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Author SHA1 Message Date
Chris Lattner
11a3d7b7dd Argument promotion transforms functions to unconditionally load their 
argument pointers.  This is only valid to do if the function already
unconditionally loaded an argument or if the pointer passed in is known
to be valid.  Make sure to do the required checks.

This fixed ArgumentPromotion/control-flow.ll and the Burg program.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17718 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 23:31:34 +00:00
Chris Lattner
32e7a80cdb Add a testcase we should continue to argpromote 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17717 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 23:30:22 +00:00
Chris Lattner
78d223e1fb Add a testcase for a function we cannot legally promote the argument of. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17716 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 23:28:39 +00:00
Chris Lattner
e6c745261e Add useful method, minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17715 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 23:28:10 +00:00
Chris Lattner
4b2c09fa22 Don't print unneeded labels 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17714 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 23:27:11 +00:00
Tanya Lattner
c7185ac36a Run prcontext.tcl with tclsh and let it be found in the path. This should be found by configure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17713 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 23:16:17 +00:00
Tanya Lattner
28b372f1d3 Adding subdirectory dg.exp files in order to be able to use dejagnu to only run specific tests (located in some subdirectory of Regression) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17712 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 23:00:45 +00:00
Tanya Lattner
de942dc12d Changed to use tcl script. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17711 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 22:55:51 +00:00
Chris Lattner
4394d51467 Hack around stupidity in GCC, fixing Burg with the CBE and 
CBackend/2004-11-13-FunctionPointerCast.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17710 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 22:21:56 +00:00
Chris Lattner
8408d0be90 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17709 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 22:21:15 +00:00
Tanya Lattner
4913cdcc37 Rewrote prcontext.py in tcl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17708 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 21:03:22 +00:00
Chris Lattner
ce7cafa960 shld is a very high latency operation. Instead of emitting it for shifts of 
two or three, open code the equivalent operation which is faster on athlon
and P4 (by a substantial margin).

For example, instead of compiling this:

long long X2(long long Y) { return Y << 2; }

to:

X3_2:
        movl 4(%esp), %eax
        movl 8(%esp), %edx
        shldl $2, %eax, %edx
        shll $2, %eax
        ret

Compile it to:

X2:
        movl 4(%esp), %eax
        movl 8(%esp), %ecx
        movl %eax, %edx
        shrl $30, %edx
        leal (%edx,%ecx,4), %edx
        shll $2, %eax
        ret

Likewise, for << 3, compile to:

X3:
        movl 4(%esp), %eax
        movl 8(%esp), %ecx
        movl %eax, %edx
        shrl $29, %edx
        leal (%edx,%ecx,8), %edx
        shll $3, %eax
        ret

This matches icc, except that icc open codes the shifts as adds on the P4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17707 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 20:48:57 +00:00
Chris Lattner
62f5a9402c Add missing check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17706 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 20:04:38 +00:00
Chris Lattner
44205cadba Compile: 
long long X3_2(long long Y) { return Y+Y; }
int X(int Y) { return Y+Y; }

into:

X3_2:
        movl 4(%esp), %eax
        movl 8(%esp), %edx
        addl %eax, %eax
        adcl %edx, %edx
        ret
X:
        movl 4(%esp), %eax
        addl %eax, %eax
        ret

instead of:

X3_2:
        movl 4(%esp), %eax
        movl 8(%esp), %edx
        shldl $1, %eax, %edx
        shll $1, %eax
        ret

X:
        movl 4(%esp), %eax
        shll $1, %eax
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17705 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 20:03:48 +00:00
Chris Lattner
50af16a97b Simplify handling of shifts to be the same as we do for adds. Add support 
for (X * C1) + (X * C2) (where * can be mul or shl), allowing us to fold:

   Y+Y+Y+Y+Y+Y+Y+Y

into
         %tmp.8 = shl long %Y, ubyte 3           ; <long> [#uses=1]

instead of

        %tmp.4 = shl long %Y, ubyte 2           ; <long> [#uses=1]
        %tmp.12 = shl long %Y, ubyte 2          ; <long> [#uses=1]
        %tmp.8 = add long %tmp.4, %tmp.12               ; <long> [#uses=1]

This implements add.ll:test25

Also add support for (X*C1)-(X*C2) -> X*(C1-C2), implementing sub.ll:test18


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17704 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 19:50:12 +00:00
Chris Lattner
706759e8c9 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17703 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 19:49:39 +00:00
Chris Lattner
f17ffcce18 Add support for shifts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17702 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 19:32:45 +00:00
Chris Lattner
65aedc1a4e Fold: 
(X + (X << C2)) --> X * ((1 << C2) + 1)
   ((X << C2) + X) --> X * ((1 << C2) + 1)

This means that we now canonicalize "Y+Y+Y" into:

        %tmp.2 = mul long %Y, 3         ; <long> [#uses=1]

instead of:

        %tmp.10 = shl long %Y, ubyte 1          ; <long> [#uses=1]
        %tmp.6 = add long %Y, %tmp.10               ; <long> [#uses=1]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17701 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 19:31:40 +00:00
Chris Lattner
0c3b390a54 Lazily create the abort message, so only translation units that use unwind 
will actually get it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17700 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 19:07:32 +00:00
Chris Lattner
9ecc046184 Fix: CodeExtractor/2004-11-12-InvokeExtract.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17699 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 00:06:45 +00:00
Chris Lattner
8de2da4105 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17698 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 00:06:32 +00:00
Chris Lattner
68c311aac6 Fix a bug where the code extractor would get a bit confused handling invoke 
instructions, setting DefBlock to a block it did not have dom info for.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17697 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-12 23:50:44 +00:00
Chris Lattner
44c94b9671 Simplify handling of constant initializers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17696 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-12 22:42:57 +00:00
Reid Spencer
5c911ab6f1 Makefile for lib/Linker 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17695 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-12 20:38:45 +00:00
Reid Spencer
7f49602e5a This file originated in lib/VMCore/Linker.cpp but now lives in 
lib/Linker/LinkModules.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17694 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-12 20:37:43 +00:00
Reid Spencer
c408c45900 This file originated in tools/gccld/Linker.cpp but now lives in 
lib/Linker/LinkArchives.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17693 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-12 20:34:32 +00:00
Reid Spencer
12d7951d04 * Clean up all the shared library output on uninstall 
* Provide the correct set of input directories to the TAGS target
* Provide a CTAGS target for building Vi style ctags files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17688 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-12 02:27:36 +00:00
Reid Spencer
37d813db7a Document the new llvm-ranlib command. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17687 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-12 00:18:35 +00:00
Reid Spencer
2152cca341 Correctly terminate a list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17686 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-12 00:16:51 +00:00
Reid Spencer
742ecbc90f Document the modifiers and the file format. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17685 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-12 00:15:43 +00:00
Chris Lattner
04252fed78 Make this build in release mode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17684 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-11 22:11:17 +00:00
Reid Spencer
0aa189949c Add llvm-ar to the index. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17682 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-11 09:30:00 +00:00
Reid Spencer
e26ed7a56a First attempt at llvm-ar documentation. Modifiers need a little more 
explanation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17681 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-11 09:21:18 +00:00
Chris Lattner
d79c7b43f4 Actually, leave the check in. This prevents us from counting dead arguments 
as IPCP opportunities.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17680 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-11 07:47:54 +00:00
Chris Lattner
3e062eacab Fix bug: IPConstantProp/deadarg.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17679 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-11 07:46:29 +00:00
Chris Lattner
1f7893fe05 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17678 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-11 07:46:11 +00:00
Reid Spencer
7863c404ee Fix documentation for Makefile target name change. install-bytecode is now 
just "install" in the runtime directory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17677 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-11 07:30:27 +00:00
Chris Lattner
ff1529b6cf Make IP Constant prop more aggressive about handling self recursive calls. 
This implements IPConstantProp/recursion.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17666 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-10 19:43:59 +00:00
Chris Lattner
6285016014 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17665 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-10 19:43:31 +00:00
John Criswell
546faca4ef Correct the name of stosd for the AT&T syntax: 
It's stosl (l for long == 32 bit).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17658 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-10 04:48:15 +00:00
Chris Lattner
c890bfe1da Do not let dead constant expressions hanging off of functions prevent IPCP. 
This allows to elimination of a bunch of global pool descriptor args from
programs being pool allocated (and is also generally useful!)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17657 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 20:47:30 +00:00
Reid Spencer
8ee9da05ed Provide conversion from posix time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17656 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 20:29:10 +00:00
Reid Spencer
4b82681c65 Fix isBytecodeFile to correctly recognized compressed bytecode too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17655 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 20:27:23 +00:00
Reid Spencer
9195f37c5f * Implement getStatusInfo for getting stat(2) like information 
* Implement createTemporaryFile for mkstemp(3) functionality
* Fix isBytecodeFile to accept llvc magic # (compressed) as bytecode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17654 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 20:26:31 +00:00
Reid Spencer
31391b6792 Make sure llee can deal with compressed bytecode too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17652 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 20:21:25 +00:00
John Criswell
b5810282ee Recognize compressed LLVM bytecode files. 
This should fix the problem of not being able to link compressed LLVM
bytecode files from LLVM libraries.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17648 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 19:37:07 +00:00
Reid Spencer
580a1164d8 Tune compression: 
bzip2: block size 9 -> 5, reduces memory by 400Kbytes, doesn't affect speed
       or compression ratio on all but the largest bytecode files (>1MB)
zip:   level 9 -> 6, this speeds up compression time by ~30% but only
       degrades the compressed size by a few bytes per megabyte. Those few
       bytes aren't worth the effort.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17647 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 17:58:09 +00:00
Chris Lattner
a8e475093a Change this back so that I get stable numbers to reflect the change from the 
nightly testers


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17646 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 08:05:23 +00:00
Reid Spencer
8db573e190 Document quick-test target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17644 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 06:32:58 +00:00
Reid Spencer
ed8c089469 Add a quick-test target that uses QUICKTEST variable to quickly run a 
portion of the test suite. e.g.:

make quck-test QUICKTEST=Regression/Bytecode


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17643 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 06:28:32 +00:00