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5477f8593d
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20371 Commits

Author SHA1 Message Date
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
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
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
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
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
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
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
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
Dale Johannesen
638ccd52b9 Next powerpc long double bits. Comparisons work, 
although not well, and shortening FP converts.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42672 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 01:24:11 +00:00
Neil Booth
055c0b3a8f Fix and clarify some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42670 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 00:43:45 +00:00
Neil Booth
978661d053 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42669 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 00:24:48 +00:00
Gordon Henriksen
88cc699942 Wrapping Value::dump. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42668 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 00:08:49 +00:00
Gordon Henriksen
acd96191cd Removing the silly CHelpers header by rolling wrap and unwrap into the C 
bindings headers themselves, hidden behind #ifdef __cplusplus.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42666 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 23:59:36 +00:00
Evan Cheng
7ad42d9ec0 Commute x86 cmove instructions by swapping the operands and change the condition 
to its inverse.
Testing this as llcbeta


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42661 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 23:13:21 +00:00
Evan Cheng
57cce6c466 This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42656 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 22:34:59 +00:00
Evan Cheng
ecf80ac68a Enable convertToThreeAddress for X86 by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42655 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 22:31:10 +00:00
Devang Patel
5c4cd0d82e Fix bug in updating dominance frontier after loop 
unswitch when frontier includes basic blocks that 
are not inside loop.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42654 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 22:29:34 +00:00
Evan Cheng
b75ed322c4 INC64_32r -> LEA64_32r is better than INC64_32r -> LEA32r, but it still can 
cause performance degradation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42653 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 21:55:32 +00:00
Evan Cheng
559dc46d46 In 64-bit mode, avoid using leal with 32-bit 32-bit address size, e.g. 
leal 1(%ecx), %edi, which requires 67H prefix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42647 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 20:34:26 +00:00
Dale Johannesen
161e897b0f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42644 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 20:04:43 +00:00
Evan Cheng
b952d1f5be Add support to convert more 64-bit instructions to 3-address instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42642 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 18:20:36 +00:00
Evan Cheng
3154cb67d1 ADC and SBB uses EFLAGS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42640 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 17:59:57 +00:00
Dan Gohman
52c0253f04 Change a few more spaces to tabs in assembly output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42638 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 15:58:41 +00:00
Dan Gohman
4e8e831a4e Change a space to a tab in the assembly output of a .globl directive 
for consistency.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42637 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 15:54:58 +00:00
Dan Gohman
e14ea86744 Legalize support for MUL_LOHI and DIVREM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42636 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 14:17:22 +00:00
Dan Gohman
2eb4ebd953 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42635 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 14:11:58 +00:00
Dan Gohman
ccd60799cd Provide names for MUL_LOHI and DIVREM operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42634 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 14:11:04 +00:00
Evan Cheng
3f411c7627 Testing convertToThreeeAddress as X86 llcbeta. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42630 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 08:04:01 +00:00
Evan Cheng
d5cb5a462b Chain producing nodes cannot be moved, not chain reading nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42627 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 01:42:35 +00:00
Evan Cheng
117c366219 Oops. Didn't mean to leave this in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42626 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 01:39:40 +00:00
Evan Cheng
f10c973797 If a node that defines a physical register that is expensive to copy. The 
scheduler will try a number of tricks in order to avoid generating the
copies. This may not be possible in case the node produces a chain value
that prevent movement. Try unfolding the load from the node before to allow
it to be moved / cloned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42625 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 01:39:18 +00:00
Evan Cheng
75b4e46b8a Added storeRegToAddr, loadRegFromAddr, and unfoldMemoryOperand's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42624 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 01:34:55 +00:00
Evan Cheng
afa98bcf3d Not needed any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42623 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 01:34:14 +00:00