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Misha Brukman [Fri, 22 Apr 2005 03:27:20 +0000 (03:27 +0000)]
Convert tabs to spaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21436
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Misha Brukman [Fri, 22 Apr 2005 03:18:56 +0000 (03:18 +0000)]
Convert tabs to spaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21433
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Reid Spencer [Fri, 22 Apr 2005 02:49:25 +0000 (02:49 +0000)]
Add the RUN: prefix to the start of the run line so this test doesn't fail.
BTW .. isn't the date on this funky? We haven't reachec 2005-05-09 yet???
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21432
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Reid Spencer [Fri, 22 Apr 2005 02:31:56 +0000 (02:31 +0000)]
Change some old-style casts to C++ style casts to avoid warnings in XPS
compilation. This change has been waiting in the wings for a long time but
since Misha just did a global change, I figured now was the time to commit
it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21431
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Reid Spencer [Fri, 22 Apr 2005 02:16:19 +0000 (02:16 +0000)]
There is no =head3. Convert to =head2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21430
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Reid Spencer [Fri, 22 Apr 2005 02:12:41 +0000 (02:12 +0000)]
Correct the documentation to match the program.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21429
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Misha Brukman [Fri, 22 Apr 2005 00:00:37 +0000 (00:00 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21428
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Misha Brukman [Thu, 21 Apr 2005 23:48:37 +0000 (23:48 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21427
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Misha Brukman [Thu, 21 Apr 2005 23:38:14 +0000 (23:38 +0000)]
* Remove trailing whitespace
* Convert tabs to spaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21426
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Misha Brukman [Thu, 21 Apr 2005 23:30:14 +0000 (23:30 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21425
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Misha Brukman [Thu, 21 Apr 2005 23:13:11 +0000 (23:13 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21424
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Misha Brukman [Thu, 21 Apr 2005 22:55:34 +0000 (22:55 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21422
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Misha Brukman [Thu, 21 Apr 2005 22:43:08 +0000 (22:43 +0000)]
* Remove trailing whitespace
* Convert tabs to spaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21421
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Misha Brukman [Thu, 21 Apr 2005 22:36:52 +0000 (22:36 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21420
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Misha Brukman [Thu, 21 Apr 2005 21:48:46 +0000 (21:48 +0000)]
* Remove trailing whitespace
* Convert tabs to spaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21418
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Misha Brukman [Thu, 21 Apr 2005 21:44:41 +0000 (21:44 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21417
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Misha Brukman [Thu, 21 Apr 2005 21:13:18 +0000 (21:13 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21416
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Misha Brukman [Thu, 21 Apr 2005 21:10:11 +0000 (21:10 +0000)]
* Remove trailing whitespace
* Convert tabs to spaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21415
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Chris Lattner [Thu, 21 Apr 2005 21:10:07 +0000 (21:10 +0000)]
Check for eqv matching
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21414
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Chris Lattner [Thu, 21 Apr 2005 21:09:11 +0000 (21:09 +0000)]
Match another form of eqv
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21413
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Misha Brukman [Thu, 21 Apr 2005 20:59:05 +0000 (20:59 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21412
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Misha Brukman [Thu, 21 Apr 2005 20:48:15 +0000 (20:48 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21411
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Chris Lattner [Thu, 21 Apr 2005 20:48:08 +0000 (20:48 +0000)]
this passes on darwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21410
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Misha Brukman [Thu, 21 Apr 2005 20:39:54 +0000 (20:39 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21409
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Misha Brukman [Thu, 21 Apr 2005 20:19:05 +0000 (20:19 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21408
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Chris Lattner [Thu, 21 Apr 2005 19:11:03 +0000 (19:11 +0000)]
Handle stores of global address as stores of immediates. Instead of:
test1:
movl $N, %eax
movl %eax, G
ret
emit:
test1:
movl $N, G
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21407
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Chris Lattner [Thu, 21 Apr 2005 19:03:24 +0000 (19:03 +0000)]
Handle (store &GV -> mem) as a store immediate. This often occurs for
printf format strings and other stuff. Instead of generating this:
movl $l1__2E_str_1, %eax
movl %eax, (%esp)
we now emit:
movl $l1__2E_str_1, (%esp)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21406
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Reid Spencer [Thu, 21 Apr 2005 17:49:57 +0000 (17:49 +0000)]
Use the actual uid/gid for defaulting the fields in the archive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21405
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Chris Lattner [Thu, 21 Apr 2005 16:46:46 +0000 (16:46 +0000)]
Fix a bug where we would not promote calls to invokes if they occured in
the same block as the setjmp. Thanks to Greg Pettyjohn for noticing this!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21403
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Reid Spencer [Thu, 21 Apr 2005 16:15:19 +0000 (16:15 +0000)]
Eliminate calls to system dependent function getuid by using
the newly implemented sys::Process::GetCurrentUserId function. Replace
similarly for getgid.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21402
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Reid Spencer [Thu, 21 Apr 2005 16:12:57 +0000 (16:12 +0000)]
Provide an implementation of the GetCurrentUserId and GetCurrentGroupId
methods that were recently added to the interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21401
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Reid Spencer [Thu, 21 Apr 2005 16:12:04 +0000 (16:12 +0000)]
Add two new methods for getting the User Id and Group Id values for the
current process.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21400
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Chris Lattner [Thu, 21 Apr 2005 16:10:03 +0000 (16:10 +0000)]
Add doxygen comments, patch contributed by Evan Jones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21397
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Chris Lattner [Thu, 21 Apr 2005 16:09:43 +0000 (16:09 +0000)]
add support for taking and resolving the address of free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21396
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Chris Lattner [Thu, 21 Apr 2005 16:08:59 +0000 (16:08 +0000)]
add support for taking the address of free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21395
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Chris Lattner [Thu, 21 Apr 2005 16:06:03 +0000 (16:06 +0000)]
Improve doxygen, from part of Evan's patch that didn't apply.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21394
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Chris Lattner [Thu, 21 Apr 2005 16:04:49 +0000 (16:04 +0000)]
Improve doxygen documentation, patch contributed by Evan Jones!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21393
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Chris Lattner [Thu, 21 Apr 2005 06:28:15 +0000 (06:28 +0000)]
Improve and elimination. On PPC, for:
bool %test(int %X) {
%Y = and int %X, 8
%Z = setne int %Y, 0
ret bool %Z
}
we now generate this:
rlwinm r2, r3, 0, 28, 28
srwi r3, r2, 3
instead of this:
rlwinm r2, r3, 0, 28, 28
srwi r2, r2, 3
rlwinm r3, r2, 0, 31, 31
I'll leave it to Nate to get it down to one instruction. :)
---------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21391
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Chris Lattner [Thu, 21 Apr 2005 06:12:41 +0000 (06:12 +0000)]
Fold (x & 8) != 0 and (x & 8) == 8 into (x & 8) >> 3.
This turns this PPC code:
rlwinm r2, r3, 0, 28, 28
cmpwi cr7, r2, 8
mfcr r2
rlwinm r3, r2, 31, 31, 31
into this:
rlwinm r2, r3, 0, 28, 28
srwi r2, r2, 3
rlwinm r3, r2, 0, 31, 31
Next up, nuking the extra and.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21390
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Chris Lattner [Thu, 21 Apr 2005 05:43:13 +0000 (05:43 +0000)]
Instcombine this:
%shortcirc_val = select bool %tmp.1, bool true, bool %tmp.4 ; <bool> [#uses=1]
%tmp.6 = cast bool %shortcirc_val to int ; <int> [#uses=1]
into this:
%shortcirc_val = or bool %tmp.1, %tmp.4 ; <bool> [#uses=1]
%tmp.6 = cast bool %shortcirc_val to int ; <int> [#uses=1]
not this:
%tmp.4.cast = cast bool %tmp.4 to int ; <int> [#uses=1]
%tmp.6 = select bool %tmp.1, int 1, int %tmp.4.cast ; <int> [#uses=1]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21389
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Chris Lattner [Thu, 21 Apr 2005 05:31:13 +0000 (05:31 +0000)]
Teach simplifycfg that setcc is cheap and non-trapping, so that it can
convert this:
%tmp.1 = seteq int %i, 0 ; <bool> [#uses=1]
br bool %tmp.1, label %shortcirc_done, label %shortcirc_next
shortcirc_next: ; preds = %entry
%tmp.4 = seteq int %j, 0 ; <bool> [#uses=1]
br label %shortcirc_done
shortcirc_done: ; preds = %shortcirc_next, %entry
%shortcirc_val = phi bool [ %tmp.4, %shortcirc_next ], [ true, %entry ] ; <bool> [#uses=1]
to this:
%tmp.1 = seteq int %i, 0 ; <bool> [#uses=1]
%tmp.4 = seteq int %j, 0 ; <bool> [#uses=1]
%shortcirc_val = select bool %tmp.1, bool true, bool %tmp.4 ; <bool> [#uses=1]
... which is later simplified by instcombine into an or.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21388
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Chris Lattner [Thu, 21 Apr 2005 04:53:58 +0000 (04:53 +0000)]
Fix some broken links, taking care of PR554
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21387
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Chris Lattner [Thu, 21 Apr 2005 04:52:37 +0000 (04:52 +0000)]
update to match build changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21386
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Reid Spencer [Thu, 21 Apr 2005 02:50:10 +0000 (02:50 +0000)]
For Bug 543:
Standardize the error messages to be in "path: what failed: why" format.
Also attempt to use the correct errno to ThrowErrno in situations where
the errno value is erased by subsequent system calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21385
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Reid Spencer [Thu, 21 Apr 2005 02:30:32 +0000 (02:30 +0000)]
For Bug 543:
Allow the ThrowErrno function to optionally accept an error number
parameter so that callers can specify the error number to be used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21384
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Misha Brukman [Wed, 20 Apr 2005 16:42:34 +0000 (16:42 +0000)]
Remove trailing whitespace at the end of lines
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21380
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Misha Brukman [Wed, 20 Apr 2005 16:05:03 +0000 (16:05 +0000)]
Remove trailing whitespace, patch by Markus Oberhumer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21379
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Misha Brukman [Wed, 20 Apr 2005 15:42:11 +0000 (15:42 +0000)]
Add FIXME by Markus Oberhumer from bug 545: not checking for "." in $PATH may
result in returning executable files that won't be runnable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21378
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Misha Brukman [Wed, 20 Apr 2005 15:33:22 +0000 (15:33 +0000)]
Do not mark directories as `executable', we only want program files
Patch by Markus Oberhumer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21377
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Misha Brukman [Wed, 20 Apr 2005 04:51:29 +0000 (04:51 +0000)]
#include system headers after all LLVM headers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21374
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Misha Brukman [Wed, 20 Apr 2005 04:08:35 +0000 (04:08 +0000)]
Eliminate trailing spaces at end-of-line
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21372
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Misha Brukman [Wed, 20 Apr 2005 04:07:47 +0000 (04:07 +0000)]
Consistently eschew space between `*' or `&' and function argument name
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21371
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Misha Brukman [Wed, 20 Apr 2005 04:04:07 +0000 (04:04 +0000)]
Ignore dangling symlinks in getDirectoryContents()
Thanks to Markus Oberhumer for the patch!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21370
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Misha Brukman [Wed, 20 Apr 2005 03:55:35 +0000 (03:55 +0000)]
Initialize fields mode, uid, and gid.
Patch by Markus Oberhumer. Thanks!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21369
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Misha Brukman [Wed, 20 Apr 2005 03:52:59 +0000 (03:52 +0000)]
Align comments together for consistency
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21368
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Misha Brukman [Wed, 20 Apr 2005 03:22:18 +0000 (03:22 +0000)]
* Print commands as we execute them with `-v'
* Add option `-save-temps'
Patch contributed by Markus Oberhumer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21367
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Chris Lattner [Tue, 19 Apr 2005 19:16:19 +0000 (19:16 +0000)]
Wrap some long lines.
Make IPSCCP strip off dead constant exprs that are using functions, making
them appear as though their address is taken. This allows us to propagate
some more pool descriptors, lowering the overhead of pool alloc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21363
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Chris Lattner [Tue, 19 Apr 2005 15:34:36 +0000 (15:34 +0000)]
ignore generated files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21362
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Chris Lattner [Tue, 19 Apr 2005 15:32:30 +0000 (15:32 +0000)]
fix bogus warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21361
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Chris Lattner [Tue, 19 Apr 2005 15:27:29 +0000 (15:27 +0000)]
fix PR549
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21360
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Chris Lattner [Tue, 19 Apr 2005 06:08:04 +0000 (06:08 +0000)]
Bug fixed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21355
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Chris Lattner [Tue, 19 Apr 2005 06:04:18 +0000 (06:04 +0000)]
Eliminate a broken transformation, fixing PR548
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21354
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Chris Lattner [Tue, 19 Apr 2005 05:41:52 +0000 (05:41 +0000)]
Add completely untested support for mtcrf/mfcrf encoding
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21353
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Chris Lattner [Tue, 19 Apr 2005 05:21:30 +0000 (05:21 +0000)]
switch over the rest of the formats that use RC to use isDOT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21352
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Chris Lattner [Tue, 19 Apr 2005 05:15:18 +0000 (05:15 +0000)]
Convert the XForm instrs and XSForm instruction over to use isDOT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21351
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Chris Lattner [Tue, 19 Apr 2005 05:05:22 +0000 (05:05 +0000)]
Now that the ppc64 and vmx operands of I are always 0, forward substitute
them away.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21350
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Chris Lattner [Tue, 19 Apr 2005 05:00:59 +0000 (05:00 +0000)]
convert over bform and iform instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21349
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Chris Lattner [Tue, 19 Apr 2005 04:59:28 +0000 (04:59 +0000)]
Convert over DForm and DSForm instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21348
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Chris Lattner [Tue, 19 Apr 2005 04:51:30 +0000 (04:51 +0000)]
Convert XLForm and XForm instructions over to use PPC64 when appropriate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21347
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Chris Lattner [Tue, 19 Apr 2005 04:40:07 +0000 (04:40 +0000)]
Convert XO XS and XFX forms to use isPPC64
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21346
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Chris Lattner [Tue, 19 Apr 2005 04:32:54 +0000 (04:32 +0000)]
Turn PPC64 and VMX into classes that can be added to instructions instead of
bits that must be passed up the inheritance hierarchy. Convert MForm and AForm
instructions over
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21345
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Chris Lattner [Tue, 19 Apr 2005 03:36:21 +0000 (03:36 +0000)]
Major change to tblgen: instead of resolving values every time a class is
finished up, only resolve fully when the def is defined. This allows things
to be changed and all uses to be propagated through. This implements
TableGen/LazyChange.td and fixes TemplateArgRename.td in the process.
None of the .td files used in LLVM backends are changed at all by this
patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21344
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Chris Lattner [Tue, 19 Apr 2005 03:34:58 +0000 (03:34 +0000)]
New testcase for a changing values late and allowing them to propagate
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21343
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Chris Lattner [Tue, 19 Apr 2005 02:58:57 +0000 (02:58 +0000)]
Make this significantly harder
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21342
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Chris Lattner [Tue, 19 Apr 2005 02:53:26 +0000 (02:53 +0000)]
Add a real run line
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21341
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Chris Lattner [Tue, 19 Apr 2005 02:52:04 +0000 (02:52 +0000)]
fix this testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21340
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Chris Lattner [Tue, 19 Apr 2005 02:26:23 +0000 (02:26 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21339
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Chris Lattner [Tue, 19 Apr 2005 01:37:24 +0000 (01:37 +0000)]
add a run line
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21338
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Chris Lattner [Tue, 19 Apr 2005 01:36:41 +0000 (01:36 +0000)]
Tell dj to run the tests in this directory
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21337
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Chris Lattner [Tue, 19 Apr 2005 01:17:35 +0000 (01:17 +0000)]
implementing shifting of literal integers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21336
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Chris Lattner [Tue, 19 Apr 2005 01:11:03 +0000 (01:11 +0000)]
Add initial lexer and parser support for shifting values. Every use of this
will lead to it being rejected though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21335
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Nate Begeman [Mon, 18 Apr 2005 07:48:09 +0000 (07:48 +0000)]
Next round of PPC CR optimizations. For the following code:
int %bar(float %a, float %b, float %c, float %d) {
entry:
%tmp.1 = setlt float %a, %d
%tmp.2 = setlt float %b, %d
%or = or bool %tmp.1, %tmp.2
%tmp.3 = setgt float %c, %d
%tmp.4 = or bool %or, %tmp.3
%tmp.5 = and bool %tmp.4, true
%retval = cast bool %tmp.5 to int
ret int %retval
}
We now emit:
_bar:
.LBB_bar_0: ; entry
fcmpu cr0, f1, f4
fcmpu cr1, f2, f4
cror 0, 0, 4
fcmpu cr1, f3, f4
cror 28, 0, 5
mfcr r2
rlwinm r3, r2, 29, 31, 31
blr
Instead of:
_bar:
.LBB_bar_0: ; entry
fcmpu cr7, f1, f4
mfcr r2
rlwinm r2, r2, 29, 31, 31
fcmpu cr7, f2, f4
mfcr r3
rlwinm r3, r3, 29, 31, 31
or r2, r2, r3
fcmpu cr7, f3, f4
mfcr r3
rlwinm r3, r3, 30, 31, 31
or r3, r2, r3
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21321
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Chris Lattner [Mon, 18 Apr 2005 05:26:21 +0000 (05:26 +0000)]
silence a bogus warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21320
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Chris Lattner [Mon, 18 Apr 2005 04:48:12 +0000 (04:48 +0000)]
Fold setcc of MVT::i1 operands into logical operations
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21319
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Chris Lattner [Mon, 18 Apr 2005 04:30:45 +0000 (04:30 +0000)]
Another minor simplification: handle setcc (zero_extend x), c -> setcc(x, c')
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21318
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Chris Lattner [Mon, 18 Apr 2005 04:11:19 +0000 (04:11 +0000)]
Another simple xform
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21317
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Chris Lattner [Mon, 18 Apr 2005 03:59:53 +0000 (03:59 +0000)]
Fold:
// (X != 0) | (Y != 0) -> (X|Y != 0)
// (X == 0) & (Y == 0) -> (X|Y == 0)
Compiling this:
int %bar(int %a, int %b) {
entry:
%tmp.1 = setne int %a, 0
%tmp.2 = setne int %b, 0
%tmp.3 = or bool %tmp.1, %tmp.2
%retval = cast bool %tmp.3 to int
ret int %retval
}
to this:
_bar:
or r2, r3, r4
addic r3, r2, -1
subfe r3, r3, r2
blr
instead of:
_bar:
addic r2, r3, -1
subfe r2, r2, r3
addic r3, r4, -1
subfe r3, r3, r4
or r3, r2, r3
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21316
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Chris Lattner [Mon, 18 Apr 2005 03:48:41 +0000 (03:48 +0000)]
Make the AND elimination operation recursive and significantly more powerful,
eliminating an and for Nate's testcase:
int %bar(int %a, int %b) {
entry:
%tmp.1 = setne int %a, 0
%tmp.2 = setne int %b, 0
%tmp.3 = or bool %tmp.1, %tmp.2
%retval = cast bool %tmp.3 to int
ret int %retval
}
generating:
_bar:
addic r2, r3, -1
subfe r2, r2, r3
addic r3, r4, -1
subfe r3, r3, r4
or r3, r2, r3
blr
instead of:
_bar:
addic r2, r3, -1
subfe r2, r2, r3
addic r3, r4, -1
subfe r3, r3, r4
or r2, r2, r3
rlwinm r3, r2, 0, 31, 31
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21315
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Nate Begeman [Mon, 18 Apr 2005 02:43:24 +0000 (02:43 +0000)]
Change codegen for setcc to read the bit directly out of the condition
register. Added support in the .td file for the g5-specific variant
of cr -> gpr moves that executes faster, but we currently don't
generate it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21314
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Chris Lattner [Mon, 18 Apr 2005 01:44:27 +0000 (01:44 +0000)]
Add support for targets that require stubs for external functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21313
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Chris Lattner [Mon, 18 Apr 2005 00:46:10 +0000 (00:46 +0000)]
Handle ExternalSymbol operands in the PPC JIT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21312
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Nate Begeman [Sat, 16 Apr 2005 04:25:48 +0000 (04:25 +0000)]
Update dejagnu tests to use the new pattern isel flag
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21311
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Jeff Cohen [Sat, 16 Apr 2005 02:51:44 +0000 (02:51 +0000)]
Add CondPropagate.cpp to VC++ Transforms project
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21310
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Nate Begeman [Fri, 15 Apr 2005 22:12:16 +0000 (22:12 +0000)]
Make pattern isel default for ppc
Add new ppc beta option related to using condition registers
Make pattern isel control flag (-enable-pattern-isel) global and tristate
0 == off
1 == on
2 == target default
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21309
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Chris Lattner [Fri, 15 Apr 2005 21:13:16 +0000 (21:13 +0000)]
new pass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21307
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Chris Lattner [Fri, 15 Apr 2005 19:28:32 +0000 (19:28 +0000)]
a new simple pass, which will be extended to be more useful in the future.
This pass forward branches through conditions when it can show that the
conditions is either always true or false for a predecessor. This currently
only handles the most simple cases of this, but is successful at threading
across 2489 branches and 65 switch instructions in 176.gcc, which isn't bad.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21306
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Chris Lattner [Fri, 15 Apr 2005 19:24:49 +0000 (19:24 +0000)]
add a new prototype
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21305
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Chris Lattner [Fri, 15 Apr 2005 19:24:36 +0000 (19:24 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21304
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Andrew Lenharth [Thu, 14 Apr 2005 17:34:20 +0000 (17:34 +0000)]
fix calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21303
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Andrew Lenharth [Thu, 14 Apr 2005 16:24:00 +0000 (16:24 +0000)]
a 21264 fix, and fix the operator precidence on an and -> zap check (should fix hundreds of test cases
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21302
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