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52f8f56ef4
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5512 Commits

Author SHA1 Message Date
Alkis Evlogimenos
52f8f56ef4 Move unused typedefs in private section. Add method to return interval 
given a register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11608 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 23:14:52 +00:00
Chris Lattner
a3de11783f indent correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11601 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:58:00 +00:00
Chris Lattner
722ca71285 Don't yell. BUGPOINT should yell, not the tool runner :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11600 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:57:38 +00:00
Chris Lattner
89bf9ea65e If there is an error running a tool, include the error message (e.g. assertion failure) in the exception 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11597 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:38:00 +00:00
Chris Lattner
8c56be5e2b When an error occurs executing a tool, we now throw an exception instead 
of calling exit(1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11593 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:21:57 +00:00
Chris Lattner
e6d04f1a99 Eliminate operator[] is deprecated warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11578 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 16:43:51 +00:00
Chris Lattner
fdc01cedd4 Fix deprecated operator[] warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11577 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 16:38:18 +00:00
Alkis Evlogimenos
e9118f3694 Fix argument size for MOVSX and MOVZX instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11576 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 16:20:40 +00:00
Alkis Evlogimenos
23c114fd3b Be more agressive when joining ranges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11575 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 04:38:37 +00:00
Alkis Evlogimenos
99d9923608 Fix overly conservative spill interval computation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11574 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 03:35:38 +00:00
Alkis Evlogimenos
3a9986f5d8 Beautify debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11573 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 00:35:06 +00:00
Chris Lattner
57cb9883aa Fix PR245: Linking weak and strong global variables is dependent on link order 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11565 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 21:56:04 +00:00
Chris Lattner
28a631d37e When we complete the bottom-up pass, make sure to merge the globals in 'main' into 
the globals graph.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11562 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 19:06:47 +00:00
Chris Lattner
cc0d2f586f Add support for GlobalAddress's for alkis 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11560 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 18:23:55 +00:00
Alkis Evlogimenos
9b9b7fc28d These store to memory too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11558 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 17:53:48 +00:00
Chris Lattner
56ddada278 Remove the -disable-kill option. The register allocator is buggy with it, 
and it was only for debugging in the first place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11557 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 17:49:10 +00:00
Chris Lattner
acce13e4cc These store to memory, not read from it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11556 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 17:46:50 +00:00
Alkis Evlogimenos
d886ed99fb Instructiosn with 1 memory operand have 4 operands in our 
representation.. duh!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11554 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 15:58:13 +00:00
Alkis Evlogimenos
f41dadafae Align case statements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11552 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 15:50:41 +00:00
Alkis Evlogimenos
14ffe75c9c Add TEST and XCHG memory operand support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11550 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 15:48:42 +00:00
Alkis Evlogimenos
68bff8e15d Add OR and XOR memory operand support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11549 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 15:33:14 +00:00
Alkis Evlogimenos
e287a00440 Peephole optimize SUBmi{16,32} into SUBmi{16,32}b when immediate is 8 
bits wide.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11548 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 15:14:29 +00:00
Alkis Evlogimenos
cacca82833 ADDmi{16,32} should be in the next case statement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11547 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 15:10:11 +00:00
Alkis Evlogimenos
a7be982e72 Add memory operand folding support for MUL, DIV, IDIV, NEG, NOT, 
MOVSX, and MOVZX.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11546 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 09:14:23 +00:00
Alkis Evlogimenos
89b0214b76 Add memory operand folding for CMP{rm,mr,mi}{8,16,32}, INCm{8,16,32} 
and DECm{8,16,32} instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11545 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 08:49:20 +00:00
Alkis Evlogimenos
509d6d65b5 Add CMP{rm,mr,mi}{8,16,32}, INCm{8,16,32} and DECm{8,16,32} instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11544 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 08:49:00 +00:00
Alkis Evlogimenos
503770cfc3 Add SUB{rm,mr,mi}{8,16,32} instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11543 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 08:17:40 +00:00
Chris Lattner
11390e76e7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11542 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 08:09:40 +00:00
Alkis Evlogimenos
18bd7bb4d4 Add support for folding memory operands for ADC, SBB and SUB instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11541 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 08:08:51 +00:00
Alkis Evlogimenos
69da6dba79 Add support for ADC{rm.mr}32 and SBB{rm,mr}32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11540 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 08:06:31 +00:00
Chris Lattner
ee0919bb10 Add a (hidden) option to print instructions that fail to fuse. It's looking 
like compares and test's would be the next huge win...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11539 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 08:03:47 +00:00
Alkis Evlogimenos
17dc674c13 Add support for folding memory operands in MOVri{8,16,32} instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11538 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 07:47:20 +00:00
Chris Lattner
5b67252620 Expand the repertoire of the forms we can print and encode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11537 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 07:40:44 +00:00
Chris Lattner
651fd55d5f Disable this peephole for now. We can't keep track of the fact that the immediate is 8 bits, 
but the memory reference is full sized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11536 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 07:36:32 +00:00
Chris Lattner
cdee28724e Fix a bug in my previous refactoring change... arg! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11535 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 07:02:17 +00:00
Chris Lattner
9915cd9e9f The C backend is no longer in llvm-dis, it's in llc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11533 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:40:06 +00:00
Chris Lattner
a7660be6c2 Add an option to disable spill fusing in the X86 backend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11531 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:30:34 +00:00
Chris Lattner
e87331d11d Fix the mneumonics for the mov instructions to have the source and destination 
order in the correct sense!! Arg!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11530 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:28:19 +00:00
Chris Lattner
7ddc3fbd22 Fix the last crimes against nature that used the 'ir' ordering to use the 
'ri' ordering instead... no it's not possible to store a register into an
immediate!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11529 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:24:02 +00:00
Chris Lattner
f120ebbf8a GRRR. Move instructions have swapped the order of the r/m operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11528 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:20:20 +00:00
Chris Lattner
6e173a0d9c Rename MOVi[mr] instructions to MOV[rm]i 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11527 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:16:44 +00:00
Chris Lattner
90c38c8141 Whoops, got my cases swapped. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11526 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:02:15 +00:00
Chris Lattner
5a051f65d3 Change to match the newer, simpler, interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11525 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:54:57 +00:00
Chris Lattner
0f9c491abc Add support for folding memory operands into AND and IMUL's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11523 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:46:06 +00:00
Chris Lattner
7c035b73a4 Scrunchify code, by adding helpers. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11522 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:35:13 +00:00
Chris Lattner
4ff7876c64 Add mem forms of AND instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11521 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:25:50 +00:00
Alkis Evlogimenos
7093d37304 Add LiveIntervals::Interval::empty() member function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11520 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:14:37 +00:00
Alkis Evlogimenos
b499866c05 Add API to check and fold memory operands into instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11519 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 04:33:18 +00:00
Chris Lattner
55b5481255 Rename the IMULri* instructions to IMULrri, as they are actually three address 
instructions.  Add forms of these instructions that read from memory


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11518 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 04:26:43 +00:00
Chris Lattner
1e3812c1c5 Once we have a way to fold spill code reloads into instructions, we have a way to use it. :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11517 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 04:08:37 +00:00