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Author SHA1 Message Date
Dan Gohman
6b33cfc6bb Mark the prefetch intrinsic as IntrWriteArgMem, instead of the 
default of IntrWriteMem, to at least indicate that it doesn't
"capture" the argument pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42768 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 21:15:07 +00:00
Dan Gohman
b5d12c4438 These two tests now require only three multiply instructions, 
instead of four.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42765 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 20:48:12 +00:00
Chris Lattner
f19b8e43b3 Various improvements to the documentation, contributed by 
Joshua Haberman!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42763 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 18:42:45 +00:00
Dan Gohman
525178cdbf Migrate X86 and ARM from using X86ISD::{,I}DIV and ARMISD::MULHILO{U,S} to 
use ISD::{S,U}DIVREM and ISD::{S,U}MUL_HIO. Move the lowering code
associated with these operators into target-independent in LegalizeDAG.cpp
and TargetLowering.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42762 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 18:33:35 +00:00
Evan Cheng
d47c84c1c9 Allow x86 compare to be commutable by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42761 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 18:27:46 +00:00
Gordon Henriksen
2618a6c112 C and Objective Caml bindings for PHINode::addIncoming etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42760 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 18:14:39 +00:00
Dan Gohman
389079b59f DAGCombiner support for UDIVREM/SDIVREM and UMUL_LOHI/SMUL_LOHI. 
Check if one of the two results unneeded so see if a simpler operator
could bs used. Also check to see if each of the two computations could be
simplified if they were split into separate operators. Factor out the code
that calls visit() so that it can be used for this purpose.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42759 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 17:57:15 +00:00
Evan Cheng
7794935327 LLVM does not use the old style simple isel any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42758 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 17:54:24 +00:00
Evan Cheng
b428657504 Remove debugging printf to get build going on x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42757 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 17:49:43 +00:00
Dan Gohman
3ce990dc05 When we start enabling SMUL_LOHI/UMUL_LOHI or SDIVREM/UDIVREM in 
target-indepenent lowering, don't use them on PowerPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42755 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 17:28:24 +00:00
Dan Gohman
08ce976971 Add convenience overloads of SelectionDAG::getNode that take a SDVTList 
and individual SDOperand operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42753 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:49:58 +00:00
Dan Gohman
82a13c9c48 Move the space in overview output for commands out of each of the 
commands and into the common code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42752 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:45:12 +00:00
Dan Gohman
8e41ed7c4e Simplify getIntPtrType, allowing it to work for arbitrary pointer sizes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42751 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:16:25 +00:00
Dan Gohman
c318329a10 Use correct parentheses with the '&& "..."' idiom in an assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42750 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:13:30 +00:00
Dan Gohman
417e11b9bf In -debug mode, dump SelectionDAGs both before and after the 
optimization passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42749 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:12:17 +00:00
Dan Gohman
3ab264a985 Fix grammar in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42748 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:10:04 +00:00
Dan Gohman
cdf2b3b2f8 Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42747 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:08:41 +00:00
Neil Booth
5477f8593d Use APInt::tcExtract. It's cleaner, and works :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42746 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 14:39:42 +00:00
Neil Booth
68e53ad6cb 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42745 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 13:47:12 +00:00
Gordon Henriksen
633360c9d9 Fixed downrev Ocaml compatibility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42744 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 12:16:59 +00:00
Owen Anderson
1aad74c9e8 Begin the process of allowing DomTree on MBB's. Step One: template DomTreeNode by making it a typedef of a templated DomTreeNodeBase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 07:44:39 +00:00
Evan Cheng
537d5c27ff Kill cycle of an live range is always the last use index + 1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42742 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 06:59:30 +00:00
Chris Lattner
529ac2f286 Allow passes to just pass up "FunctionPass(&ID)" instead of "FunctionPass((intptr_t)&ID)" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42741 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 03:45:44 +00:00
Gordon Henriksen
6d6203dff3 C and Objective Caml bindings for getFunction and getNamedGlobal. Also enhanced 
the Objective Caml 'declare_*' functions to behave more or less like
getOrInsertFunction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42740 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 03:45:09 +00:00
Chris Lattner
f443ba7f97 disable this entirely: it is causing use of invalidated iterators and infinite looping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42739 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 22:00:31 +00:00
Chris Lattner
eac9385f09 Fix many regressions on x86 by avoiding dereferencing the end iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42738 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 21:53:12 +00:00
Chris Lattner
f8a3ee1d63 Finish off PR1723, by working around some strange compiler bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42737 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 17:57:10 +00:00
Gordon Henriksen
c84c16be9b C and Objective Caml bindings for GlobalVariable::isConstant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42736 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 17:31:42 +00:00
Neil Booth
f16c595252 Add back convertFromSignExtendedInteger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42735 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 12:15:41 +00:00
Neil Booth
7a7bc0f724 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42734 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 12:10:57 +00:00
Neil Booth
643ce59495 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42733 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 12:07:53 +00:00
Neil Booth
ccf596a53e 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42732 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 11:45:55 +00:00
Neil Booth
33d4c92e78 combineLostFractions does not need to be a member function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42729 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 08:51:21 +00:00
Daniel Berlin
c27d61d3ae Some more problems noticed by Curtis 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42717 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 04:47:57 +00:00
Gordon Henriksen
1cf08fddc7 C and Objective Caml bindings for PATypeHolder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42713 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 00:13:35 +00:00
Gordon Henriksen
c0491ac8b6 Bindings for the verifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42707 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 21:00:36 +00:00
Gordon Henriksen
d8be2154b3 Deleting some unnecessary glue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42702 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 17:10:44 +00:00
Gordon Henriksen
957f9fe1cc Adopting a uniform naming convention for type constructors in 
bindings (part le deux).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42701 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 16:56:09 +00:00
Anton Korobeynikov
2508372746 Oops, I really wanted to commit this part also :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42700 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 16:39:43 +00:00
Anton Korobeynikov
4f1c33f7c8 Move merge code into new helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42699 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 16:17:49 +00:00
Gordon Henriksen
81a788176e Adopting a uniform naming convention for type constructors in bindings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42698 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 16:05:20 +00:00
Gordon Henriksen
e3b989d4a4 Adopting a uniform naming convention for constant constructors in bindings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42697 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 15:11:06 +00:00
Gordon Henriksen
4647569fe7 Adding C and Ocaml bindings for ConstantExpr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42696 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 14:29:36 +00:00
Anton Korobeynikov
57db1734af Include DataTypes.h to provide intptr_t type. This fixes OpenBSD compilation of this file. 
Inspired by Laurence Tratt's patch


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42695 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 13:07:11 +00:00
Evan Cheng
513da43c9c Reapply 42677. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 08:19:55 +00:00
Evan Cheng
186edc8fa1 Oops. Forgot this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42691 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 08:09:29 +00:00
Neil Booth
92f7e8d925 Cleaner, more general exponent output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42690 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 07:29:25 +00:00
Chris Lattner
a11ef82207 silence warnings in no-assert build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42687 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 06:13:42 +00:00
Chris Lattner
5349de1372 revert evan's patch until the header is committed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42686 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 06:08:17 +00:00
Evan Cheng
c231e8c8a5 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42677 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 02:46:29 +00:00