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Author SHA1 Message Date
Reid Spencer
4c3cda9e95 Updated to reflect changes in the interface of TimeValue::now(). 
llvm-svn: 16515
 2004-09-25 08:32:37 +00:00
Reid Spencer
0dbad34203 Clean up the interface of TimeValue: 
- get rid of unneeded constructors
- get rid of duplicate methods/constructors/operators
- normalize to LLVM coding standards
- wrap to 80 columns.

Many thanks to Alkis Evlogimenos for his suggestions.

llvm-svn: 16514
 2004-09-25 08:29:54 +00:00
Reid Spencer
78e20a7f60 Added stub implementations of TimeValue concept for remaining platforms. 
llvm-svn: 16513
 2004-09-25 05:03:54 +00:00
Reid Spencer
07d5fa1312 Wrap to 80 cols. 
llvm-svn: 16512
 2004-09-25 05:03:22 +00:00
Reid Spencer
894f394594 Initial implementation of the TimeValue abstraction. 
llvm-svn: 16511
 2004-09-24 23:25:19 +00:00
John Criswell
8e633294c2 Updated the last two header files so that they are configured with 
AC_CONFIG_HEADERS.  This should prevent LLVM from needlessly re-compiling
on a re-configure.

llvm-svn: 16510
 2004-09-24 21:19:06 +00:00
John Criswell
bd7cfd3d74 Modified hash_map and hash_set configuration so that they are not 
regenerated on every run of configure.

llvm-svn: 16509
 2004-09-24 18:28:00 +00:00
Chris Lattner
9d4748d32d Implement shift-and combinations, implementing InstCombine/and.ll:test19-21 
These combinations trigger 4 times in povray, 7x in gcc, 4x in gap, and 2x in bzip2.

llvm-svn: 16508
 2004-09-24 15:21:34 +00:00
Chris Lattner
243761aade Add some tests for shr-and folding 
llvm-svn: 16507
 2004-09-24 15:18:43 +00:00
John Criswell
52263072bc Configure Datatypes.h.in with AC_CONFIG_HEADERS. This should prevent it 
from being re-generated if the new version is identical to the old version.
Hence, it should save us some recompiling after re-configures.

llvm-svn: 16506
 2004-09-24 13:28:51 +00:00
Chris Lattner
7e603bfc67 Move LHSI->hasOneUse() into the arms of the conditional, reindenting code. 
No functionality changes here.

llvm-svn: 16505
 2004-09-23 21:52:49 +00:00
Chris Lattner
00ea30c3c5 Implement Transforms/InstCombine/and.ll:test18, a case that occurs 20 times 
in perlbmk

llvm-svn: 16504
 2004-09-23 21:46:38 +00:00
Chris Lattner
e317436053 New testcase for a pattern that occurs 20 times in perlbmk 
llvm-svn: 16503
 2004-09-23 21:42:49 +00:00
Reid Spencer
0ab7446879 Add a blurb about the use of class vs. struct keyword in class decls. 
llvm-svn: 16500
 2004-09-23 16:03:48 +00:00
Chris Lattner
6409a166e8 Implement select.ll:test16: fold load (select C, X, null) -> load X 
llvm-svn: 16499
 2004-09-23 15:46:00 +00:00
Chris Lattner
e9a2c15dac load null is undefined behavior, this should fold 
llvm-svn: 16498
 2004-09-23 15:45:20 +00:00
Reid Spencer
67f6472f19 Change Value from a "struct" to a "class" so that VC 7.1 doesn't generate 
missing symbols when its referenced as a class.

llvm-svn: 16496
 2004-09-23 14:49:45 +00:00
Reid Spencer
6210b04509 Patch for MINGW. Patch provided by Henrik Bach. 
llvm-svn: 16495
 2004-09-23 14:47:10 +00:00
Reid Spencer
0e05a38c6a Missed one $*.a -> $@ conversion for the Release build. 
llvm-svn: 16494
 2004-09-23 06:07:24 +00:00
Nate Begeman
75f0d35dc6 Fix the last of the major PPC GEP folding deficiencies. This will allow 
the ISel to use indexed and non-zero immediate offsets for GEPs that have
more than one use.  This is common for instruction sequences such as a load
followed by a modify and store to the same address.

llvm-svn: 16493
 2004-09-23 05:31:33 +00:00
Alkis Evlogimenos
4830449e7d Update email address 
llvm-svn: 16492
 2004-09-23 04:39:30 +00:00
Chris Lattner
29e72ea4be Grrr... I shouldn't have to do this one :) 
llvm-svn: 16491
 2004-09-23 04:36:01 +00:00
Chris Lattner
5c43684ca2 Update credits 
llvm-svn: 16490
 2004-09-23 04:30:05 +00:00
Reid Spencer
4961a0c269 Correct the rules for making shared libraries per libtool 1.5.10 
llvm-svn: 16489
 2004-09-23 00:58:06 +00:00
Misha Brukman
a59d95f2ed Use the V8/V9 shared register file description 
llvm-svn: 16485
 2004-09-22 21:48:50 +00:00
Misha Brukman
72c0988b77 Combine the F2 and F3 instruction classes into one file for simplicity 
llvm-svn: 16484
 2004-09-22 21:38:42 +00:00
Misha Brukman
5290581b39 Fix file header path 
llvm-svn: 16483
 2004-09-22 21:29:12 +00:00
Misha Brukman
3f8390a72f Prettify formatting of the file, adjust paths to making V8 a subdir of Sparc 
llvm-svn: 16482
 2004-09-22 20:09:29 +00:00
Misha Brukman
f8a2aee058 V8 is now a subdirectory of Sparc; adjust paths accordingly 
llvm-svn: 16481
 2004-09-22 20:08:52 +00:00
Reid Spencer
8304ac75a2 Update to add the HAVE_UINT64_T test and the STACK_DIRECTION indicator. 
llvm-svn: 16480
 2004-09-22 15:32:08 +00:00
Reid Spencer
182e31bdc5 The alloca function, strangely enough, is found in the malloc.h header file 
on MINGW platform. Provide an #elseif case to #include malloc.h for this
platform if malloc.h is found.

Patch provided by Henrik Bach. Thanks Henrik!

llvm-svn: 16479
 2004-09-22 15:28:32 +00:00
Nate Begeman
61d1797c03 add optimized code sequences for setcc x, 0 
llvm-svn: 16478
 2004-09-22 04:40:25 +00:00
Chris Lattner
537636bb55 Do not fold (X + C1 != C2) if there are other users of the add. Doing 
this transformation used to take a loop like this:

int Array[1000];
void test(int X) {
  int i;
  for (i = 0; i < 1000; ++i)
    Array[i] += X;
}

Compiled to LLVM is:

no_exit:                ; preds = %entry, %no_exit
        %indvar = phi uint [ 0, %entry ], [ %indvar.next, %no_exit ]            ; <uint> [#uses=2]
        %tmp.4 = getelementptr [1000 x int]* %Array, int 0, uint %indvar                ; <int*> [#uses=2]
        %tmp.7 = load int* %tmp.4               ; <int> [#uses=1]
        %tmp.9 = add int %tmp.7, %X             ; <int> [#uses=1]
        store int %tmp.9, int* %tmp.4
***     %indvar.next = add uint %indvar, 1              ; <uint> [#uses=2]
***     %exitcond = seteq uint %indvar.next, 1000               ; <bool> [#uses=1]
        br bool %exitcond, label %return, label %no_exit

and turn it into a loop like this:

no_exit:                ; preds = %entry, %no_exit
        %indvar = phi uint [ 0, %entry ], [ %indvar.next, %no_exit ]            ; <uint> [#uses=3]
        %tmp.4 = getelementptr [1000 x int]* %Array, int 0, uint %indvar                ; <int*> [#uses=2]
        %tmp.7 = load int* %tmp.4               ; <int> [#uses=1]
        %tmp.9 = add int %tmp.7, %X             ; <int> [#uses=1]
        store int %tmp.9, int* %tmp.4
***     %indvar.next = add uint %indvar, 1              ; <uint> [#uses=1]
***     %exitcond = seteq uint %indvar, 999             ; <bool> [#uses=1]
        br bool %exitcond, label %return, label %no_exit

Note that indvar.next and indvar can no longer be coallesced.  In machine
code terms, this patch changes this code:

.LBBtest_1:     # no_exit
        mov %EDX, OFFSET Array
        mov %ESI, %EAX
        add %ESI, DWORD PTR [%EDX + 4*%ECX]
        mov %EDX, OFFSET Array
        mov DWORD PTR [%EDX + 4*%ECX], %ESI
        mov %EDX, %ECX
        inc %EDX
        cmp %ECX, 999
        mov %ECX, %EDX
        jne .LBBtest_1  # no_exit

into this:

.LBBtest_1:     # no_exit
        mov %EDX, OFFSET Array
        mov %ESI, %EAX
        add %ESI, DWORD PTR [%EDX + 4*%ECX]
        mov %EDX, OFFSET Array
        mov DWORD PTR [%EDX + 4*%ECX], %ESI
        inc %ECX
        cmp %ECX, 1000
        jne .LBBtest_1  # no_exit

We need better instruction selection to get this:

.LBBtest_1:     # no_exit
        add DWORD PTR [Array + 4*%ECX], EAX
        inc %ECX
        cmp %ECX, 1000
        jne .LBBtest_1  # no_exit

... but at least there is less register juggling

llvm-svn: 16473
 2004-09-21 21:35:23 +00:00
Alkis Evlogimenos
3f8f30bcb8 The real x87 floating point registers should not be allocatable. They 
are only used by the stackifier when transforming FPn register
allocations to the real stack file x87 registers.

llvm-svn: 16472
 2004-09-21 21:22:11 +00:00
Misha Brukman
bd9f406b0b s/ISel/PPC64ISel/ to have unique class names for debugging via gdb because the 
C++ front-end in gcc does not mangle classes in anonymous namespaces correctly.

llvm-svn: 16471
 2004-09-21 18:22:33 +00:00
Misha Brukman
6ad6dd2ab9 s/ISel/PPC32ISel/ to have unique class names for debugging via gdb because the 
C++ front-end in gcc does not mangle classes in anonymous namespaces correctly.

llvm-svn: 16470
 2004-09-21 18:22:19 +00:00
Misha Brukman
e877aacbaa s/ISel/X86ISel/ to have unique class names for debugging via gdb because the C++ 
front-end in gcc does not mangle classes in anonymous namespaces correctly.

llvm-svn: 16469
 2004-09-21 18:21:21 +00:00
Chris Lattner
55d0f3ae97 Make sure to set the operand list 
llvm-svn: 16466
 2004-09-21 17:30:54 +00:00
Reid Spencer
645c405a6d Fix a problem where the mmap_file test was generating an incorrect test 
program that always failed (wouldn't compile).

llvm-svn: 16465
 2004-09-21 17:14:44 +00:00
Reid Spencer
c8ea59b3c7 Change the warning text so that NO warnings are permitted. This is now the 
case since the AC_CONFIG_SUBDIRS problem has been fixed.

llvm-svn: 16464
 2004-09-21 17:13:23 +00:00
Reid Spencer
5c162ec83c Don't attempt to (illegally) configure a subdir if we don't recognize it. 
Instead just create a warning message that says the directory cannot be
configured because it isn't recognized. This also gets rid of a bunch of
warning messages from the auto* tools.

llvm-svn: 16463
 2004-09-21 17:12:35 +00:00
Reid Spencer
c90eff97f7 Fix the program passed to AC_LANG_PROGRAM to be only the BODY of the main 
function, not the whole main function. This problem resulted during
conversion of scripts to the new autoconf standard. The effect was that
the mmap_file test would fail and if it does there is currently an
#ifdef'd #error that causes compilation to fail. Bad, bad, bad.

llvm-svn: 16462
 2004-09-21 17:10:52 +00:00
Misha Brukman
0559022175 Thanks to Brad Jones for packed type support! 
llvm-svn: 16461
 2004-09-21 16:54:37 +00:00
Misha Brukman
03b712dfcc Thanks to Brad for documentation on adding a DerivedType 
llvm-svn: 16460
 2004-09-21 16:53:29 +00:00
Chris Lattner
424098cc84 This is an empty directory 
llvm-svn: 16459
 2004-09-21 16:26:13 +00:00
Chris Lattner
81eb16dd40 This is a dead directory now 
llvm-svn: 16458
 2004-09-21 16:25:41 +00:00
Reid Spencer
cfb05261bc Change the name of the "known" module for Java from llvm-java to Java. 
llvm-svn: 16453
 2004-09-20 22:14:56 +00:00
Alkis Evlogimenos
09eb7928db Use the right directory for the Java frontend 
llvm-svn: 16448
 2004-09-20 15:45:36 +00:00
Chris Lattner
b64bfebc25 Fix potential miscompilations: InstCombine/2004-09-20-BadLoadCombine*.llx 
llvm-svn: 16447
 2004-09-20 10:15:10 +00:00
Chris Lattner
258a4d3c8c Two testcases for invalid transformations that instcombine is doing 
llvm-svn: 16446
 2004-09-20 10:14:27 +00:00