Reid Spencer [Thu, 14 Oct 2004 03:05:59 +0000 (03:05 +0000)]
Implementation of MappedFile for Win32. Patch provided by Jeff Cohen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16968
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Chris Lattner [Thu, 14 Oct 2004 02:31:35 +0000 (02:31 +0000)]
Today is not my day. Fix broken #
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16967
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Chris Lattner [Thu, 14 Oct 2004 02:06:48 +0000 (02:06 +0000)]
unbreak previous checkin :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16966
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Chris Lattner [Thu, 14 Oct 2004 01:57:28 +0000 (01:57 +0000)]
Add back a missing paren
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16965
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Chris Lattner [Thu, 14 Oct 2004 01:49:34 +0000 (01:49 +0000)]
Fit to 80 cols
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16964
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Chris Lattner [Thu, 14 Oct 2004 01:46:07 +0000 (01:46 +0000)]
Wrap to 80 cols, delete some seriously old debugging printouts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16963
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Chris Lattner [Thu, 14 Oct 2004 01:39:18 +0000 (01:39 +0000)]
Fit in 80 columns
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16962
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Chris Lattner [Thu, 14 Oct 2004 01:35:17 +0000 (01:35 +0000)]
Minor cleanups
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16961
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Chris Lattner [Wed, 13 Oct 2004 15:25:46 +0000 (15:25 +0000)]
Patch to make VS happier, thanks to Morten Ofstad for pointing this out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16956
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Chris Lattner [Wed, 13 Oct 2004 15:11:23 +0000 (15:11 +0000)]
Use explicit std:: qualification to avoid relying on Koenig lookup, which
VC++ does not do properly. Thanks to Morten Ofstad for the patch!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16955
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Chris Lattner [Wed, 13 Oct 2004 15:09:21 +0000 (15:09 +0000)]
Get rid of template templates that were preventing VC from compiling the
set_intersect template. Thanks to Morten Ofstad and Jeff Cohen for the
patch!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16954
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Reid Spencer [Wed, 13 Oct 2004 11:56:07 +0000 (11:56 +0000)]
Changes for automake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16953
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Reid Spencer [Wed, 13 Oct 2004 11:53:12 +0000 (11:53 +0000)]
Set up BUILD_MODE based on the configuration so the default build mode
is established from configuration. Also, don't make the ENABLE_ options
AM_CONDITIONALs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16952
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Reid Spencer [Wed, 13 Oct 2004 11:48:50 +0000 (11:48 +0000)]
Updates for changes in Makefile rules.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16951
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Reid Spencer [Wed, 13 Oct 2004 11:46:52 +0000 (11:46 +0000)]
Update to reflect changes in Makefile rules.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16950
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Reid Spencer [Wed, 13 Oct 2004 11:39:51 +0000 (11:39 +0000)]
Get rid of the horrendous FIND_PATH macro, have libs and progs linked into
a common directory for simplicity. Provide an easy way to relink some
objects
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16949
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Chris Lattner [Wed, 13 Oct 2004 04:44:53 +0000 (04:44 +0000)]
Update doco, make doxygen more, use standard dividers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16948
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Misha Brukman [Wed, 13 Oct 2004 01:07:55 +0000 (01:07 +0000)]
Save Reid's notes from bugzilla on the proper procedure to upgrade libtool
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16947
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Reid Spencer [Wed, 13 Oct 2004 01:01:03 +0000 (01:01 +0000)]
Resolution to PR451.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16946
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Reid Spencer [Wed, 13 Oct 2004 00:51:45 +0000 (00:51 +0000)]
Changes for libtool 1.5.10
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16945
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Reid Spencer [Wed, 13 Oct 2004 00:19:25 +0000 (00:19 +0000)]
Update for libtool 1.5.10
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16944
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Reid Spencer [Wed, 13 Oct 2004 00:18:58 +0000 (00:18 +0000)]
Harden the version requirements to the set that actually works after three
days of trying to figure it out. Despite some developer's penchant for
relaxing the tool versions, this just isn't possible. Only certain versions
work with certain other versions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16943
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Misha Brukman [Tue, 12 Oct 2004 21:48:02 +0000 (21:48 +0000)]
Fix file comment header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16942
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Misha Brukman [Tue, 12 Oct 2004 20:35:04 +0000 (20:35 +0000)]
On second thought, OpaqueType is not really a good first-class type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16941
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Misha Brukman [Tue, 12 Oct 2004 19:17:11 +0000 (19:17 +0000)]
No space allowed between \ and end-of-line
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16940
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Misha Brukman [Tue, 12 Oct 2004 18:35:57 +0000 (18:35 +0000)]
Wrap lines at 80 cols
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16939
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Chris Lattner [Tue, 12 Oct 2004 17:08:44 +0000 (17:08 +0000)]
Add comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16937
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Misha Brukman [Tue, 12 Oct 2004 17:06:17 +0000 (17:06 +0000)]
Opaque types are considered to be first-class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16936
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Chris Lattner [Tue, 12 Oct 2004 16:52:09 +0000 (16:52 +0000)]
Minor cleanups:
* fit in 80 lines
* Eliminate extra namespaces
* Drop llvm::
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16935
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Chris Lattner [Tue, 12 Oct 2004 16:21:18 +0000 (16:21 +0000)]
Don't emit the method into the llvm namespace, let the #includer decide where it goes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16934
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Chris Lattner [Tue, 12 Oct 2004 16:10:39 +0000 (16:10 +0000)]
Add std:: prefix for compilers without correct koenig lookup implemented.
Patch contributed by Paolo Invernizzi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16933
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Chris Lattner [Tue, 12 Oct 2004 04:52:52 +0000 (04:52 +0000)]
Transform memmove -> memcpy when the source is obviously constant memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16932
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Chris Lattner [Tue, 12 Oct 2004 04:51:55 +0000 (04:51 +0000)]
New testcase for memmove -> memcpy transform
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16931
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Chris Lattner [Tue, 12 Oct 2004 04:45:20 +0000 (04:45 +0000)]
Right, calls have Operand#0 == the called function, don't forget this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16930
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Chris Lattner [Tue, 12 Oct 2004 04:32:37 +0000 (04:32 +0000)]
Minor tweaks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16929
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Chris Lattner [Tue, 12 Oct 2004 04:20:46 +0000 (04:20 +0000)]
New header. Classes can be added as needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16928
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Chris Lattner [Tue, 12 Oct 2004 04:20:25 +0000 (04:20 +0000)]
Implement a new method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16927
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Chris Lattner [Tue, 12 Oct 2004 01:49:27 +0000 (01:49 +0000)]
This nutty patch has been in my tree since before 1.3 went out, and it needs
to go in. This patch allows us to compute the trip count of loops controlled
by values loaded from constant arrays. The cannonnical example of this is
strlen when passed a constant argument:
for (int i = 0; "constantstring"[i]; ++i) ;
return i;
In this case, it will compute that the loop executes 14 times, which means
that the exit value of i is 14. Because of this, the loop gets DCE'd and
we are happy. This also applies to anything that does similar things, e.g.
loops like this:
const float Array[] = { 0.1, 2.1, 3.2, 23.21 };
for (int i = 0; Array[i] < 20; ++i)
and is actually fairly general.
The problem with this is that it almost never triggers. The reason is that
we run indvars and the loop optimizer only at compile time, which is before
things like strlen and strcpy have been inlined into the program from libc.
Because of this, it almost never is used (it triggers twice in specint2k).
I'm committing it because it DOES work, may be useful in the future, and
doesn't slow us down at all. If/when we start running the loop optimizer
at link-time (-O4?) this will be very nice indeed :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16926
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Chris Lattner [Tue, 12 Oct 2004 01:02:29 +0000 (01:02 +0000)]
Fix a REALLY obscure bug in my previous checkin, which was splicing the END
marker from one ilist into the middle of another basic block!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16925
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Chris Lattner [Mon, 11 Oct 2004 23:06:50 +0000 (23:06 +0000)]
Handle a common case more carefully. In particular, instead of transforming
pointer recurrences into expressions from this:
%P_addr.0.i.0 = phi sbyte* [ getelementptr ([8 x sbyte]* %.str_1, int 0, int 0), %entry ], [ %inc.0.i, %no_exit.i ]
%inc.0.i = getelementptr sbyte* %P_addr.0.i.0, int 1 ; <sbyte*> [#uses=2]
into this:
%inc.0.i = getelementptr sbyte* getelementptr ([8 x sbyte]* %.str_1, int 0, int 0), int %inc.0.i.rec
Actually create something nice, like this:
%inc.0.i = getelementptr [8 x sbyte]* %.str_1, int 0, int %inc.0.i.rec
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16924
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Chris Lattner [Mon, 11 Oct 2004 22:52:25 +0000 (22:52 +0000)]
Allow creation of GEP constantexprs with a vector of value* operands as
well as a vector of constant*'s. It turns out that this is more efficient
and all of the clients want to do that, so we should cater to them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16923
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Chris Lattner [Mon, 11 Oct 2004 22:21:39 +0000 (22:21 +0000)]
Implement remove/eraseFromParent methods
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16922
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Chris Lattner [Mon, 11 Oct 2004 22:21:13 +0000 (22:21 +0000)]
Add long overdue methods
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16921
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Chris Lattner [Mon, 11 Oct 2004 20:53:28 +0000 (20:53 +0000)]
Make this build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16919
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Chris Lattner [Mon, 11 Oct 2004 19:40:04 +0000 (19:40 +0000)]
Reenable the transform, turning X/-10 < 1 into X > -10
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16918
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Chris Lattner [Mon, 11 Oct 2004 15:50:40 +0000 (15:50 +0000)]
Fix a warning that is emitted on the suns
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16917
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Chris Lattner [Mon, 11 Oct 2004 05:54:41 +0000 (05:54 +0000)]
This patch implements two things (sorry).
First, it allows SRA of globals that have embedded arrays, implementing
GlobalOpt/globalsra-partial.llx. This comes up infrequently, but does allow,
for example, deleting several stores to dead parts of globals in dhrystone.
Second, this implements GlobalOpt/malloc-promote-*.llx, which is the
following nifty transformation:
Basically if a global pointer is initialized with malloc, and we can tell
that the program won't notice, we transform this:
struct foo *FooPtr;
...
FooPtr = malloc(sizeof(struct foo));
...
FooPtr->A FooPtr->B
Into:
struct foo FooPtrBody;
...
FooPtrBody.A FooPtrBody.B
This comes up occasionally, for example, the 'disp' global in 183.equake (where
the xform speeds the CBE version of the program up from 56.16s to 52.40s (7%)
on apoc), and the 'desired_accept', 'fixLRBT', 'macroArray', & 'key_queue'
globals in 300.twolf (speeding it up from 22.29s to 21.55s (3.4%)).
The nice thing about this xform is that it exposes the resulting global to
global variable optimization and makes alias analysis easier in addition to
eliminating a few loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16916
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Chris Lattner [Mon, 11 Oct 2004 05:00:30 +0000 (05:00 +0000)]
This testcase ensures that we can SRA a global even if part of the global
cannot be SRA'd
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16915
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Chris Lattner [Mon, 11 Oct 2004 05:00:12 +0000 (05:00 +0000)]
These testcases check to see if we can promote malloc's to globals in some
cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16914
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Chris Lattner [Mon, 11 Oct 2004 04:47:18 +0000 (04:47 +0000)]
Don't miss global optimizations because we run before the inliner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16913
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Chris Lattner [Mon, 11 Oct 2004 04:07:27 +0000 (04:07 +0000)]
Fix SingleSource/Benchmarks/McGill/chomp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16912
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Chris Lattner [Mon, 11 Oct 2004 03:57:30 +0000 (03:57 +0000)]
If we are trying to create a ConstantExpr cast that is really a GEP to the
first element of an array, return a GEP instead of a cast. This allows us
to transparently fold this:
int* getelementptr (int* cast ([100 x int]* %Gbody to int*), int 40)
into this:
int* getelementptr ([100 x int]* %Gbody, int 0, int 40)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16911
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Misha Brukman [Mon, 11 Oct 2004 02:06:40 +0000 (02:06 +0000)]
Fix grammar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16910
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Misha Brukman [Mon, 11 Oct 2004 00:56:41 +0000 (00:56 +0000)]
Remove exhuberant-style comments which remained from copying file from `sample'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16909
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Misha Brukman [Mon, 11 Oct 2004 00:55:47 +0000 (00:55 +0000)]
Fix file header comment; remove sample project (extra-verbose) comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16908
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Misha Brukman [Mon, 11 Oct 2004 00:54:59 +0000 (00:54 +0000)]
Fix file header comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16907
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Misha Brukman [Sun, 10 Oct 2004 23:37:40 +0000 (23:37 +0000)]
ModuloScheduling has moved to lib/Target/SparcV9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16906
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Misha Brukman [Sun, 10 Oct 2004 23:36:09 +0000 (23:36 +0000)]
Add ModuloScheduling to the recursive build tree
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16905
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Misha Brukman [Sun, 10 Oct 2004 23:34:50 +0000 (23:34 +0000)]
Adjust header file inclusion due to move
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16904
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Misha Brukman [Sun, 10 Oct 2004 23:34:36 +0000 (23:34 +0000)]
Adjust comment header and paths to refect move
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16903
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Misha Brukman [Sun, 10 Oct 2004 23:33:20 +0000 (23:33 +0000)]
ModuloScheduling moved to lib/Target/SparcV9 as it is SparcV9-specific
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16902
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Chris Lattner [Sun, 10 Oct 2004 23:14:11 +0000 (23:14 +0000)]
Just because we cannot completely eliminate all uses of a global, we can
still optimize away all of the indirect calls and loads, etc from it.
This turns code like this:
if (G != 0)
G();
into
if (G != 0)
ActualCallee();
This triggers a couple of times in gcc and libstdc++.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16901
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Chris Lattner [Sun, 10 Oct 2004 23:12:33 +0000 (23:12 +0000)]
Another testcase. We should be able to devirtualize the call even though
we cannot completely eliminate the global.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16900
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Reid Spencer [Sun, 10 Oct 2004 22:54:46 +0000 (22:54 +0000)]
Reorganize FINDLIBS to make most comment libs searched first.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16899
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Reid Spencer [Sun, 10 Oct 2004 22:52:14 +0000 (22:52 +0000)]
Initial version of automake Makefile.am file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16898
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Reid Spencer [Sun, 10 Oct 2004 22:51:03 +0000 (22:51 +0000)]
Add the new InstrSched directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16897
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Reid Spencer [Sun, 10 Oct 2004 22:50:31 +0000 (22:50 +0000)]
Fix named of a library.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16896
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Tanya Lattner [Sun, 10 Oct 2004 22:44:35 +0000 (22:44 +0000)]
Added debug information. Fixed several bugs in the reconstruct loop function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16895
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Reid Spencer [Sun, 10 Oct 2004 22:36:40 +0000 (22:36 +0000)]
Initial version of automake Makefile.am file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16894
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Reid Spencer [Sun, 10 Oct 2004 22:20:40 +0000 (22:20 +0000)]
Initial version of automake Makefile.am file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16893
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Reid Spencer [Sun, 10 Oct 2004 22:17:39 +0000 (22:17 +0000)]
Build both archive and relinked objects
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16892
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Reid Spencer [Sun, 10 Oct 2004 22:17:02 +0000 (22:17 +0000)]
Directory changes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16891
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Reid Spencer [Sun, 10 Oct 2004 22:16:50 +0000 (22:16 +0000)]
A configure script to configure LLVM for compilation with automake
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16890
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Reid Spencer [Sun, 10 Oct 2004 22:16:37 +0000 (22:16 +0000)]
Initial version of common automake Rules for LLVM
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16889
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Reid Spencer [Sun, 10 Oct 2004 22:07:57 +0000 (22:07 +0000)]
Initial version of automake Makefile.am file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16888
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Reid Spencer [Sun, 10 Oct 2004 21:19:41 +0000 (21:19 +0000)]
Remove the InstrSched directory (moved to SparcV9)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16887
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Reid Spencer [Sun, 10 Oct 2004 21:18:31 +0000 (21:18 +0000)]
Directory no long exists (moved to Targets/SparcV9).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16886
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Reid Spencer [Sun, 10 Oct 2004 20:43:57 +0000 (20:43 +0000)]
Initial version of automake Makefile.am file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16885
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Brian Gaeke [Sun, 10 Oct 2004 20:34:17 +0000 (20:34 +0000)]
Fix assertion failure when calling or returning from a function which
returns 'bool' type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16884
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Brian Gaeke [Sun, 10 Oct 2004 19:57:21 +0000 (19:57 +0000)]
Implement eliminateCallFramePseudoInstr().
Wrap a long comment line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16883
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Brian Gaeke [Sun, 10 Oct 2004 19:57:20 +0000 (19:57 +0000)]
Model calls as *both* using *and* killing O0..O5, because callees use the
argument values passed in (so they're not dead until *after* the call),
and callees are free to modify those registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16882
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Brian Gaeke [Sun, 10 Oct 2004 19:57:18 +0000 (19:57 +0000)]
Fix whitespace and wrap some long lines.
Deal with allocating stack space for outgoing args and copying them into the
correct stack slots (at least, we can copy <=32-bit int args).
We now correctly generate ADJCALLSTACK* instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16881
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Reid Spencer [Sun, 10 Oct 2004 19:13:03 +0000 (19:13 +0000)]
Top level makefile for building LLVM with automake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16880
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Reid Spencer [Sun, 10 Oct 2004 19:09:33 +0000 (19:09 +0000)]
Ensure timestamp on saved contents of configure.ac is not changed.
Use correct options to automake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16879
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Chris Lattner [Sun, 10 Oct 2004 17:07:12 +0000 (17:07 +0000)]
Fix 2004-10-10-CastStoreOnce.llx, by adjusting types back if we strip off a cast
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16878
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Chris Lattner [Sun, 10 Oct 2004 17:06:09 +0000 (17:06 +0000)]
New testcase that crashes -globalopt. I found this through inspection, not
actually in the wild :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16877
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Chris Lattner [Sun, 10 Oct 2004 16:47:33 +0000 (16:47 +0000)]
Implement GlobalOpt/deadglobal-2.llx, deletion of globals that are only
stored to, but are stored at variable indexes. This occurs at least in
176.gcc, but probably others, and we should handle it for completeness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16876
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Chris Lattner [Sun, 10 Oct 2004 16:46:48 +0000 (16:46 +0000)]
New testcase we were not handling before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16875
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Chris Lattner [Sun, 10 Oct 2004 16:43:46 +0000 (16:43 +0000)]
Avoid calling use_size() which could (in theory) be expensive if the global
has a large number of users. Instead, just keep track of whether we're
making changes as we do so.
This patch has no functionlity changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16874
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Chris Lattner [Sun, 10 Oct 2004 16:26:13 +0000 (16:26 +0000)]
bling bling!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16873
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Chris Lattner [Sat, 9 Oct 2004 21:50:05 +0000 (21:50 +0000)]
A testcase that globalopt now handles
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16872
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Chris Lattner [Sat, 9 Oct 2004 21:48:45 +0000 (21:48 +0000)]
Eliminate global pointers that are only stored a single value and null if
we know that all uses of the global will trap if the pointer contained is
null. In this case, we forward substitute the stored value to any uses.
This has the effect of devirtualizing trivial globals in trivial cases. For
example, 164.gzip contains this:
gzip.h:extern int (*read_buf) OF((char *buf, unsigned size));
bits.c: read_buf = file_read;
deflate.c: lookahead = read_buf((char*)window,
deflate.c: n = read_buf((char*)window+strstart+lookahead, more);
Since read_buf has to point to file_read at every use, we just replace
the calls through read_buf with a direct call to file_read.
This occurs in several benchmarks, including 176.gcc and 164.gzip. Direct
calls are good and stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16871
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Chris Lattner [Sat, 9 Oct 2004 21:13:51 +0000 (21:13 +0000)]
Instead of silently breaking, print notification of why this doesn't work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16870
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Chris Lattner [Sat, 9 Oct 2004 19:37:02 +0000 (19:37 +0000)]
Fix grammaro
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16869
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Chris Lattner [Sat, 9 Oct 2004 19:30:36 +0000 (19:30 +0000)]
Use DEBUG instead of DebugFlag directly, as DebugFlag does not respect
-debug-only!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16868
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Chris Lattner [Sat, 9 Oct 2004 19:19:57 +0000 (19:19 +0000)]
It looks like we're not releasing 1.4 with llvm.org as the official domain
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16867
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Brian Gaeke [Sat, 9 Oct 2004 05:58:27 +0000 (05:58 +0000)]
update according to tonight's info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16866
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Brian Gaeke [Sat, 9 Oct 2004 05:57:01 +0000 (05:57 +0000)]
Implement getModuleMatchQuality and getJITMatchQuality so that v8 will be the
default 32/BE target on sparc hosts, and ppc will continue to be the default
on other hosts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16865
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Chris Lattner [Sat, 9 Oct 2004 03:32:52 +0000 (03:32 +0000)]
Fix infinite loop due to iteration
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16864
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Chris Lattner [Sat, 9 Oct 2004 02:50:40 +0000 (02:50 +0000)]
Implement sub.ll:test17, -X/C -> X/-C
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16863
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