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Author SHA1 Message Date
Evan Cheng
5fd79d0560 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46893 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-08 21:20:40 +00:00
Dale Johannesen
0c191872ab 64-bit (MMX) vectors do not need restrictive alignment. 
128-bit vectors need it only when SSE is on.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46890 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-08 19:48:20 +00:00
Ted Kremenek
86383e1f7c Constified operator<< in APSInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46882 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-08 07:14:19 +00:00
Dan Gohman
60783304f6 Avoid needlessly casting away const qualifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46877 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-08 03:29:40 +00:00
Dan Gohman
547ca537b6 Avoid needlessly casting away const qualifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46876 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-08 03:26:46 +00:00
Evan Cheng
33663fc104 Added missing entries in X86 load / store folding tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46866 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-08 00:12:56 +00:00
Devang Patel
5252ae6eca Begin setting features for target based on target triple string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46863 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 22:32:50 +00:00
Evan Cheng
27240c7d50 Remove remnant of load folding in local register allocator. Patch by Holger Schurig. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46861 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 19:46:55 +00:00
Dan Gohman
3069b87437 Follow Chris' suggestion; change the PseudoSourceValue accessors 
to return pointers instead of references, since this is always what
is needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46857 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 18:41:25 +00:00
Dan Gohman
4fdad172de Add SourceValue information for outgoing argument stores on x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46854 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 16:28:05 +00:00
Dan Gohman
2bfe6ff605 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46853 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 16:18:00 +00:00
Evan Cheng
be3bf42331 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46850 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 08:53:49 +00:00
Evan Cheng
15246738f2 In some cases, e.g. ADD32ri, no transformation is made. Guide against it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46849 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 08:29:53 +00:00
Nick Lewycky
33d4f7792f Don't make up new directives. (".set_foobar") 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46848 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 06:36:26 +00:00
Dan Gohman
b3f5cfc670 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46836 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-07 02:30:40 +00:00
Dan Gohman
167b8bc24d Add support to FoldingSet for hashing APInt objects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46833 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 23:09:15 +00:00
Dan Gohman
69de1932b3 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46827 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 22:27:42 +00:00
Evan Cheng
b745e88bf0 It's PR1925, not PR1609. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46825 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 22:07:17 +00:00
Bill Wendling
e00fec554b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46822 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 20:03:07 +00:00
Evan Cheng
2fc628d662 Fix a number of local register allocator issues: PR1609. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46821 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 19:16:53 +00:00
Chris Lattner
6b1a4ec7de some more notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46818 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 18:32:06 +00:00
Chris Lattner
052bae6268 make it clear :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46817 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 18:00:48 +00:00
Chris Lattner
252b83d405 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 :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46816 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 18:00:06 +00:00
Evan Cheng
22ff3eeebe RegAllocaLocal still *requires* LiveVariables since it runs PHIElimination, followed by TwoAddress which requires LiveVariables. We cannot run LiveVariables on non-SSA code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46813 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 08:00:32 +00:00
Chris Lattner
000c73bbfe a starter shell for 2.2 release notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46810 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 06:30:34 +00:00
Tanya Lattner
63aa160b27 Throttle the non-local dependence analysis for basic blocks with more than 50 predecessors. Added command line option to play with this threshold. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46790 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-06 00:54:55 +00:00
Anton Korobeynikov
5c4fb22809 Don't dereference an invalid pointer if string is empty. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46781 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 23:34:40 +00:00
Evan Cheng
a58891ff1e Fix PR1975: dag isel emitter produces patterns that isel wrong flag result. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46776 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 22:50:29 +00:00
Evan Cheng
ebaaa91094 Move to getCALLSEQ_END to ensure CALLSEQ_END node produces a flag. This is consistent with the definition in td file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46775 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 22:44:06 +00:00
Chris Lattner
2663ffe751 Make RenamePass faster by making the 'is this a new phi node' 
check more intelligent.  This speeds up mem2reg from 5.29s to 
0.79s on a synthetic testcase with tons of predecessors and
phi nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46767 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 21:26:23 +00:00
Dale Johannesen
e672af15d6 Implement sseregparm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46764 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 20:46:33 +00:00
Evan Cheng
bb4151bd1f If a vr is already marked alive in a bb, then it has PHI uses that are visited earlier, then it is not killed in the def block (i.e. not dead). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46763 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 20:04:18 +00:00
Chris Lattner
399c7c76cf regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46761 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 19:43:53 +00:00
Chris Lattner
f5c9467471 Make the check for GCC version more robust, fix shared library 
dependencies in makefile, and fix llvm_cv_no_link_all_option
on darwin.

Patch by Shantonu Sen, more info here:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2008-February/012410.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46760 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 19:43:40 +00:00
Ted Kremenek
9dc7ab538e Added FoldingSet profiling support to ImmutableSet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46757 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 18:50:25 +00:00
Ted Kremenek
95da16e288 Changed profiling method for ImmutableMap to once again just use its 
unique ImutAVLTree* for profiling.

Modified ImutAVLTree:
 (1) changed ComputeHash() to ComputeDigest() and
 (2) changed Profile() to use the computed digest and
 (3) modified insertion of IMutAVLTree into the FoldingSet owned by
     the ImutAVLTreeFactory object to use profiling instead of computing
     a direct hash.  This fixes a bug where our abuse of the FoldingSet would
     not work when the FoldingSet was resized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46753 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 17:30:43 +00:00
Nate Begeman
5a804e3e21 Ident mnemonics appropriately 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46746 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 08:49:09 +00:00
Chris Lattner
515686b130 dump the module *before* we delete it, not after. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46741 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 06:18:42 +00:00
Chris Lattner
7c95debb49 Fix a bug compiling PR1978 (perhaps not the only one though) which 
was incorrectly simplifying "x == (gep x, 1, i)" into false, even 
though i could be negative.  As it turns out, all the code to 
handle this already existed, we just need to disable the incorrect
optimization case and let the general case handle it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46739 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 04:45:32 +00:00
Owen Anderson
a8701a6c62 Fix an obscure read-after-free bug that Duncan found. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 04:34:03 +00:00
Dale Johannesen
131d5c9f4a Missed one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46733 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 01:12:10 +00:00
Evan Cheng
e4908814d2 This should also work on x86 now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46730 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 00:25:31 +00:00
Evan Cheng
06816127fd Unbreak teh build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46729 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-05 00:25:13 +00:00
Dale Johannesen
a76619337e Do not unconditionally redefine vec_ext_v16qi and 
vec_ext_v4si builtins.  This is a hack; they should
be defined here, then resolved in the X86 BE.
However there is enough other stuff missing in the
X86 BE for SSE41 that this will do for now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46727 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 23:27:29 +00:00
Evan Cheng
fc718542a3 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46725 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 23:10:38 +00:00
Evan Cheng
4e3f5a4e9c Dwarf requires variable entries to be in the source order. Right now, since we are recording variable information at isel time this means parameters would appear in the reverse order. The short term fix is to issue recordVariable() at asm printing time instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46724 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 23:06:48 +00:00
Nate Begeman
c451ac0a42 This method should be virtual 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46723 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 23:04:24 +00:00
Nate Begeman
48a65511d0 Eliminate some redundant code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46720 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 21:44:06 +00:00
Ted Kremenek
c695ea9e8d Modified 'Profile' method of ImmutableMap to use the 'Profile' method 
of the contained ImutAVLTree root.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46719 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 21:17:02 +00:00
Devang Patel
0e50128099 Do not set time out, lets assume assembler will do its job in reasonable amount of time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46718 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-04 21:16:10 +00:00