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3822ff5c71
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15858 Commits

Author SHA1 Message Date
Reid Spencer
3822ff5c71 For PR950: 
This patch converts the old SHR instruction into two instructions,
AShr (Arithmetic) and LShr (Logical). The Shr instructions now are not
dependent on the sign of their operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31542 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 06:47:33 +00:00
Chris Lattner
f49c1766e5 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31539 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 05:58:47 +00:00
Chris Lattner
39033699d2 Fix a bug noticed by Emil Mikulic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31538 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 05:58:11 +00:00
Evan Cheng
6c1491dd06 Fix a obscure post-indexed load / store dag combine bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31537 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 02:38:55 +00:00
Chris Lattner
fc5b1ab949 Refactor all the addressing mode selection stuff into the isel lowering 
class, where it can be used for preinc formation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31536 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 02:15:41 +00:00
Chris Lattner
302bf9c973 correct the (currently unused) pattern for lwzu. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31535 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 02:13:12 +00:00
Devang Patel
2c5d1851bb Beautify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31533 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 01:31:28 +00:00
Chris Lattner
5d056952ba optimize single MBB loops better. In particular, produce: 
LBB1_57:        #bb207.i
        movl 72(%esp), %ecx
        movb (%ecx,%eax), %cl
        movl 80(%esp), %edx
        movb %cl, 1(%edx,%eax)
        incl %eax
        cmpl $143, %eax
        jne LBB1_57     #bb207.i
        jmp LBB1_64     #cond_next255.i

intead of:

LBB1_57:        #bb207.i
        movl 72(%esp), %ecx
        movb (%ecx,%eax), %cl
        movl 80(%esp), %edx
        movb %cl, 1(%edx,%eax)
        incl %eax
        cmpl $143, %eax
        je LBB1_64      #cond_next255.i
        jmp LBB1_57     #bb207.i

This eliminates a branch per iteration of the loop.  This hurted PPC
particularly, because the extra branch meant another dispatch group for each
iteration of the loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31530 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 01:03:21 +00:00
Devang Patel
53596b6ba5 Update new pass managers to use PassManagerAnalysisHelper API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31526 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 22:56:50 +00:00
Chris Lattner
d92515034f scalarrepl should not split the two elements of the vsiidx array: 
int func(vFloat v0, vFloat v1) {
        int ii;
        vSInt32 vsiidx[2];
        vsiidx[0] = _mm_cvttps_epi32(v0);
        vsiidx[1] = _mm_cvttps_epi32(v1);
        ii = ((int *) vsiidx)[4];
        return ii;
}

This fixes Transforms/ScalarRepl/2006-11-07-InvalidArrayPromote.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31524 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 22:42:47 +00:00
Devang Patel
889739c4d1 Introduce PassManagerAnalysisHelper. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31522 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 22:35:17 +00:00
Devang Patel
b30803bc17 Add PassManager_New. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31521 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 22:23:34 +00:00
Evan Cheng
6e56e2c602 Fixed a bug which causes x86 be to incorrectly match 
shuffle v, undef, <2, ?, 3, ?>
to movhlps
It should match to unpckhps instead.

Added proper matching code for
shuffle v, undef, <2, 3, 2, 3>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31519 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 22:14:24 +00:00
Devang Patel
92c45eebf7 Add ModulePassManager_New. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31517 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 22:03:15 +00:00
Jim Laskey
4d0c1a04bc Accidently reran commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31516 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 21:58:55 +00:00
Devang Patel
448d27cd79 Add FunctionPassManager_New. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31515 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 21:49:50 +00:00
Jim Laskey
5e213ea697 Missed a label map, reverting till covered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31514 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 21:37:31 +00:00
Devang Patel
55fd43f909 Add BasicBlockPassManager_New. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31513 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 21:31:57 +00:00
Jim Laskey
fffcd69709 Missed a label map, reverting till covered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31512 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 20:53:05 +00:00
Andrew Lenharth
1bce1fb054 Optionally allow comparison operations from affect DSGraphs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31511 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 20:39:05 +00:00
Andrew Lenharth
df983de743 Allow loop detection during debug in forwarding nodes, and revert auxcall patch as it make 176.gcc untenable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31510 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 20:36:02 +00:00
Andrew Lenharth
eb01e395e7 debug type for DSA TD 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31509 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 20:35:11 +00:00
Jim Laskey
9d4209fb82 1. Add a pass to fold debug label instructions so a debug info client can detect 
empty ranges.

2. Reorg how MachineDebugInfo maintains changes to debug labels.

3. Have dwarf writer use debug label info to simplify scopes and source line
coorespondence.

4. Revert the merging of compile units until I can get the bugs ironed out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31507 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 19:33:46 +00:00
Chris Lattner
6e11295b23 add a note from viterbi 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31506 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 18:30:21 +00:00
Chris Lattner
393ebae0ef Enable improved spilling costs by default. This speeds up viterbi on x86 
by 40%, FreeBench/fourinarow by 20%, and many other programs 10-25%.

On PPC, this speeds up fourinarow by 18%, and probably other things as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31504 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 18:04:58 +00:00
Jim Laskey
7902c75331 Use correct value for float HUGH_VAL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31500 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 12:25:45 +00:00
Evan Cheng
bbd6f6ec1a Add post-indexed load / store transformations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31498 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 09:03:05 +00:00
Chris Lattner
b75a663707 Add a new llcbeta option. This speeds up viterbi from 12.34 to 8.76s on 
X86.  If happy, I'll enable this by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31493 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 07:18:40 +00:00
Reid Spencer
5a4951e936 Unbreak X86/ELF Debugging. Somehow this line got lost in Jim's cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31492 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 06:36:36 +00:00
Chris Lattner
fa9aa2b424 Fix PR988 and CodeGen/Generic/2006-11-06-MemIntrinsicExpand.ll. 
The low part goes in the first operand of expandop, not the second one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31487 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 04:11:44 +00:00
Chris Lattner
0921365b88 fix encoding of BLR 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31485 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 01:51:50 +00:00
Evan Cheng
d5ad440f43 Remove dead code; added a missing null ptr check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31478 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-06 21:33:46 +00:00
Chris Lattner
8c97c07040 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31477 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-06 21:26:49 +00:00
Jim Laskey
f910a3ff0f Tab interferes with uniqueness. 
NOTE: There doesn't seem to be consistency for whether a leading tab
is present in a section heading.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31475 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-06 16:23:59 +00:00
Jim Laskey
84ca10f47b D'oh - reversed logic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31474 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-06 13:20:29 +00:00
Evan Cheng
3ef554d2b1 Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31473 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-06 08:14:30 +00:00
Jeff Cohen
d41b30def3 Unbreak VC++ build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31464 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-05 19:31:28 +00:00
Reid Spencer
bcf81242df Fix a bug in the last patch and convert to && instead of & for logical expr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31463 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-05 19:26:37 +00:00
Reid Spencer
7c475c5d12 Implement the -enabled-cbe-printf-a feature. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31462 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-05 17:09:41 +00:00
Nick Lewycky
8b2989ae91 Remove commented line from earlier debugging. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31460 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-05 14:19:40 +00:00
Evan Cheng
33dbedcdcb Added pre-indexed store support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31459 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-05 09:31:14 +00:00
Evan Cheng
9109fb1eb7 Added getIndexedStore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31458 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-05 09:30:09 +00:00
Jim Laskey
5cd496e727 Live local variables are being dropped because the begin or end labels marking 
their scope are being deleted.  Workaround is to widen scope to full function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31454 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-04 10:48:07 +00:00
Evan Cheng
95f6edeff5 Changes to use operand constraints to process two-address instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31453 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-04 09:44:31 +00:00
Chris Lattner
6fc40079f3 encode BLR predicate info for the JIT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31450 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-04 05:42:48 +00:00
Chris Lattner
af53a87052 Go through all kinds of trouble to mark 'blr' as having a predicate operand 
that takes a register and condition code.  Print these pieces of BLR the
right way, even though it is currently set to 'always'.

Next up: get the JIT encoding right, then enhance branch folding to produce
predicated blr for simple examples.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31449 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-04 05:27:39 +00:00
Evan Cheng
e077ef6e85 Fixed some spiller bugs exposed by the recent two-address code changes. Now 
there may be other def(s) apart from the use&def two-address operand. We need
to check if the register reuse for a use&def operand may conflicts with another
def. Provide a mean to recover from the conflict if it is detected when the
defs are processed later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31439 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-04 00:21:55 +00:00
Chris Lattner
0638b260dc Describe PPC predicates, which are a pair of CR# and condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31438 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 23:53:25 +00:00
Chris Lattner
60a09a5d6d initial steps to getting the predicate on PPC::BLR right. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31437 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 23:52:18 +00:00
Chris Lattner
e69c436e6f remove dead var 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31436 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 23:50:15 +00:00