Commit Graph

11416 Commits

Author SHA1 Message Date
Chris Lattner
39387a5c93 Handle allocations that, even after removing dead uses, still have more than
one use (but one is a cast).  This handles the very common case of:

 X = alloc [n x byte]
 Y = cast X to somethingbetter
 seteq X, null

In order to avoid infinite looping when there are multiple casts, we only
allow this if the xform is strictly increasing the alignment of the
allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23961 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 06:35:18 +00:00
Chris Lattner
18e78bb09e Fix a bug where we would 'promote' an allocation from one type to another
where the second has less alignment required.  If we had explicit alignment
support in the IR, we could handle this case, but we can't until we do.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23960 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 06:26:18 +00:00
Chris Lattner
b53c2382a9 Before promoting a malloc type, remove dead uses. This makes instcombine
more effective at promoting these allocations, catching them earlier in the
compile process.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23959 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 06:22:12 +00:00
Chris Lattner
b3f8397a3d Pull some code out into a function, no functionality change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23958 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 06:03:58 +00:00
Chris Lattner
02d608bd5f Make this build with GCC 4.1, patch contributed by Vladimir A. Merzliakov!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23956 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 04:51:35 +00:00
Chris Lattner
8a6cd98e96 Alkis agrees that that iterative scan allocator isn't going to be worked on
in the future, remove it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23952 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 04:14:30 +00:00
Chris Lattner
f941a0fe6c Remove this pass, it is not useful
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23949 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:35:43 +00:00
Chris Lattner
d00a3cee80 Remove some beta code that no longer has an owner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23944 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:32:41 +00:00
Chris Lattner
a66459095c Do not build the ProfilePaths directory anymore
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23943 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:31:49 +00:00
Chris Lattner
f36aeedaa3 DONT_BUILD_RELINKED is gone and implied by BUILD_ARCHIVE now
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23940 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:26:13 +00:00
Chris Lattner
aa9b596c5d only build .a version of this library
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23938 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:14:49 +00:00
Chris Lattner
e3242e2392 Only build .a file versions of these libraries, instead of .a and .o versions.
This should speed up build times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23937 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:11:51 +00:00
Chris Lattner
635df00b02 There is no need to build an archive version of this library
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23936 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:09:03 +00:00
Chris Lattner
11686f1c07 This file is hopelessly out of date
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23935 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:07:08 +00:00
Chris Lattner
b72bfd71aa Only build .a file versions of these libraries, instead of .a and .o versions.
This should speed up build times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23934 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:05:35 +00:00
Chris Lattner
ab0ed3592b Only build .a file versions of these libraries, instead of .a and .o versions.
This should speed up build times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23933 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 01:59:48 +00:00
Chris Lattner
492d4a9d84 Make sure that anything using the ADCE pass pulls in the UnifyFunctionExitNodes
code


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23931 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 01:40:23 +00:00
Chris Lattner
83753937a6 don't bother building the archive version of this library
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23927 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 01:08:20 +00:00
Chris Lattner
4fb1b21b31 expose a ctor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23924 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 01:00:45 +00:00
Chris Lattner
6d796238b2 implement some prototypes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23920 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 00:38:38 +00:00
Chris Lattner
25d196880b move this to the analyze tool
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23918 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 00:27:36 +00:00
Chris Lattner
3db4b62c2f Fix a nasty bug that was causing miscompilation of global variables
on big endian 32-bit targets in some cases (e.g. PPC).  This fixes several
PPC JIT failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23914 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 23:54:56 +00:00
Chris Lattner
667eeca19d Shrinkify to match llc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23912 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 22:39:01 +00:00
Chris Lattner
2224dcc88c Simplify this, matching changes in the tblgen emitter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23909 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 22:34:25 +00:00
Chris Lattner
8ec9f331d2 Simplify this due to changes in the tblgen side
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23908 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 22:33:22 +00:00
Chris Lattner
aa38be17c8 mark this as beta
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23906 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 22:23:45 +00:00
Chris Lattner
3e808a45b3 If a user requests help, give them help on both features and processors
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23905 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 22:23:13 +00:00
Chris Lattner
ed465f5407 Autogen subtarget information from .td files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23904 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 22:15:34 +00:00
Chris Lattner
5882e40ded Add subtarget feature/processor defns to the .td file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23903 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 22:08:45 +00:00
Chris Lattner
c8d28890f6 rearrange things a bit so that instructions can use subtarget features in the
future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23902 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 22:08:13 +00:00
Chris Lattner
f690e6f3f6 add a marker
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23901 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 22:07:20 +00:00
Chris Lattner
ffff6175ef add a note that Nate mentioned last week
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23898 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 21:44:59 +00:00
Chris Lattner
1171ff4fd7 Put some of my random notes somewhere public
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23897 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 19:52:42 +00:00
Chris Lattner
ba76c21858 Improve help output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23893 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 05:33:39 +00:00
Chris Lattner
2e1f823aed improve -help output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23892 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 05:28:51 +00:00
Chris Lattner
54195c1a9d Move static functions from .h file, reduce #includes, pass strings by const&,
use LowercaseString from StringExtras.h, remove extraneous space from help
output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23891 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 05:26:26 +00:00
Jeff Cohen
66c5fd6c53 When a function takes a variable number of pointer arguments, with a zero
pointer marking the end of the list, the zero *must* be cast to the pointer
type.  An un-cast zero is a 32-bit int, and at least on x86_64, gcc will
not extend the zero to 64 bits, thus allowing the upper 32 bits to be
random junk.

The new END_WITH_NULL macro may be used to annotate a such a function
so that GCC (version 4 or newer) will detect the use of un-casted zero
at compile time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23888 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 04:37:20 +00:00
Andrew Lenharth
8b7f14e970 Add several things.
loads
branches
setcc
working calls
Global address
External addresses

now I can manage malloc calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23887 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 03:43:48 +00:00
Andrew Lenharth
2a2de66db2 add TargetExternalSymbol
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23886 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 03:40:17 +00:00
Andrew Lenharth
756fbeb905 Well, the Constant matching pattern works. Can't say much about calls or globals yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23884 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-22 22:06:58 +00:00
Chris Lattner
5ef4d8dd6d This file is entirely ifdef'd out
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23882 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-22 19:37:08 +00:00
Chris Lattner
e9936d14b8 BuildSDIV and BuildUDIV only work for i32/i64, but they don't check that
the input is that type, this caused a failure on gs on X86 last night.
Move the hard checks into Build[US]Div since that is where decisions like
this should be made.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23881 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-22 18:50:15 +00:00
Jim Laskey
5476b9bfce Add g3 back to the mix and reorder to irritate them anal folk. Actually, it's
to group appropriately and provide cues to maintainers that the lists don't
need to be ordered.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23880 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-22 08:04:24 +00:00
Chris Lattner
4245f1d790 64-bit reg support should not be enabled by default, as support isn't complete.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23878 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 22:15:43 +00:00
Chris Lattner
c8597ca698 add a case missing from the dag combiner that exposed the failure on
2005-10-21-longlonggtu.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23875 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 21:23:25 +00:00
Chris Lattner
dabb8291e8 Instead of aborting if not a case we can handle specially, break out and
let the generic code handle it.  This fixes CodeGen/Generic/2005-10-21-longlonggtu.ll on ppc.

also, reindent this code


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23874 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 21:17:10 +00:00
Jim Laskey
f5fc2cbd6b Plugin new subtarget backend into the build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23870 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 19:05:19 +00:00
Chris Lattner
d2fc54edc4 silence a release mode warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23868 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 16:01:26 +00:00
Chris Lattner
aa51a484e1 Make the coallescer a bit smarter, allowing it to join more live ranges.
For example, we can now join things like [0-30:0)[31-40:1)[52-59:2)
with [40:60:0) if the 52-59 range is defined by a copy from the 40-60 range.
The resultant range ends up being [0-30:0)[31-60:1).

This fires a lot through-out the test suite (e.g. shrinking bc from
19492 -> 18509 machineinstrs) though most gains are smaller (e.g. about
50 copies eliminated from crafty).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23866 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 06:49:50 +00:00
Chris Lattner
9e20d352c2 Fix LiveInterval::getOverlapingRanges to take things in the right order
(an unused method).

Fix the merger so that it can merge ranges like this  [10:12)[16:40) with
[12:38) into [10:40) instead of bogus ranges.  This sort of input will be
possible for the merger coming shortly


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23865 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 06:41:30 +00:00