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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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Andrew Lenharth [Thu, 14 Apr 2005 16:17:49 +0000 (16:17 +0000)]
added a random and mask test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21301
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Duraid Madina [Thu, 14 Apr 2005 10:08:01 +0000 (10:08 +0000)]
print negative 64 bit immediates as negative numbers, makes things a little
easier on the eyes, not that numbers like
18446744073709541376 are bad or
anything
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21300
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Duraid Madina [Thu, 14 Apr 2005 10:06:35 +0000 (10:06 +0000)]
oops, this stopped us turning movl r4=0xFFFFFFFF;; and rX, r4 into zxt4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21299
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Nate Begeman [Thu, 14 Apr 2005 09:45:08 +0000 (09:45 +0000)]
Implement multi-way branches through logical ops on condition registers.
This can generate considerably shorter code, reducing the size of crafty
by almost 1%. Also fix the printing of mcrf. The code is currently
disabled until it gets a bit more testing, but should work as-is.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21298
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Nate Begeman [Thu, 14 Apr 2005 08:56:52 +0000 (08:56 +0000)]
Add a couple missing transforms in getSetCC that were triggering assertions
in the PPC Pattern ISel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21297
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Duraid Madina [Thu, 14 Apr 2005 08:37:32 +0000 (08:37 +0000)]
we have zextloads, not sextloads!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21296
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Nate Begeman [Thu, 14 Apr 2005 03:20:38 +0000 (03:20 +0000)]
Add the necessary support to codegen condition register logical ops with
register allocated condition registers. Make sure that the printed
output is gas compatible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21295
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Nate Begeman [Wed, 13 Apr 2005 23:15:44 +0000 (23:15 +0000)]
Start allocating condition registers. Almost all explicit uses of CR0 are
now gone. Next step is to get rid of the remaining ones and then start
allocating bools to CRs where appropriate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21294
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Nate Begeman [Wed, 13 Apr 2005 22:14:14 +0000 (22:14 +0000)]
Implement the fold shift X, zext(Y) -> shift X, Y at the target level,
where it is safe to do so.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21293
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Nate Begeman [Wed, 13 Apr 2005 21:45:13 +0000 (21:45 +0000)]
Add CodeGen tests for the recent SelectionDAG transforms
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21292
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Nate Begeman [Wed, 13 Apr 2005 21:23:31 +0000 (21:23 +0000)]
Disbale the broken fold of shift + sz[ext] for now
Move the transform for select (a < 0) ? b : 0 into the dag from ppc isel
Enable the dag to fold and (setcc, 1) -> setcc for targets where setcc
always produces zero or one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21291
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Chris Lattner [Wed, 13 Apr 2005 20:06:29 +0000 (20:06 +0000)]
fix an infinite loop
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21289
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Chris Lattner [Wed, 13 Apr 2005 19:53:40 +0000 (19:53 +0000)]
fix some serious miscompiles on ia64, alpha, and ppc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21288
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Chris Lattner [Wed, 13 Apr 2005 19:41:05 +0000 (19:41 +0000)]
avoid work when possible, perhaps fix the problem nate and andrew are seeing
with != 0 comparisons vanishing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21287
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Andrew Lenharth [Wed, 13 Apr 2005 17:17:28 +0000 (17:17 +0000)]
WOW, function calls still seem to work after this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21286
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Andrew Lenharth [Wed, 13 Apr 2005 16:19:50 +0000 (16:19 +0000)]
prepare for func call optimization
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21285
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Andrew Lenharth [Wed, 13 Apr 2005 16:16:01 +0000 (16:16 +0000)]
regression case for faster call sequence
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21284
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Andrew Lenharth [Wed, 13 Apr 2005 13:00:16 +0000 (13:00 +0000)]
check that casts still use zap
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21283
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Duraid Madina [Wed, 13 Apr 2005 06:12:04 +0000 (06:12 +0000)]
* add the shladd instruction
* fold left shifts of 1, 2, 3 or 4 bits into adds
This doesn't save much now, but should get a serious workout once
multiplies by constants get converted to shift/add/sub sequences.
Hold on! :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21282
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Andrew Lenharth [Wed, 13 Apr 2005 05:19:55 +0000 (05:19 +0000)]
add matches for SxADDL and company, as well as simplify the SxADDQ code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21281
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Chris Lattner [Wed, 13 Apr 2005 05:09:42 +0000 (05:09 +0000)]
Implement expansion of unsigned i64 -> FP.
Note that this probably only works for little endian targets, but is enough
to get siod working :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21280
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Duraid Madina [Wed, 13 Apr 2005 04:50:54 +0000 (04:50 +0000)]
* if ANDing with a constant of the form:
0x00000..00FFF..FF
^ ^
^ ^
any number of
0's followed by
some number of
1's
then we use dep.z to just paste zeros over the input. For the special
cases where this is zxt1/zxt2/zxt4, we use those instructions instead,
because we're all about readability!!!
that's what it's about!! readability!
*twitch* ;D
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21279
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Andrew Lenharth [Wed, 13 Apr 2005 04:41:06 +0000 (04:41 +0000)]
added s4addl matching test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21277
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Andrew Lenharth [Wed, 13 Apr 2005 03:47:03 +0000 (03:47 +0000)]
added all flavors of zap for anding
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21276
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Chris Lattner [Wed, 13 Apr 2005 03:42:14 +0000 (03:42 +0000)]
Make expansion of uint->fp cast assert out instead of infinitely recurse.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21275
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Chris Lattner [Wed, 13 Apr 2005 03:29:53 +0000 (03:29 +0000)]
Fix some mysteriously missing {}'s which cause the miscompilation of
Olden/mst, Ptrdist/bc, Obsequi, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21274
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Chris Lattner [Wed, 13 Apr 2005 02:58:13 +0000 (02:58 +0000)]
add back the optimization that Nate added for shl X, (zext_inreg y)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21273
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Chris Lattner [Wed, 13 Apr 2005 02:47:57 +0000 (02:47 +0000)]
Oops, remove these too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21272
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Chris Lattner [Wed, 13 Apr 2005 02:46:17 +0000 (02:46 +0000)]
remove one more occurance of this that snuck in
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21271
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Chris Lattner [Wed, 13 Apr 2005 02:43:40 +0000 (02:43 +0000)]
Remove support for ZERO_EXTEND_INREG. This pessimizes code, genering stuff
like this:
ldah $1,1($31)
lda $1,-1($1)
and $0,$1,$24
instead of this:
zap $0,252,$24
To get this back, the selector should recognize the ISD::AND case where this
happens and emit the appropriate ZAP instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21270
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Chris Lattner [Wed, 13 Apr 2005 02:41:52 +0000 (02:41 +0000)]
Remove special handling of ZERO_EXTEND_INREG. This pessimizes code, causing
things like this:
mov r9 = 65535;;
and r8 = r8, r9;;
To be emitted instead of:
zxt2 r8 = r8;;
To get this back, the selector for ISD::AND should recognize this case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21269
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Chris Lattner [Wed, 13 Apr 2005 02:40:26 +0000 (02:40 +0000)]
Elimate handling of ZERO_EXTEND_INREG. This causes the PPC backend to emit
andi instructions instead of rlwinm instructions for zero extend, but they
seem like they would take the same time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21268
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Chris Lattner [Wed, 13 Apr 2005 02:39:05 +0000 (02:39 +0000)]
Z_E_I is gone
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21267
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Chris Lattner [Wed, 13 Apr 2005 02:38:47 +0000 (02:38 +0000)]
Instead of making ZERO_EXTEND_INREG nodes, use the helper method in
SelectionDAG to do the job with AND. Don't legalize Z_E_I anymore as
it is gone
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21266
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Chris Lattner [Wed, 13 Apr 2005 02:38:18 +0000 (02:38 +0000)]
Remove all foldings of ZERO_EXTEND_INREG, moving them to work for AND nodes
instead. OVerall, this increases the amount of folding we can do.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21265
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Chris Lattner [Wed, 13 Apr 2005 02:37:19 +0000 (02:37 +0000)]
Add a new helper method which returns the and that is equivalent to what
ZERO_EXTEND_INREG was.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21264
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Chris Lattner [Wed, 13 Apr 2005 02:36:41 +0000 (02:36 +0000)]
Remove the ZERO_EXTEND_INREG node which is redundant with AND
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21263
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Nate Begeman [Tue, 12 Apr 2005 23:32:28 +0000 (23:32 +0000)]
Fold shift x, [sz]ext(y) -> shift x, y
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21262
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Nate Begeman [Tue, 12 Apr 2005 23:12:17 +0000 (23:12 +0000)]
Fold shift by size larger than type size to undef
Make llvm undef values generate ISD::UNDEF nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21261
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Nate Begeman [Tue, 12 Apr 2005 21:22:28 +0000 (21:22 +0000)]
Implement setcc op, -1 sequences
Remove dead setcc op, 0 sequences
Coming later: generalization of op, imm
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21260
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Chris Lattner [Tue, 12 Apr 2005 20:30:10 +0000 (20:30 +0000)]
promote extload i1 -> extload i8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21258
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