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39 Commits

Author SHA1 Message Date
Chris Lattner
7ed47a1335 Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.  Boy are my fingers tired. ;-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 19:59:42 +00:00
Gordon Henriksen
ad93c4f936 CollectorMetadata and Collector are rejiggered to get along with 
per-function collector model. Collector is now the factory for
CollectorMetadata, so the latter may be subclassed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44827 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-11 00:30:17 +00:00
Bill Wendling
0f940c95d4 Initial commit of the machine code LICM pass. It successfully hoists this: 
_foo:
        li r2, 0
LBB1_1: ; bb
        li r5, 0
        stw r5, 0(r3)
        addi r2, r2, 1
        addi r3, r3, 4
        cmplw cr0, r2, r4
        bne cr0, LBB1_1 ; bb
LBB1_2: ; return
        blr 

to:

_foo:
        li r2, 0
        li r5, 0
LBB1_1: ; bb
        stw r5, 0(r3)
        addi r2, r2, 1
        addi r3, r3, 4
        cmplw cr0, r2, r4
        bne cr0, LBB1_1 ; bb
LBB1_2: ; return
        blr

ZOMG!! :-)

Moar to come...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44687 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-07 21:42:31 +00:00
Owen Anderson
fe0c882e5a As Chris and Evan pointed out, BreakCriticalMachineEdges doesn't really need 
to be a pass of its own.  Instead, move it out into a helper method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44002 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-12 01:05:09 +00:00
Owen Anderson
d195ce1fb6 Make BreakCriticalMachineEdges available as a pass that can be depended on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43910 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-11-08 22:20:23 +00:00
Owen Anderson
0bda0e8895 Add the skeleton of a better PHI elimination pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43542 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-31 03:37:57 +00:00
David Greene
2c17c4d8d9 Pluggable coalescers inplementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-06 16:18:45 +00:00
Christopher Lamb
98363225a3 Implement review feedback. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40863 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 16:33:56 +00:00
Christopher Lamb
bab2474b64 Add a MachineFunction pass, which runs post register allocation, that turns subreg insert/extract instruction into register copies. This ensures correct code gen if the coalescer isn't able to remove all subreg instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40521 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-26 08:18:32 +00:00
Dale Johannesen
e7e7d0d7e3 Skeleton of post-RA scheduler; doesn't do anything yet. 
Change name of -sched option and DEBUG_TYPE to
pre-RA-sched; adjust testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39816 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-13 17:13:54 +00:00
Dan Gohman
ff8b732feb Remove declarations for code no longer in the tree, to avoid confusion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37840 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-02 15:06:26 +00:00
Duraid Madina
a8c7682939 check in the BigBlock local register allocator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37703 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 08:27:12 +00:00
David Greene
2513330de8 Factor live variable analysis so it does not do register coalescing 
simultaneously.  Move that pass to SimpleRegisterCoalescing.

This makes it easier to implement alternative register allocation and
coalescing strategies while maintaining reuse of the existing live
interval analysis.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37520 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 17:18:56 +00:00
Dale Johannesen
81da02b553 Make tail merging the default, except on powerPC. There was no prior art 
for a target-dependent default with a command-line override; this way
should be generally usable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37285 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 17:14:46 +00:00
Evan Cheng
4e654852f1 Initial commit of (very basic) if converter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37092 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-16 02:00:57 +00:00
Bill Wendling
a90ba6c2aa Oops! didn't mean to put this in there yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32014 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 07:31:23 +00:00
Bill Wendling
68fe61d6a1 Replacing std::iostreams with llvm iostreams. Some of these changes involve 
adding a temporary wrapper around the ostream to make it friendly to
functions expecting an LLVM stream. This should be fixed in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31990 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 00:19:40 +00:00
Jim Laskey
9d4209fb82 1. Add a pass to fold debug label instructions so a debug info client can detect 
empty ranges.

2. Reorg how MachineDebugInfo maintains changes to debug labels.

3. Have dwarf writer use debug label info to simplify scopes and source line
coorespondence.

4. Revert the merging of compile units until I can get the bugs ironed out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31507 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 19:33:46 +00:00
Chris Lattner
41e087c7e6 Remove a prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23951 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-24 04:13:21 +00:00
Tanya Lattner
9d6b6280c7 Adding ModuloSched SB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21648 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-01 16:14:34 +00:00
Misha Brukman
ea61c35872 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21409 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 20:39:54 +00:00
Chris Lattner
36c29dbbee New pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15367 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-31 09:59:14 +00:00
Alkis Evlogimenos
910d0d6066 Add Iterative scan register allocator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15068 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-21 08:24:35 +00:00
Chris Lattner
8b708e4752 Add a new pass for code generators to use 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14562 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-02 05:44:13 +00:00
Tanya Lattner
5a75c91951 Registering the ModuloScheduling pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13427 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-08 16:14:02 +00:00
Brian Gaeke
fc1f6e835c Include <iosfwd> and <string> instead of <iostream>. 
Take away the default iostream argument of createMachineFunctionPrinterPass(),
at Chris's request.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11121 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-04 21:41:10 +00:00
Brian Gaeke
09caa3751f Give clients of MachineFunctionPrinter the ability to specify a banner and 
choose an ostream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11016 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 21:53:46 +00:00
Chris Lattner
3e200e6c3b Rearrange code, indent for the namespace, add the createMachineFunctionPrinterPass 
to passes.h, and add the machien destruction pass to Passes.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10557 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-20 10:18:58 +00:00
Alkis Evlogimenos
4c080863de Remove TwoAddressInstruction from the public headers and add an ID 
instead, since this pass doesn't expose any state to its users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10520 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-12-18 22:40:24 +00:00
Alkis Evlogimenos
ff0cbe175d Merging the linear scan register allocator in trunk. It currently passes most tests under test/Programs/SingleSource/Benchmarks/Shootout so development will continue on trunk. The allocator is not enabled by default. You will need to pass -regallo=linearscan to lli or llc to use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10103 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-20 03:32:25 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
John Criswell
6fbcc26f14 Added LLVM copyright header (for lack of a better term). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9304 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 20:19:47 +00:00
Alkis Evlogimenos
7237ecef13 Moved enum and command-line option in separate file. Also added function that returns the user selected register allocator to the caller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8819 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-02 16:57:49 +00:00
Alkis Evlogimenos
eed462b685 Change llc command line for register allocators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8815 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-02 06:13:19 +00:00
Chris Lattner
e5d1a22ef2 Forward declare a class 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8797 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-30 20:15:40 +00:00
Chris Lattner
086610926f Include the sparc register in this file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8794 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-30 20:14:43 +00:00
Misha Brukman
ef6a6a69ff The word dependent' has no a'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8030 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-21 22:14:26 +00:00
Brian Gaeke
19df3876e6 Factory methods for FunctionPasses now return type FunctionPass *. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7823 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-13 18:18:15 +00:00
Chris Lattner
db00065fc8 Add new files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5259 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-01-13 01:01:31 +00:00