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Author SHA1 Message Date
Chris Lattner
adb669ab1f Codegen this: 
int %foo(int %X) {
        %T = add int %X, 13
        %S = mul int %T, 3
        ret int %S
}

as this:

        mov %ECX, DWORD PTR [%ESP + 4]
        lea %EAX, DWORD PTR [%ECX + 2*%ECX + 39]
        ret

instead of this:

        mov %ECX, DWORD PTR [%ESP + 4]
        mov %EAX, %ECX
        add %EAX, 13
        imul %EAX, %EAX, 3
        ret

llvm-svn: 19633
 2005-01-17 06:48:02 +00:00
Tanya Lattner
5a10531cf8 Added tmp instructions to preserve ssa. 
llvm-svn: 19632
 2005-01-17 06:47:26 +00:00
Chris Lattner
51590b615c Fix test/Regression/CodeGen/X86/2005-01-17-CycleInDAG.ll and 132.ijpeg. 
Do not fold a load into an operation if it will induce a cycle in the DAG.

Repeat after me: dAg.

llvm-svn: 19631
 2005-01-17 06:26:58 +00:00
Chris Lattner
a5f6a52471 New testcase for a problem that occurred in 132.ijpeg 
llvm-svn: 19630
 2005-01-17 06:25:59 +00:00
Chris Lattner
3402945d52 Delete PHI nodes that are not dead but are locked in a cycle of single 
useness.

llvm-svn: 19629
 2005-01-17 05:10:15 +00:00
Chris Lattner
de6b1ca556 Move code out of indentation one level to make it easier to read. 
Disable the xform for < > cases.  It turns out that the following is being
miscompiled:

bool %test(sbyte %S) {
        %T = cast sbyte %S to uint
        %V = setgt uint %T, 255
        ret bool %V
}

llvm-svn: 19628
 2005-01-17 03:20:02 +00:00
Chris Lattner
783a9d8893 Add methods 
llvm-svn: 19627
 2005-01-17 02:24:59 +00:00
Chris Lattner
f1e85bec5a Do not fold a load into a comparison that is used by more than one place. 
The comparison will probably be folded, so this is not ok to do.
This fixed 197.parser.

llvm-svn: 19624
 2005-01-17 01:34:14 +00:00
Reid Spencer
603b94aed8 sysconfdir -> PROJ_etcdir 
llvm-svn: 19623
 2005-01-17 00:42:31 +00:00
Chris Lattner
1b8c8fe020 Do not codegen 'xor bool, true' as 'not reg'. not reg inverts the upper bits 
of the bytereg.  This fixes yacr2, 300.twolf and probably others.

llvm-svn: 19622
 2005-01-17 00:23:16 +00:00
Chris Lattner
6d7f927699 Fix typos noticed by Gabor Greif, thanks Gabor! 
llvm-svn: 19621
 2005-01-17 00:12:04 +00:00
Chris Lattner
46dac4394c Set up the shift and setcc types. 
If we emit a load because we followed a token chain to get to it, try to
fold it into its single user if possible.

llvm-svn: 19620
 2005-01-17 00:00:33 +00:00
Chris Lattner
4c88cc95ee Shift and setcc types default to the pointer type. 
llvm-svn: 19619
 2005-01-16 23:59:48 +00:00
Chris Lattner
8dd332e4e5 Add comments 
Add fields to hold the result type of setcc operations and shift amounts.

llvm-svn: 19618
 2005-01-16 23:59:30 +00:00
Chris Lattner
ec55e3e529 Implement legalize of call nodes. 
llvm-svn: 19617
 2005-01-16 19:46:48 +00:00
Alkis Evlogimenos
5d7bd7411a Fix llvm-java project autconfiguration. 
llvm-svn: 19616
 2005-01-16 09:44:58 +00:00
Tanya Lattner
fea188af7e Added paramters to a few functions in order to allow me to change the functions to preserve SSA 
llvm-svn: 19615
 2005-01-16 08:51:10 +00:00
Chris Lattner
9ffc59287e * Adjust to changes in TargetLowering interfaces. 
* Remove custom promotion for bool and byte select ops.  Legalize now
  promotes them for us.
* Allow folding ConstantPoolIndexes into EXTLOAD's, useful for float immediates.
* Declare which operations are not supported better.
* Add some hacky code for TRUNCSTORE to pretend that we have truncstore
  for i16 types.  This is useful for testing promotion code because I can
  just remove 16-bit registers all together and verify that programs work.

llvm-svn: 19614
 2005-01-16 07:34:08 +00:00
Chris Lattner
0eca430af1 Revamp supported ops. Instead of just being supported or not, we now keep 
track of how to deal with it, and provide the target with a hook that they
can use to legalize arbitrary operations in arbitrary ways.

Implement custom lowering for a couple of ops, implement promotion for select
operations (which x86 needs).

llvm-svn: 19613
 2005-01-16 07:29:19 +00:00
Chris Lattner
835a5efef3 add method stub 
llvm-svn: 19612
 2005-01-16 07:28:41 +00:00
Chris Lattner
907534af24 Don't mash stuff together. 
llvm-svn: 19611
 2005-01-16 07:28:31 +00:00
Chris Lattner
b49d2a7b0f Use enums, move virtual dtor out of line. 
llvm-svn: 19610
 2005-01-16 07:28:11 +00:00
Chris Lattner
e38f72316d Revamp supported ops. Instead of just being supported or not, we now keep 
track of how to deal with it, and provide the target with a hook that they
can use to legalize arbitrary operations in arbitrary ways.

llvm-svn: 19609
 2005-01-16 07:27:49 +00:00
Reid Spencer
cf01eefc07 * Revise the projects section and make reference to Projects.html 
* the dist-clean target no longer implies a check

llvm-svn: 19608
 2005-01-16 07:18:31 +00:00
Reid Spencer
5bf1026416 Don't confuse the LLVM_OBJ_DIR and the PROJ_OBJ_DIR because there might be 
a symbolic link making the autoconf name for the directory (LLVM_OBJ_ROOT)
and the "make" name for the directory (PROJ_OBJ_ROOT) different.

llvm-svn: 19607
 2005-01-16 06:53:48 +00:00
Chris Lattner
0f4f239899 Implement some more missing promotions. 
llvm-svn: 19606
 2005-01-16 05:06:12 +00:00
Chris Lattner
e88e660817 Fix bugpoint 
llvm-svn: 19605
 2005-01-16 04:23:22 +00:00
Chris Lattner
be2a427f51 cycles_t -> CycleCount_t 
llvm-svn: 19604
 2005-01-16 04:20:30 +00:00
Jeff Cohen
5971039a26 Add some .cvsignores to the win32 hierarchy to account for generated files 
llvm-svn: 19603
 2005-01-16 03:18:23 +00:00
Reid Spencer
5d058e0ec8 Provide support for HP/UX aCC compiler's variant of hash_map and hash_set 
(RogueWave). These are implemented in rw/stdex/hash_map.h and
rw/stdex/hash_set.h on HP/UX.

llvm-svn: 19600
 2005-01-16 02:58:39 +00:00
Reid Spencer
7ca6d9a743 Fix locations of libraries and executables to match makefiles. 
llvm-svn: 19599
 2005-01-16 02:38:06 +00:00
Reid Spencer
9f8c7b0720 BUILD_* to PROJ_* 
llvm-svn: 19598
 2005-01-16 02:35:47 +00:00
Chris Lattner
742b77f9af Clarify assertion. 
llvm-svn: 19597
 2005-01-16 02:23:34 +00:00
Chris Lattner
4517b8af97 Add assertions. 
llvm-svn: 19596
 2005-01-16 02:23:22 +00:00
Chris Lattner
9f8589f4b3 Add support for promoted registers being live across blocks. 
llvm-svn: 19595
 2005-01-16 02:23:07 +00:00
Reid Spencer
25e0c1e8d7 Update per new Makefile requirements for projects 
llvm-svn: 19594
 2005-01-16 02:21:42 +00:00
Reid Spencer
afa1cb9e11 Rename BUILD_* to PROJ_* 
llvm-svn: 19592
 2005-01-16 02:21:29 +00:00
Reid Spencer
e928014032 Update documentation on how to set up a project 
llvm-svn: 19591
 2005-01-16 02:21:18 +00:00
Reid Spencer
4ce9f4ecc8 Several changes: 
* Rename BUILD_* to PROJ_*
* Differentiate between LLVM's Makefile.conf and the project's
* Use project specific install locations

llvm-svn: 19590
 2005-01-16 02:20:54 +00:00
Reid Spencer
bf9b4a1a2a Several changes: 
* Get rid of variables that are duplicates of autoconf variables.
* Rename BUILD_* to PROJ_*
* Define some project related install locations
* Don't assume LLVM's configured values are the project's

llvm-svn: 19589
 2005-01-16 02:20:42 +00:00
Reid Spencer
bf8f3f5e13 Make this file capable of being used by both LLVM and its projects 
llvm-svn: 19588
 2005-01-16 02:20:30 +00:00
Tanya Lattner
66cf1a6f82 Fixed a couple of instructions that broke SSA. 
llvm-svn: 19587
 2005-01-16 02:14:17 +00:00
Chris Lattner
605b9a23a2 Improve compatiblity with HPUX on Itanium, patch by Duraid Madina 
llvm-svn: 19586
 2005-01-16 01:31:31 +00:00
Chris Lattner
dfb3741f64 Improve compatibility with aCC on HPUX. Patch by Duraid Madina 
llvm-svn: 19585
 2005-01-16 01:22:18 +00:00
Chris Lattner
06c297f8ca Set up identity transforms. 
llvm-svn: 19584
 2005-01-16 01:20:18 +00:00
Chris Lattner
01e2ce8a4c Move some information into the TargetLowering object. 
llvm-svn: 19583
 2005-01-16 01:11:45 +00:00
Chris Lattner
9762070e50 Use the new TLI method to get this. 
llvm-svn: 19582
 2005-01-16 01:11:19 +00:00
Chris Lattner
1d0e1ffe02 Move some information out of LegalizeDAG into the generic Target interface. 
llvm-svn: 19581
 2005-01-16 01:10:58 +00:00
Chris Lattner
0777f84d53 legalize a bunch of operations that I missed. 
llvm-svn: 19580
 2005-01-16 00:38:00 +00:00
Chris Lattner
1de18d422e Add support for targets that require promotions. 
llvm-svn: 19579
 2005-01-16 00:37:38 +00:00