Chris Lattner [Wed, 24 Aug 2005 22:44:39 +0000 (22:44 +0000)]
Add ReplaceAllUsesWith that can take a vector of replacement values.
Add some foldings to hopefully help the illegal setcc issue, and move some code around.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23025
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Chris Lattner [Wed, 24 Aug 2005 22:43:53 +0000 (22:43 +0000)]
add two new methods
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23024
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Chris Lattner [Wed, 24 Aug 2005 22:21:47 +0000 (22:21 +0000)]
Remove some dead cases.
Emit the indcall sequence as:
mtctr inreg
mr R12, inreg
btctr
If inreg and R12 aren't coallesced, this reduces the odds of having the mtctr
and btctr in the same dispatch group. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23023
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Chris Lattner [Wed, 24 Aug 2005 22:02:41 +0000 (22:02 +0000)]
Add support for external symbols, and support for variable arity instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23022
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Chris Lattner [Wed, 24 Aug 2005 18:30:00 +0000 (18:30 +0000)]
Fix pasto that prevented VT ndoes from showing up in -view-isel-dags correctly
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23021
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Chris Lattner [Wed, 24 Aug 2005 18:15:24 +0000 (18:15 +0000)]
add an idea
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23020
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Chris Lattner [Wed, 24 Aug 2005 17:55:32 +0000 (17:55 +0000)]
Fix Regression/Transforms/Reassociate/2005-08-24-Crash.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23019
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Chris Lattner [Wed, 24 Aug 2005 17:54:56 +0000 (17:54 +0000)]
new testcase that crashes -reassociate
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23018
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Chris Lattner [Wed, 24 Aug 2005 17:22:17 +0000 (17:22 +0000)]
Transform floor((double)FLT) -> (double)floorf(FLT), implementing
Regression/Transforms/SimplifyLibCalls/floor.ll. This triggers 19 times in
177.mesa.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23017
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Chris Lattner [Wed, 24 Aug 2005 17:20:30 +0000 (17:20 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23016
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Chris Lattner [Wed, 24 Aug 2005 16:58:56 +0000 (16:58 +0000)]
floor/ceil don't read/write memory. This allows gcse to eliminate 6 calls
in mesa.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23015
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Chris Lattner [Wed, 24 Aug 2005 16:48:49 +0000 (16:48 +0000)]
Make sure this doesn't break when we're improving the isels
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23014
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Chris Lattner [Wed, 24 Aug 2005 16:46:55 +0000 (16:46 +0000)]
teach selection dag mask tracking about the fact that select_cc operates like
select. Also teach it that the bit count instructions can only set the low bits
of the result, depending on the size of the input.
This allows us to compile this:
int %eq0(int %a) {
%tmp.1 = seteq int %a, 0 ; <bool> [#uses=1]
%tmp.2 = cast bool %tmp.1 to int ; <int> [#uses=1]
ret int %tmp.2
}
To this:
_eq0:
cntlzw r2, r3
srwi r3, r2, 5
blr
instead of this:
_eq0:
cntlzw r2, r3
rlwinm r3, r2, 27, 31, 31
blr
when setcc is marked illegal on ppc (which restores parity to non-illegal
setcc). Thanks to Nate for pointing this out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23013
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Chris Lattner [Wed, 24 Aug 2005 16:35:28 +0000 (16:35 +0000)]
Start using isOperationLegal and isTypeLegal to simplify the code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23012
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Chris Lattner [Wed, 24 Aug 2005 16:34:59 +0000 (16:34 +0000)]
rename hasNativeSupportFor* -> is(Operation|Type)Legal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23011
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Chris Lattner [Wed, 24 Aug 2005 16:34:12 +0000 (16:34 +0000)]
Adjust to new interface
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23010
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Misha Brukman [Wed, 24 Aug 2005 14:03:07 +0000 (14:03 +0000)]
Wrap long lines
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23009
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Reid Spencer [Wed, 24 Aug 2005 10:57:30 +0000 (10:57 +0000)]
Remove some tabs.
Wrap a line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23008
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Reid Spencer [Wed, 24 Aug 2005 10:55:07 +0000 (10:55 +0000)]
Whoops, don't use PROJ variables, these are all LLVM headers. This allows
projects to compile properly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23007
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Reid Spencer [Wed, 24 Aug 2005 10:43:10 +0000 (10:43 +0000)]
For PR619:
Make any header files that are automatically generated be preconditions of
the compilation. This ensures that if a *.h.in file is changed then its
corresponding *.h file gets updated on the next rebuild. Note that this can
lead to confusing (but correct) results if the *.h.in file changed
unsubstantially so that autoheader doesn't update the *.h file. In that case,
manually touch the *.h file in question to restore order. Moral of the story,
if you're going to "touch" a *.in file then modify it substantially.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23006
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Reid Spencer [Wed, 24 Aug 2005 10:07:20 +0000 (10:07 +0000)]
For PR616:
These patches make threading optional in LLVM. The configuration scripts are now
modified to accept a --disable-threads switch. If this is used, the Mutex class
will be implemented with all functions as no-op. Furthermore, linking against
libpthread will not be done. Finally, the ParallelJIT example needs libpthread
so its makefile was changed to always add -lpthread to the link line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23003
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Nate Begeman [Wed, 24 Aug 2005 05:06:48 +0000 (05:06 +0000)]
Whoops, fix a thinko. All cases except SETNE are now handled by the
target independent code in SelectionDAG.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23002
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Nate Begeman [Wed, 24 Aug 2005 05:03:20 +0000 (05:03 +0000)]
Remove unused statistic
Prefer 'neg X' to 'subfic 0, X' since neg does not set XER[CA]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23001
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Nate Begeman [Wed, 24 Aug 2005 04:59:21 +0000 (04:59 +0000)]
Add the "ppc specific" setcc-equivalent select_cc cases
Prefer 'neg X' to 'subfic 0, X' since it does not set XER[CA]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23000
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Nate Begeman [Wed, 24 Aug 2005 04:57:57 +0000 (04:57 +0000)]
Teach SelectionDAG how to simplify a few more setcc-equivalent select_cc
nodes so that backends don't have to.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22999
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Chris Lattner [Wed, 24 Aug 2005 00:47:15 +0000 (00:47 +0000)]
Add callseq_begin/end support
Call stil not supported yet
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22998
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Chris Lattner [Wed, 24 Aug 2005 00:34:29 +0000 (00:34 +0000)]
Make -view-isel-dags show the dag before instruction selecting, in case
the target isel crashes due to unimplemented features like calls :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22997
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Nate Begeman [Wed, 24 Aug 2005 00:21:28 +0000 (00:21 +0000)]
Fix optimization of select_cc seteq X, 0, 1, 0 -> srl (ctlz X), log2 X size
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22995
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Chris Lattner [Wed, 24 Aug 2005 00:09:33 +0000 (00:09 +0000)]
Implement LiveVariables.h change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22994
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Chris Lattner [Wed, 24 Aug 2005 00:09:02 +0000 (00:09 +0000)]
Keep the killed/dead sets sorted, so that "KillsRegister" can do a quick
binary search to test for membership. This speeds up LLC a bit more on KC++,
e.g. on itanium from 16.6974s to 14.8272s, PPC from 11.4926s to 10.7089s and
X86 from 10.8128s to 9.7943s, with no difference in generated code (like all
of the RA patches).
With these changes, isel is the slowest pass for PPC/X86, but linscan+live
intervals is still > 50% of the compile time for itanium. More work could
be done, but this is the last for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22993
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Chris Lattner [Tue, 23 Aug 2005 23:42:17 +0000 (23:42 +0000)]
adjust to new live variables interface
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22992
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Chris Lattner [Tue, 23 Aug 2005 23:41:14 +0000 (23:41 +0000)]
Adjust to new livevars interface
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22991
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Chris Lattner [Tue, 23 Aug 2005 23:40:41 +0000 (23:40 +0000)]
Change live variables from using multimaps to using maps of vectors and
rearrange some of the accessors to be more efficient.
This makes it much more efficient to iterate over all of the things with the
same value. This speeds up liveintervals analysis from 8.63s to 3.79s with
a release build of llc on kc++ with -march=ia64. This also speeds up live
var from 1.66s -> 0.87s as well, reducing total llc time from 20.1s->15.2s.
This also speeds up other targets slightly, e.g. llc time on X86 from 16.84
-> 16.45s, and PPC from 17.64->17.03s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22990
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Chris Lattner [Tue, 23 Aug 2005 22:51:41 +0000 (22:51 +0000)]
Simplify this code by using higher-level LiveVariables methods
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22989
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Chris Lattner [Tue, 23 Aug 2005 22:49:55 +0000 (22:49 +0000)]
Simplify this code by using LiveVariables::KillsRegister
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22988
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Chris Lattner [Tue, 23 Aug 2005 22:43:24 +0000 (22:43 +0000)]
Add RegisterDefIsDead to correspond to KillsRegister, mark both const
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22987
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Chris Lattner [Tue, 23 Aug 2005 22:27:31 +0000 (22:27 +0000)]
Keep track of which registers are related to which other registers.
Use this information to avoid doing expensive interval intersections for
registers that could not possible be interesting. This speeds up linscan
on ia64 compiling kc++ in release mode from taking 7.82s to 4.8s(!), total
itanium llc time on this program is 27.3s now. This marginally speeds up
PPC and X86, but they appear to be limited by other parts of linscan, not
this code.
On this program, on itanium, live intervals now takes 41% of llc time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22986
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Chris Lattner [Tue, 23 Aug 2005 21:45:31 +0000 (21:45 +0000)]
add a method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22985
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Chris Lattner [Tue, 23 Aug 2005 20:22:50 +0000 (20:22 +0000)]
Fix PR618 and Regression/CodeGen/CBackend/2005-08-23-Fmod.ll by not emitting
x%y for 'rem' on fp values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22984
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Chris Lattner [Tue, 23 Aug 2005 20:22:07 +0000 (20:22 +0000)]
New testcase for PR618
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22983
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Chris Lattner [Tue, 23 Aug 2005 06:27:59 +0000 (06:27 +0000)]
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22982
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Nate Begeman [Tue, 23 Aug 2005 05:45:10 +0000 (05:45 +0000)]
Ack, typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22981
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Nate Begeman [Tue, 23 Aug 2005 05:42:36 +0000 (05:42 +0000)]
Add an option to make SetCC illegal as a beta option
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22979
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Nate Begeman [Tue, 23 Aug 2005 05:41:12 +0000 (05:41 +0000)]
Teach the SelectionDAG how to transform select_cc eq, X, 0, 1, 0 into
either seteq X, 0 or srl (ctlz X), size(X-1), depending on what's legal
for the target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22978
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Nate Begeman [Tue, 23 Aug 2005 04:29:48 +0000 (04:29 +0000)]
Teach Legalize how to turn setcc into select_cc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22977
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Nate Begeman [Tue, 23 Aug 2005 01:16:46 +0000 (01:16 +0000)]
Remove some instructions we no longer generate
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22976
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Chris Lattner [Mon, 22 Aug 2005 22:32:13 +0000 (22:32 +0000)]
Remove some regs that are not used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22975
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Chris Lattner [Mon, 22 Aug 2005 22:00:02 +0000 (22:00 +0000)]
Nate noticed that 30% of the malloc/frees in llc come from calls to LowercaseString
in the asmprinter. This changes the .td files to use lower case register names,
avoiding the need to do this call. This speeds up the asmprinter from 1.52s
to 1.06s on kc++ in a release build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22974
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Chris Lattner [Mon, 22 Aug 2005 21:33:11 +0000 (21:33 +0000)]
Fix a crash I introduced into the IA64 backend with my copyfromreg change.
It used to crash on any function that took float arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22973
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Chris Lattner [Mon, 22 Aug 2005 20:59:30 +0000 (20:59 +0000)]
Try to avoid scanning the fixed list. On architectures with a non-stupid
number of regs (e.g. most riscs), many functions won't need to use callee
clobbered registers. Do a speculative check to see if we can get a free
register without processing the fixed list (which has all of these). This
saves a lot of time on machines with lots of callee clobbered regs (e.g.
ppc and itanium, also x86).
This reduces ppc llc compile time from 184s -> 172s on kc++. This is probably
worth FAR FAR more on itanium though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22972
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Chris Lattner [Mon, 22 Aug 2005 20:20:42 +0000 (20:20 +0000)]
Move some code in the register assignment case that only needs to happen if
we spill out of the fast path. The scan of active_ and the calls to
updateSpillWeights don't need to happen unless a spill occurs. This reduces
debug llc time of kc++ with ppc from 187.3s to 183.2s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22971
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Chris Lattner [Mon, 22 Aug 2005 18:28:09 +0000 (18:28 +0000)]
Add a pass name for -time-passes output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22970
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Chris Lattner [Mon, 22 Aug 2005 17:28:31 +0000 (17:28 +0000)]
Fix a problem where constant expr shifts would not have their shift amount
promoted to the right type. This fixes: IA64/2005-08-22-LegalizerCrash.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22969
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Chris Lattner [Mon, 22 Aug 2005 17:16:49 +0000 (17:16 +0000)]
Testcase for a crash in the legalizer on ia64. This is reduced from kc++.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22968
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Chris Lattner [Mon, 22 Aug 2005 17:15:41 +0000 (17:15 +0000)]
Add a long-overdue itanium regression test dir: hint hint Duraid :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22967
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Chris Lattner [Mon, 22 Aug 2005 16:55:22 +0000 (16:55 +0000)]
Speed up this loop a bit, based on some observations that Nate made, and
add some comments. This loop really needs to be reevaluated!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22966
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Chris Lattner [Mon, 22 Aug 2005 16:24:25 +0000 (16:24 +0000)]
Revert my patch which changed the code to not work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22965
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Chris Lattner [Mon, 22 Aug 2005 16:11:46 +0000 (16:11 +0000)]
Make the example a bit easier to understand, suggested by Jim.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22964
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Chris Lattner [Mon, 22 Aug 2005 01:27:59 +0000 (01:27 +0000)]
Implement stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22963
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Chris Lattner [Mon, 22 Aug 2005 01:04:32 +0000 (01:04 +0000)]
Add a fast-path for register values. Add support for constant pool entries,
allowing us to compile this:
float %test2(float* %P) {
%Q = load float* %P
%R = add float %Q, 10.1
ret float %R
}
to this:
_test2:
lfs r2, 0(r3)
lis r3, ha16(.CPI_test2_0)
lfs r3, lo16(.CPI_test2_0)(r3)
fadds f1, r2, r3
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22962
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Chris Lattner [Mon, 22 Aug 2005 00:59:14 +0000 (00:59 +0000)]
Fix compilation of:
float %test2(float* %P) {
%Q = load float* %P
%R = add float %Q, %Q
ret float %R
}
By returning the right result.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22961
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Chris Lattner [Mon, 22 Aug 2005 00:47:28 +0000 (00:47 +0000)]
Make sure expressions only have one use before emitting them into a place that is conditionally executed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22960
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Chris Lattner [Sun, 21 Aug 2005 22:31:09 +0000 (22:31 +0000)]
Implement most of load support. There is still a bug though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22959
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Chris Lattner [Sun, 21 Aug 2005 22:30:42 +0000 (22:30 +0000)]
add a method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22958
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Chris Lattner [Sun, 21 Aug 2005 22:30:30 +0000 (22:30 +0000)]
add anew method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22957
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Chris Lattner [Sun, 21 Aug 2005 19:56:04 +0000 (19:56 +0000)]
Add support for frame index nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22956
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Chris Lattner [Sun, 21 Aug 2005 19:48:59 +0000 (19:48 +0000)]
add a method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22955
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Chris Lattner [Sun, 21 Aug 2005 19:48:53 +0000 (19:48 +0000)]
ADd a method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22954
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Chris Lattner [Sun, 21 Aug 2005 19:09:33 +0000 (19:09 +0000)]
Don't print out the MBB label for the entry mbb
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22953
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Chris Lattner [Sun, 21 Aug 2005 19:03:28 +0000 (19:03 +0000)]
Simplify the logic for BRTWOWAY_CC handling. The isel code already
simplifies BRTWOWAY into BR if one of the results is a fall-through.
Unless I'm missing something, there is no reason to duplicate this
in the target-specific code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22952
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Chris Lattner [Sun, 21 Aug 2005 18:50:37 +0000 (18:50 +0000)]
Implement selection for branches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22951
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Chris Lattner [Sun, 21 Aug 2005 18:49:58 +0000 (18:49 +0000)]
Add 5-operand version of SelectNodeTo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22950
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Chris Lattner [Sun, 21 Aug 2005 18:49:33 +0000 (18:49 +0000)]
add a method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22949
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Chris Lattner [Sun, 21 Aug 2005 18:49:29 +0000 (18:49 +0000)]
Add support for basic blocks, fix a bug in result # computation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22948
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Chris Lattner [Sun, 21 Aug 2005 18:03:09 +0000 (18:03 +0000)]
When legalizing brcond ->brcc or select -> selectcc, make sure to truncate
the old condition to a one bit value. The incoming value must have been
promoted, and the top bits are undefined. This causes us to generate:
_test:
rlwinm r2, r3, 0, 31, 31
li r3, 17
cmpwi cr0, r2, 0
bne .LBB_test_2 ;
.LBB_test_1: ;
li r3, 1
.LBB_test_2: ;
blr
instead of:
_test:
rlwinm r2, r3, 0, 31, 31
li r2, 17
cmpwi cr0, r3, 0
bne .LBB_test_2 ;
.LBB_test_1: ;
li r2, 1
.LBB_test_2: ;
or r3, r2, r2
blr
for:
int %test(bool %c) {
%retval = select bool %c, int 17, int 1
ret int %retval
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22947
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Chris Lattner [Sun, 21 Aug 2005 17:41:11 +0000 (17:41 +0000)]
If the false value for a select_cc is really simple (has no inputs), evaluate
it in the block. This codegens:
int %test(bool %c) {
%retval = select bool %c, int 17, int 1
ret int %retval
}
as:
_test:
rlwinm r2, r3, 0, 31, 31
li r2, 17
cmpwi cr0, r3, 0
bne .LBB_test_2 ;
.LBB_test_1: ;
li r2, 1
.LBB_test_2: ;
or r3, r2, r2
blr
instead of:
_test:
rlwinm r2, r3, 0, 31, 31
li r2, 17
li r4, 1
cmpwi cr0, r3, 0
bne .LBB_test_2 ;
.LBB_test_1: ;
or r2, r4, r4
.LBB_test_2: ;
or r3, r2, r2
blr
... which is one fewer instruction. The savings are more significant for
global address and constantfp nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22946
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Chris Lattner [Sun, 21 Aug 2005 16:37:36 +0000 (16:37 +0000)]
Fix a bug in the RUN line
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22945
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Duraid Madina [Sun, 21 Aug 2005 15:43:53 +0000 (15:43 +0000)]
reenable collapse of loadimm+AND -> dep.z (thanks guys)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22944
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Chris Lattner [Sat, 20 Aug 2005 18:07:27 +0000 (18:07 +0000)]
fix bogus warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22943
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Jim Laskey [Sat, 20 Aug 2005 11:05:23 +0000 (11:05 +0000)]
Repair an out by one error for IA64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22942
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Chris Lattner [Fri, 19 Aug 2005 22:38:53 +0000 (22:38 +0000)]
add support for global address, including PIC support.
This REALLY should be lowered by the legalizer!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22941
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Chris Lattner [Fri, 19 Aug 2005 22:38:24 +0000 (22:38 +0000)]
Add support for global address nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22940
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Chris Lattner [Fri, 19 Aug 2005 22:31:34 +0000 (22:31 +0000)]
ADd support for TargetGlobalAddress nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22939
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Chris Lattner [Fri, 19 Aug 2005 22:31:04 +0000 (22:31 +0000)]
Add support for TargetGlobalAddress nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22938
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Chris Lattner [Fri, 19 Aug 2005 21:43:53 +0000 (21:43 +0000)]
Implement CopyFromReg, TokenFactor, and fix a bug in CopyToReg. This allows
us to compile stuff like this:
double %test(double %A, double %B, double %C, double %E) {
%F = mul double %A, %A
%G = add double %F, %B
%H = sub double -0.0, %G
%I = mul double %H, %C
%J = add double %I, %E
ret double %J
}
to:
_test:
fnmadd f0, f1, f1, f2
fmadd f1, f0, f3, f4
blr
woot!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22937
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Chris Lattner [Fri, 19 Aug 2005 21:34:13 +0000 (21:34 +0000)]
Fix a bug in previous commit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22936
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Chris Lattner [Fri, 19 Aug 2005 21:33:02 +0000 (21:33 +0000)]
Fix a typeo, no wonder all tokenfactor edges were the same!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22935
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Chris Lattner [Fri, 19 Aug 2005 21:21:16 +0000 (21:21 +0000)]
Print physreg register nodes with target names (e.g. F1) instead of numbers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22934
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Chris Lattner [Fri, 19 Aug 2005 20:50:53 +0000 (20:50 +0000)]
Before implementing copyfromreg, we'll implement copytoreg correctly.
This gets us this for the previous testcase:
_test:
lis r2, 0
ori r3, r2, 65535
blr
Note that we actually write to r3 (the return reg) correctly now :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22933
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Chris Lattner [Fri, 19 Aug 2005 20:45:43 +0000 (20:45 +0000)]
Now that we have operand info for machine instructions, use it to create
temporary registers for things that define a register. This allows dag->dag
isel to compile this:
int %test() { ret int 65535 }
into:
_test:
lis r2, 0
ori r2, r2, 65535
blr
Next up, getting CopyFromReg to work, allowing arguments and cross-bb values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22932
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Chris Lattner [Fri, 19 Aug 2005 20:29:14 +0000 (20:29 +0000)]
Emit this:
static const TargetOperandInfo OperandInfo6[] = { { &PPC32::CRRCRegClass }, { 0 }, };
instead of this:
static const TargetOperandInfo OperandInfo6[] = { { PPC32::CRRCRegisterClass }, { 0 }, };
For operand information, which does not require dynamic (startup-time)
initialization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22931
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Chris Lattner [Fri, 19 Aug 2005 20:23:42 +0000 (20:23 +0000)]
Expose the derived register classes to the public header, allowing them
to be accessed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22930
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Chris Lattner [Fri, 19 Aug 2005 19:13:20 +0000 (19:13 +0000)]
Split RegisterClass 'Methods' into MethodProtos and MethodBodies
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22929
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Chris Lattner [Fri, 19 Aug 2005 19:12:51 +0000 (19:12 +0000)]
Split register class "Methods" into MethodProtos and MethodBodies
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22928
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Chris Lattner [Fri, 19 Aug 2005 18:53:43 +0000 (18:53 +0000)]
put reg classes into namespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22927
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Chris Lattner [Fri, 19 Aug 2005 18:52:55 +0000 (18:52 +0000)]
Put reg classes into namespaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22926
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Chris Lattner [Fri, 19 Aug 2005 18:51:57 +0000 (18:51 +0000)]
Put register classes into namespaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22925
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Chris Lattner [Fri, 19 Aug 2005 18:50:46 +0000 (18:50 +0000)]
Put register classes in namespaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22924
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Chris Lattner [Fri, 19 Aug 2005 18:50:11 +0000 (18:50 +0000)]
Fix code that assumes the register info will be dumped into a target
namespace instead of the reg class namespace. Update getRegClassForType()
to use modified names due to tblgen change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22923
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Chris Lattner [Fri, 19 Aug 2005 18:49:22 +0000 (18:49 +0000)]
put reg classes in namespaces
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22922
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