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Author SHA1 Message Date
Chris Lattner
051f089b21 remove the in progress marker. 
llvm-svn: 46925
 2008-02-10 08:19:35 +00:00
Chris Lattner
5afdb9598d validation fixes 
llvm-svn: 46924
 2008-02-10 08:18:42 +00:00
Chris Lattner
1eefe978e3 final set of major updates 
llvm-svn: 46923
 2008-02-10 08:17:19 +00:00
Bill Wendling
20621788d4 Return "(c1 + c2)" instead of yet another ADD node (which made this a 
no-op).

llvm-svn: 46922
 2008-02-10 08:10:24 +00:00
Chris Lattner
81b4bcbd89 more prose, some organization improvements. 
llvm-svn: 46921
 2008-02-10 07:46:44 +00:00
Chris Lattner
f11f7981bc random notes 
llvm-svn: 46920
 2008-02-10 07:04:35 +00:00
Chris Lattner
bc59a2704b add anote 
llvm-svn: 46918
 2008-02-10 01:01:35 +00:00
Nick Lewycky
b072c0b3ed Match GCC's behaviour for these sections. 
llvm-svn: 46916
 2008-02-10 00:03:54 +00:00
Nate Begeman
2627ffd14b memopv16i8 had wrong alignment requirement, would have broken pabsb 
pabs{b,w,d} are not two address
fix extract-to-mem sse4 ops
add sse4 vector sign extend nodes

llvm-svn: 46915
 2008-02-09 23:46:37 +00:00
Chris Lattner
c58cabb0bd add some more notes, still not ready for review :) 
llvm-svn: 46914
 2008-02-09 22:58:07 +00:00
Chris Lattner
b9f862e239 scoped_ptr.h was removed. 
llvm-svn: 46913
 2008-02-09 22:50:06 +00:00
Gabor Greif
3453f29f65 explain that NumElements in alloca and malloc defaults to one 
llvm-svn: 46912
 2008-02-09 22:24:34 +00:00
Dale Johannesen
304406f01c Alignment of struct containing vectors depends on 
whether SSE is present, on Darwin anyway.  Make it
explicit.

llvm-svn: 46909
 2008-02-09 19:04:25 +00:00
Wojciech Matyjewicz
8095000596 We should check that existing cast operation has the appropriate opcode before we reuse it. 
llvm-svn: 46908
 2008-02-09 18:30:13 +00:00
Wojciech Matyjewicz
2e45476439 Add a check if the initial value of the induction variable is 0 (the method comment says it should be). 
llvm-svn: 46907
 2008-02-09 18:06:58 +00:00
Evan Cheng
869b54e60c Remove unused hidden option. 
llvm-svn: 46903
 2008-02-09 08:36:28 +00:00
Nate Begeman
a78c35a368 Skeleton of insert and extract matching, more to come 
llvm-svn: 46902
 2008-02-09 01:38:08 +00:00
Nate Begeman
336fba2146 Tablegen support for insert & extract element matching 
llvm-svn: 46901
 2008-02-09 01:37:05 +00:00
Chris Lattner
22696c10f0 check that terminators only occur at the end of a block. This catches the 
common problem of putting two terminators in the same block.  I can't write
a testcase for this because the .ll parser rejects this before the verifier
can, but this can occur when generating IR.

llvm-svn: 46900
 2008-02-09 01:06:01 +00:00
Dan Gohman
672d341167 Change ConstantSDNode to store an APInt instead of a uint64_t, and 
begin adding some methods to use it this way.

llvm-svn: 46899
 2008-02-08 22:59:30 +00:00
Devang Patel
9aba178666 Fix PR 1995. 
llvm-svn: 46898
 2008-02-08 22:49:13 +00:00
Evan Cheng
83066786b0 Forgot these files. 
llvm-svn: 46896
 2008-02-08 22:05:27 +00:00
Evan Cheng
2d3d000878 Also print alignment. 
llvm-svn: 46895
 2008-02-08 22:05:07 +00:00
Dan Gohman
3d296e049c Add an isSignedIntN, like isIntN but for signed integer values instead of 
unsigned.

llvm-svn: 46894
 2008-02-08 21:58:15 +00:00
Evan Cheng
90f03a0b88 It's not always safe to fold movsd into xorpd, etc. Check the alignment of the load address first to make sure it's 16 byte aligned. 
llvm-svn: 46893
 2008-02-08 21:20:40 +00:00
Dale Johannesen
9bbfeaea4d 64-bit (MMX) vectors do not need restrictive alignment. 
128-bit vectors need it only when SSE is on.

llvm-svn: 46890
 2008-02-08 19:48:20 +00:00
Ted Kremenek
557bbab669 Constified operator<< in APSInt. 
llvm-svn: 46882
 2008-02-08 07:14:19 +00:00
Dan Gohman
d1cc100aef Avoid needlessly casting away const qualifiers. 
llvm-svn: 46877
 2008-02-08 03:29:40 +00:00
Dan Gohman
1f255f2db7 Avoid needlessly casting away const qualifiers. 
llvm-svn: 46876
 2008-02-08 03:26:46 +00:00
Evan Cheng
b2bc19ee5b Added missing entries in X86 load / store folding tables. 
llvm-svn: 46866
 2008-02-08 00:12:56 +00:00
Devang Patel
1e5c60dee9 Begin setting features for target based on target triple string. 
llvm-svn: 46863
 2008-02-07 22:32:50 +00:00
Evan Cheng
0c6aedd740 Remove remnant of load folding in local register allocator. Patch by Holger Schurig. 
llvm-svn: 46861
 2008-02-07 19:46:55 +00:00
Dan Gohman
eb7c8e4f6b Follow Chris' suggestion; change the PseudoSourceValue accessors 
to return pointers instead of references, since this is always what
is needed.

llvm-svn: 46857
 2008-02-07 18:41:25 +00:00
Dan Gohman
3af6eba3dd Add SourceValue information for outgoing argument stores on x86. 
llvm-svn: 46854
 2008-02-07 16:28:05 +00:00
Dan Gohman
ebca101f50 Don't abort if a MemOperand is missing a SourceValue; just print it 
as <unknown>. And make some minor adjustments to the MemOperand
dump format.

llvm-svn: 46853
 2008-02-07 16:18:00 +00:00
Evan Cheng
a377b2bbd1 Fix a x86-64 codegen deficiency. Allow gv + offset when using rip addressing mode. 
Before:
_main:
        subq    $8, %rsp
        leaq    _X(%rip), %rax
        movsd   8(%rax), %xmm1
        movss   _X(%rip), %xmm0
        call    _t
        xorl    %ecx, %ecx
        movl    %ecx, %eax
        addq    $8, %rsp
        ret
Now:
_main:
        subq    $8, %rsp
        movsd   _X+8(%rip), %xmm1
        movss   _X(%rip), %xmm0
        call    _t
        xorl    %ecx, %ecx
        movl    %ecx, %eax
        addq    $8, %rsp
        ret

Notice there is another idiotic codegen issue that needs to be fixed asap:
xorl    %ecx, %ecx
movl    %ecx, %eax

llvm-svn: 46850
 2008-02-07 08:53:49 +00:00
Evan Cheng
92635b3d94 In some cases, e.g. ADD32ri, no transformation is made. Guide against it. 
llvm-svn: 46849
 2008-02-07 08:29:53 +00:00
Nick Lewycky
b0f0e69df2 Don't make up new directives. (".set_foobar") 
llvm-svn: 46848
 2008-02-07 06:36:26 +00:00
Dan Gohman
b4aa0b2a15 Fix a typo in a comment. 
llvm-svn: 46836
 2008-02-07 02:30:40 +00:00
Dan Gohman
011075cfdb Add support to FoldingSet for hashing APInt objects. 
llvm-svn: 46833
 2008-02-06 23:09:15 +00:00
Dan Gohman
f00842e086 Re-apply the memory operand changes, with a fix for the static 
initializer problem, a minor tweak to the way the
DAGISelEmitter finds load/store nodes, and a renaming of the
new PseudoSourceValue objects.

llvm-svn: 46827
 2008-02-06 22:27:42 +00:00
Evan Cheng
6b03a1aeb9 It's PR1925, not PR1609. 
llvm-svn: 46825
 2008-02-06 22:07:17 +00:00
Bill Wendling
8a28ab4b1f Temporarily reverting: 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20080128/057882.html

This is causing a miscompilation on PPC G5 and just now seeing it on iMac x86-64.

llvm-svn: 46822
 2008-02-06 20:03:07 +00:00
Evan Cheng
2091d9a2e8 Fix a number of local register allocator issues: PR1609. 
llvm-svn: 46821
 2008-02-06 19:16:53 +00:00
Chris Lattner
ad6348aeb7 some more notes. 
llvm-svn: 46818
 2008-02-06 18:32:06 +00:00
Chris Lattner
c46fd5395e make it clear :) 
llvm-svn: 46817
 2008-02-06 18:00:48 +00:00
Chris Lattner
5f73d71055 add a bunch of random notes and fix some issues noticed by Gabor. 
This is not ready for review or hacking, this is a work in progress :)

llvm-svn: 46816
 2008-02-06 18:00:06 +00:00
Evan Cheng
34815d69b2 RegAllocaLocal still *requires* LiveVariables since it runs PHIElimination, followed by TwoAddress which requires LiveVariables. We cannot run LiveVariables on non-SSA code. 
llvm-svn: 46813
 2008-02-06 08:00:32 +00:00
Chris Lattner
935f54c94c a starter shell for 2.2 release notes 
llvm-svn: 46810
 2008-02-06 06:30:34 +00:00
Tanya Lattner
1234229bc7 Throttle the non-local dependence analysis for basic blocks with more than 50 predecessors. Added command line option to play with this threshold. 
llvm-svn: 46790
 2008-02-06 00:54:55 +00:00