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Author SHA1 Message Date
Dan Gohman
6c3e0cdd36 LowerIntegerDivOrRem no longer exists. 
llvm-svn: 42787
 2007-10-09 15:45:13 +00:00
Dan Gohman
cc317de0f5 Fix grammar in a comment. 
llvm-svn: 42786
 2007-10-09 15:44:37 +00:00
Dan Gohman
9546d48e97 This is done. 
llvm-svn: 42785
 2007-10-09 15:42:21 +00:00
Dan Gohman
708e76e663 These two tests now require only two multiply instructions, 
instead of four.

llvm-svn: 42784
 2007-10-09 15:39:37 +00:00
Evan Cheng
c00dbfc5bc Under 64-bit mode use LEA64_32r instead of LEA64r to save a byte. 
llvm-svn: 42783
 2007-10-09 07:14:53 +00:00
Chris Lattner
8ee06ab2ab Fix problems where DenseMap used operator!= instead of correctly 
calling the traits implementation of isEqual.

llvm-svn: 42782
 2007-10-09 05:42:12 +00:00
Chris Lattner
19cb9fa4cc Change a #include into a forward declaration 
llvm-svn: 42781
 2007-10-09 03:40:30 +00:00
Bruno Cardoso Lopes
257d5a5127 Position Independent Code (PIC) support [3] 
llvm-svn: 42780
 2007-10-09 03:15:11 +00:00
Bruno Cardoso Lopes
627ba10946 Position Independent Code (PIC) support [2] 
- Added a function to hold the stack location 
  where GP must be stored during LowerCALL
- AsmPrinter now emits directives based on
  relocation type
- PIC_ set to default relocation type (same as GCC)

llvm-svn: 42779
 2007-10-09 03:01:19 +00:00
Bruno Cardoso Lopes
3a48664e98 Position Independent Code (PIC) support [1] 
- Modified instruction format to handle pseudo instructions
- Added LoadAddr SDNode to load symbols.

llvm-svn: 42778
 2007-10-09 02:55:31 +00:00
Evan Cheng
25b65542d9 Update test. 
llvm-svn: 42775
 2007-10-08 22:20:32 +00:00
Evan Cheng
90aa032f98 Bug fix. X86 was emitting redundant setcc and test instructions before a conditional move. 
llvm-svn: 42774
 2007-10-08 22:16:29 +00:00
Dan Gohman
f8c79a885f Call getFunctionNumber() instead of referencing FunctionNumber directly, 
for consistency.

llvm-svn: 42769
 2007-10-08 21:27:12 +00:00
Dan Gohman
a2ec0a3c2c Mark the prefetch intrinsic as IntrWriteArgMem, instead of the 
default of IntrWriteMem, to at least indicate that it doesn't
"capture" the argument pointer.

llvm-svn: 42768
 2007-10-08 21:15:07 +00:00
Dan Gohman
9da3bddf43 These two tests now require only three multiply instructions, 
instead of four.

llvm-svn: 42765
 2007-10-08 20:48:12 +00:00
Chris Lattner
a0dc0388eb Various improvements to the documentation, contributed by 
Joshua Haberman!

llvm-svn: 42763
 2007-10-08 18:42:45 +00:00
Dan Gohman
6df332f0cb 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.

llvm-svn: 42762
 2007-10-08 18:33:35 +00:00
Evan Cheng
090bfbebd1 Allow x86 compare to be commutable by default. 
llvm-svn: 42761
 2007-10-08 18:27:46 +00:00
Gordon Henriksen
84b068154b C and Objective Caml bindings for PHINode::addIncoming etc. 
llvm-svn: 42760
 2007-10-08 18:14:39 +00:00
Dan Gohman
6f2a2b45fa 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.

llvm-svn: 42759
 2007-10-08 17:57:15 +00:00
Evan Cheng
9eb57bc1d0 LLVM does not use the old style simple isel any more. 
llvm-svn: 42758
 2007-10-08 17:54:24 +00:00
Evan Cheng
1a6e294c27 Remove debugging printf to get build going on x86-64. 
llvm-svn: 42757
 2007-10-08 17:49:43 +00:00
Dan Gohman
ae3b47b06f When we start enabling SMUL_LOHI/UMUL_LOHI or SDIVREM/UDIVREM in 
target-indepenent lowering, don't use them on PowerPC.

llvm-svn: 42755
 2007-10-08 17:28:24 +00:00
Dan Gohman
9ee1c4eee7 Add convenience overloads of SelectionDAG::getNode that take a SDVTList 
and individual SDOperand operands.

llvm-svn: 42753
 2007-10-08 15:49:58 +00:00
Dan Gohman
2e8245a376 Move the space in overview output for commands out of each of the 
commands and into the common code.

llvm-svn: 42752
 2007-10-08 15:45:12 +00:00
Dan Gohman
d7c8b98426 Simplify getIntPtrType, allowing it to work for arbitrary pointer sizes. 
llvm-svn: 42751
 2007-10-08 15:16:25 +00:00
Dan Gohman
d5c936914c Use correct parentheses with the '&& "..."' idiom in an assert. 
llvm-svn: 42750
 2007-10-08 15:13:30 +00:00
Dan Gohman
58512cb6e2 In -debug mode, dump SelectionDAGs both before and after the 
optimization passes.

llvm-svn: 42749
 2007-10-08 15:12:17 +00:00
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