Chris Lattner
956db27a63
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 05:43:13 +00:00
Chris Lattner
bf5d4fb7d8
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 05:31:13 +00:00
Chris Lattner
01d7139f93
Fix some broken links, taking care of PR554
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21387 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 04:53:58 +00:00
Chris Lattner
4c376eacf5
update to match build changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21386 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 04:52:37 +00:00
Reid Spencer
2aafadcc76
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 02:50:10 +00:00
Reid Spencer
03aee2e3f2
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 02:30:32 +00:00
Misha Brukman
237cef4b0b
Remove trailing whitespace at the end of lines
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21380 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 16:42:34 +00:00
Misha Brukman
d6a29a5304
Remove trailing whitespace, patch by Markus Oberhumer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21379 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 16:05:03 +00:00
Misha Brukman
22c46da12b
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 15:42:11 +00:00
Misha Brukman
8177bf8904
Do not mark directories as `executable', we only want program files
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Patch by Markus Oberhumer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21377 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 15:33:22 +00:00
Misha Brukman
baec07cbfe
#include system headers after all LLVM headers
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21374 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 04:51:29 +00:00
Misha Brukman
704448f83b
Eliminate trailing spaces at end-of-line
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21372 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 04:08:35 +00:00
Misha Brukman
8f586ba4ed
Consistently eschew space between *' or
&' and function argument name
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21371 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 04:07:47 +00:00
Misha Brukman
4619c75f64
Ignore dangling symlinks in getDirectoryContents()
...
Thanks to Markus Oberhumer for the patch!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21370 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 04:04:07 +00:00
Misha Brukman
4b2afe6394
Initialize fields mode, uid, and gid.
...
Patch by Markus Oberhumer. Thanks!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21369 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 03:55:35 +00:00
Misha Brukman
72a9caa260
Align comments together for consistency
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21368 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 03:52:59 +00:00
Misha Brukman
b0bafc55be
* 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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-20 03:22:18 +00:00
Chris Lattner
7d27fc0252
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 19:16:19 +00:00
Chris Lattner
a6dcd0ef73
ignore generated files
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21362 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 15:34:36 +00:00
Chris Lattner
6e19b5b792
fix bogus warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21361 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 15:32:30 +00:00
Chris Lattner
20b463629b
fix PR549
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21360 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 15:27:29 +00:00
Chris Lattner
f79e57ef09
Bug fixed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21355 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 06:08:04 +00:00
Chris Lattner
240d6f4c9d
Eliminate a broken transformation, fixing PR548
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21354 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 06:04:18 +00:00
Chris Lattner
f577c6122f
Add completely untested support for mtcrf/mfcrf encoding
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21353 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 05:41:52 +00:00
Chris Lattner
14522e31d9
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 05:21:30 +00:00
Chris Lattner
883059fb58
Convert the XForm instrs and XSForm instruction over to use isDOT
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21351 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 05:15:18 +00:00
Chris Lattner
97a2d42999
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 05:05:22 +00:00
Chris Lattner
a611ab72ca
convert over bform and iform instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21349 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 05:00:59 +00:00
Chris Lattner
57226fbc7b
Convert over DForm and DSForm instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21348 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 04:59:28 +00:00
Chris Lattner
e19d0b1130
Convert XLForm and XForm instructions over to use PPC64 when appropriate.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21347 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 04:51:30 +00:00
Chris Lattner
5035cef732
Convert XO XS and XFX forms to use isPPC64
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21346 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 04:40:07 +00:00
Chris Lattner
0bdc6f1fd4
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 04:32:54 +00:00
Chris Lattner
7dda395004
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 03:36:21 +00:00
Chris Lattner
6b43c82378
New testcase for a changing values late and allowing them to propagate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21343 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 03:34:58 +00:00
Chris Lattner
93fc714b1d
Make this significantly harder
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21342 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 02:58:57 +00:00
Chris Lattner
c6f4fab8e0
Add a real run line
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21341 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 02:53:26 +00:00
Chris Lattner
913418a80c
fix this testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21340 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 02:52:04 +00:00
Chris Lattner
ac9196093e
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21339 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 02:26:23 +00:00
Chris Lattner
8287bbbb79
add a run line
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21338 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 01:37:24 +00:00
Chris Lattner
2347f28cf5
Tell dj to run the tests in this directory
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21337 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 01:36:41 +00:00
Chris Lattner
577057faaa
implementing shifting of literal integers
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21336 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 01:17:35 +00:00
Chris Lattner
b9266f880a
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-19 01:11:03 +00:00
Nate Begeman
1cbf3abbb8
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-18 07:48:09 +00:00
Chris Lattner
ea96b5edbb
silence a bogus warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21320 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-18 05:26:21 +00:00
Chris Lattner
fda2b55e1b
Fold setcc of MVT::i1 operands into logical operations
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21319 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-18 04:48:12 +00:00
Chris Lattner
4a44c8df19
Another minor simplification: handle setcc (zero_extend x), c -> setcc(x, c')
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21318 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-18 04:30:45 +00:00
Chris Lattner
7467c9b086
Another simple xform
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21317 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-18 04:11:19 +00:00
Chris Lattner
706aa9685a
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-18 03:59:53 +00:00
Chris Lattner
36019aa5c6
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-18 03:48:41 +00:00
Nate Begeman
16ac709c63
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 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-18 02:43:24 +00:00