 +00:00
Anton Korobeynikov
1f11738913 Include DataTypes.h to provide intptr_t type. This fixes OpenBSD compilation of this file. 
Inspired by Laurence Tratt's patch

llvm-svn: 42695
 2007-10-06 13:07:11 +00:00
Evan Cheng
0eed7948ce Reapply 42677. 
llvm-svn: 42692
 2007-10-06 08:19:55 +00:00
Evan Cheng
c6b349980a Oops. Forgot this. 
llvm-svn: 42691
 2007-10-06 08:09:29 +00:00
Neil Booth
beba899ff0 Cleaner, more general exponent output. 
llvm-svn: 42690
 2007-10-06 07:29:25 +00:00
Chris Lattner
a1de966c80 silence warnings in no-assert build. 
llvm-svn: 42687
 2007-10-06 06:13:42 +00:00
Chris Lattner
63443a5bc3 revert evan's patch until the header is committed 
llvm-svn: 42686
 2007-10-06 06:08:17 +00:00
Evan Cheng
dc95020e30 Added DAG xforms. e.g. 
(vextract (v4f32 s2v (f32 load $addr)), 0) -> (f32 load $addr) 
(vextract (v4i32 bc (v4f32 s2v (f32 load $addr))), 0) -> (i32 load $addr)
Remove x86 specific patterns.

llvm-svn: 42677
 2007-10-06 02:46:29 +00:00
Dale Johannesen
9b7ac95116 Next powerpc long double bits. Comparisons work, 
although not well, and shortening FP converts.

llvm-svn: 42672
 2007-10-06 01:24:11 +00:00
Dale Johannesen
b600202c68 Make test work on non-x86 hosts. 
llvm-svn: 42671
 2007-10-06 01:22:39 +00:00
Neil Booth
0613ec4ee6 Fix and clarify some comments. 
llvm-svn: 42670
 2007-10-06 00:43:45 +00:00
Neil Booth
2c4419d71b Generalize tcFullMultiply so that the operands can be of differing 
part widths.  Also, return the number of parts actually required to
hold the result's value.
Remove an over-cautious condition from rounding of float->hex conversion.

llvm-svn: 42669
 2007-10-06 00:24:48 +00:00
Gordon Henriksen
8d97ababb0 Wrapping Value::dump. 
llvm-svn: 42668
 2007-10-06 00:08:49 +00:00
Gordon Henriksen
543f859a00 Removing the silly CHelpers header by rolling wrap and unwrap into the C 
bindings headers themselves, hidden behind #ifdef __cplusplus.

llvm-svn: 42666
 2007-10-05 23:59:36 +00:00
Evan Cheng
0a642eaa62 Test case for 3-address conversion. 
llvm-svn: 42664
 2007-10-05 23:33:09 +00:00
Evan Cheng
9af50ee6ef Commute x86 cmove instructions by swapping the operands and change the condition 
to its inverse.
Testing this as llcbeta

llvm-svn: 42661
 2007-10-05 23:13:21 +00:00
Evan Cheng
e0e36e4a0e This is done. 
llvm-svn: 42656
 2007-10-05 22:34:59 +00:00
Evan Cheng
dc467c6323 Enable convertToThreeAddress for X86 by default. 
llvm-svn: 42655
 2007-10-05 22:31:10 +00:00
Devang Patel
36b68478cb Fix bug in updating dominance frontier after loop 
unswitch when frontier includes basic blocks that 
are not inside loop.

llvm-svn: 42654
 2007-10-05 22:29:34 +00:00
Evan Cheng
2b3122e56e INC64_32r -> LEA64_32r is better than INC64_32r -> LEA32r, but it still can 
cause performance degradation.

llvm-svn: 42653
 2007-10-05 21:55:32 +00:00
Evan Cheng
688f34a273 In 64-bit mode, avoid using leal with 32-bit 32-bit address size, e.g. 
leal 1(%ecx), %edi, which requires 67H prefix.

llvm-svn: 42647
 2007-10-05 20:34:26 +00:00
Dale Johannesen
c7b51b678d First round of ppc long double. call/return and 
basic arithmetic works.
Rename RTLIB long double functions to distinguish
different flavors of long double; the lib functions
have different names, alas.

llvm-svn: 42644
 2007-10-05 20:04:43 +00:00
Evan Cheng
b069dd6a25 Add support to convert more 64-bit instructions to 3-address instructions. 
llvm-svn: 42642
 2007-10-05 18:20:36 +00:00