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Author SHA1 Message Date
Chris Lattner
6e7c1e5c5c Make more stuff public. Make the instruction argument to 
deleteInstructionFromProgram be const

llvm-svn: 11606
 2004-02-18 21:50:26 +00:00
Chris Lattner
975c9272ef make a bunch of methods public 
llvm-svn: 11605
 2004-02-18 21:35:28 +00:00
Chris Lattner
8a76047d63 A couple of minor cleanups: don't forward declare private classes, put private 
classes in an anon namespace

llvm-svn: 11604
 2004-02-18 21:29:46 +00:00
Chris Lattner
0eec2f9d9d Cleanup and simplify manipulation of the program, eliminate the need for so 
many 'friends' of bugdriver.

llvm-svn: 11603
 2004-02-18 21:24:48 +00:00
Chris Lattner
264e195392 Add a stub for debugging code generator crashes 
llvm-svn: 11602
 2004-02-18 21:02:04 +00:00
Chris Lattner
5a22f3a7d1 indent correctly 
llvm-svn: 11601
 2004-02-18 20:58:00 +00:00
Chris Lattner
eddc6ab2e7 Don't yell. BUGPOINT should yell, not the tool runner :) 
llvm-svn: 11600
 2004-02-18 20:57:38 +00:00
Chris Lattner
1f2a818b9f Update comments, if we are running with the CBE, make sure the Interpreter 
variable and the CBE variable are pointer equal.

llvm-svn: 11599
 2004-02-18 20:52:02 +00:00
Chris Lattner
15a1c4c452 Byebye method 
llvm-svn: 11598
 2004-02-18 20:38:12 +00:00
Chris Lattner
a52c617fd7 If there is an error running a tool, include the error message (e.g. assertion failure) in the exception 
llvm-svn: 11597
 2004-02-18 20:38:00 +00:00
Chris Lattner
f4551dc773 Add a label for the bump when we started counting llvm/projects 
llvm-svn: 11596
 2004-02-18 20:27:06 +00:00
Chris Lattner
2621ce4cef ctor arguments changed order 
llvm-svn: 11595
 2004-02-18 20:22:25 +00:00
Chris Lattner
17d98cc298 Catch exception and print message as appropriate 
llvm-svn: 11594
 2004-02-18 20:22:11 +00:00
Chris Lattner
72ce97cc95 When an error occurs executing a tool, we now throw an exception instead 
of calling exit(1).

llvm-svn: 11593
 2004-02-18 20:21:57 +00:00
Chris Lattner
217adea39e Change the order of the arguments to the ctor, allowing us to make the boolean default to true 
llvm-svn: 11592
 2004-02-18 20:20:52 +00:00
John Criswell
012ad71080 Pre-emptive commit of cfrac license information. 
llvm-svn: 11588
 2004-02-18 20:00:05 +00:00
Chris Lattner
0437eb36db Bugpoint will be throwing exceptions soon, perpare for the worst. 
llvm-svn: 11584
 2004-02-18 17:32:54 +00:00
Chris Lattner
bf9a487c2e This class got moved to FileUtilities.h 
llvm-svn: 11583
 2004-02-18 17:17:10 +00:00
Chris Lattner
ea6910de90 Move a helper class out of bugpoint to here. 
llvm-svn: 11582
 2004-02-18 17:16:17 +00:00
Chris Lattner
b864897840 Extract has new options 
llvm-svn: 11581
 2004-02-18 16:55:29 +00:00
Chris Lattner
9a0bcd709d Give extract -o and -f options, just like every other tool! 
llvm-svn: 11580
 2004-02-18 16:53:59 +00:00
Chris Lattner
34f3bce70c eliminate a pair of really inefficient methods now that noone uses them 
llvm-svn: 11579
 2004-02-18 16:45:22 +00:00
Chris Lattner
e672426e5d Eliminate operator[] is deprecated warnings 
llvm-svn: 11578
 2004-02-18 16:43:51 +00:00
Chris Lattner
8acab89631 Fix deprecated operator[] warnings 
llvm-svn: 11577
 2004-02-18 16:38:18 +00:00
Alkis Evlogimenos
7ec1bad952 Fix argument size for MOVSX and MOVZX instructions. 
llvm-svn: 11576
 2004-02-18 16:20:40 +00:00
Alkis Evlogimenos
c394f7803b Be more agressive when joining ranges. 
llvm-svn: 11575
 2004-02-18 04:38:37 +00:00
Alkis Evlogimenos
5c90efed55 Fix overly conservative spill interval computation. 
llvm-svn: 11574
 2004-02-18 03:35:38 +00:00
Alkis Evlogimenos
7290ef1f5c Beautify debug output. 
llvm-svn: 11573
 2004-02-18 00:35:06 +00:00
John Criswell
49a38b9257 Added the Malloc perl benchmark license information. 
Corrected the GhostScript license information.

llvm-svn: 11571
 2004-02-17 22:58:41 +00:00
Chris Lattner
3cf6ea75e1 Bug fixed 
llvm-svn: 11567
 2004-02-17 22:00:39 +00:00
Chris Lattner
911d6bfaa8 New testcase for PR245 
llvm-svn: 11566
 2004-02-17 21:58:29 +00:00
Chris Lattner
4fa2e7a67f Fix PR245: Linking weak and strong global variables is dependent on link order 
llvm-svn: 11565
 2004-02-17 21:56:04 +00:00
Chris Lattner
d9e1a49650 When we complete the bottom-up pass, make sure to merge the globals in 'main' into 
the globals graph.

llvm-svn: 11562
 2004-02-17 19:06:47 +00:00
Chris Lattner
f2b699b98b Since tail duplication is currently neutered, we have to help the optimizer to remove the overhead of __main 
llvm-svn: 11561
 2004-02-17 18:45:06 +00:00
Chris Lattner
f58d2dd6cf Add support for GlobalAddress's for alkis 
llvm-svn: 11560
 2004-02-17 18:23:55 +00:00
Alkis Evlogimenos
c6f0651e5c These store to memory too. 
llvm-svn: 11558
 2004-02-17 17:53:48 +00:00
Chris Lattner
ea22a3de13 Remove the -disable-kill option. The register allocator is buggy with it, 
and it was only for debugging in the first place.

llvm-svn: 11557
 2004-02-17 17:49:10 +00:00
Chris Lattner
88271db3bc These store to memory, not read from it. 
llvm-svn: 11556
 2004-02-17 17:46:50 +00:00
John Criswell
d5ef827012 Added espresso. 
llvm-svn: 11555
 2004-02-17 17:07:52 +00:00
Alkis Evlogimenos
0528c59353 Instructiosn with 1 memory operand have 4 operands in our 
representation.. duh!

llvm-svn: 11554
 2004-02-17 15:58:13 +00:00
Alkis Evlogimenos
b1a61b72f2 Align case statements. 
llvm-svn: 11552
 2004-02-17 15:50:41 +00:00
Alkis Evlogimenos
b815fd46ec Add TEST and XCHG memory operand support. 
llvm-svn: 11550
 2004-02-17 15:48:42 +00:00
Alkis Evlogimenos
32a5b0fd6c Add OR and XOR memory operand support. 
llvm-svn: 11549
 2004-02-17 15:33:14 +00:00
Alkis Evlogimenos
1e4b3b3c9b Peephole optimize SUBmi{16,32} into SUBmi{16,32}b when immediate is 8 
bits wide.

llvm-svn: 11548
 2004-02-17 15:14:29 +00:00
Alkis Evlogimenos
4f22bb4d4b ADDmi{16,32} should be in the next case statement. 
llvm-svn: 11547
 2004-02-17 15:10:11 +00:00
Alkis Evlogimenos
135c4faa55 Add memory operand folding support for MUL, DIV, IDIV, NEG, NOT, 
MOVSX, and MOVZX.

llvm-svn: 11546
 2004-02-17 09:14:23 +00:00
Alkis Evlogimenos
e7bbd1c2fb Add memory operand folding for CMP{rm,mr,mi}{8,16,32}, INCm{8,16,32} 
and DECm{8,16,32} instructions.

llvm-svn: 11545
 2004-02-17 08:49:20 +00:00
Alkis Evlogimenos
d7e3cc8d65 Add CMP{rm,mr,mi}{8,16,32}, INCm{8,16,32} and DECm{8,16,32} instructions. 
llvm-svn: 11544
 2004-02-17 08:49:00 +00:00
Alkis Evlogimenos
638db7b5aa Add SUB{rm,mr,mi}{8,16,32} instructions. 
llvm-svn: 11543
 2004-02-17 08:17:40 +00:00
Chris Lattner
a4e0020e54 Add support to the local allocator for fusing spill code into the instructions 
that need them.  This is very useful on CISCy targets like the X86 because it
reduces the total spill pressure, and makes better use of it's (large)
instruction set.  Though the X86 backend doesn't know how to rewrite many
instructions yet, this already makes a substantial difference on 176.gcc for
example:

Before:
Time:
   8.0099 ( 31.2%)   0.0100 ( 12.5%)   8.0199 ( 31.2%)   7.7186 ( 30.0%)  Local Register Allocator

Code quality:
734559 asm-printer           - Number of machine instrs printed
111395 ra-local              - Number of registers reloaded
 79902 ra-local              - Number of registers spilled
231554 x86-peephole          - Number of peephole optimization performed

After:
Time:
   7.8700 ( 30.6%)   0.0099 ( 19.9%)   7.8800 ( 30.6%)   7.7892 ( 30.2%)  Local Register Allocator
Code quality:
733083 asm-printer           - Number of machine instrs printed
  2379 ra-local              - Number of reloads fused into instructions
109046 ra-local              - Number of registers reloaded
 79881 ra-local              - Number of registers spilled
230658 x86-peephole          - Number of peephole optimization performed

So by fusing 2300 instructions, we reduced the  static number of instructions
by 1500, and reduces the number of peepholes (and thus the work) by about 900.
This also clearly reduces the number of reload/spill instructions that are
emitted.

llvm-svn: 11542
 2004-02-17 08:09:40 +00:00