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101 Commits

Author SHA1 Message Date
Evan Cheng
61de82d885 Use BitVector instead of vector<bool> which can be extremely slow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34302 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-15 05:59:24 +00:00
Chris Lattner
94c002a190 rename DenseMap to IndexedMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33749 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 05:32:05 +00:00
Chris Lattner
cd3245ac45 Eliminate static ctors from Statistics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32698 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-19 22:41:21 +00:00
Bill Wendling
832171cb97 Removing even more <iostream> includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32320 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-07 20:04:42 +00:00
Chris Lattner
ac0b6ae358 Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32279 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-06 17:46:33 +00:00
Bill Wendling
b2b9c20b61 More removal of std::cerr and DEBUG, replacing with DOUT instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31806 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 02:09:07 +00:00
Evan Cheng
ddee842062 Match live variable changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31762 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-15 20:55:15 +00:00
Evan Cheng
438f7bc67c Add implicit def / use operands to MachineInstr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31633 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 08:43:01 +00:00
Chris Lattner
2b41b8e870 Fix UnitTests/2005-05-12-Int64ToFP.c with llc-beta. In particular, do not 
allow it to go into an infinite loop, filling up the disk!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30494 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-19 18:02:01 +00:00
Chris Lattner
0c5b8dac79 Non-allocatable physregs can be killed and dead, but don't treat them as 
safe for later allocation.  This fixes McCat/18-imp with llc-beta.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30204 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 20:21:31 +00:00
Chris Lattner
cc406328bf This fixes Benchmarks/Prolangs-C/unix-smail 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30198 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 19:11:11 +00:00
Chris Lattner
45d5788123 Fix a bunch of llc-beta failures on x86 yesterday. Don't allow selection 
of unallocatable registers, just because an alias is allocatable.  We were
picking registers like SIL just because ESI was being used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30197 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 19:03:30 +00:00
Evan Cheng
5d8062bcee Only call isUse/isDef on register operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30122 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-05 20:32:06 +00:00
Chris Lattner
5e50349070 Fix Regression/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll on X86. 
Just because an alias of a register is available, it doesn't mean that we
can arbitrarily evict the register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30064 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 07:15:37 +00:00
Chris Lattner
2ac0d43fa2 When deleting a machine instruction, make sure to remove it from the 
livevariables information.  This fixes several regalloc=local failures on x86


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30062 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 00:06:08 +00:00
Chris Lattner
a4f0b3a084 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29911 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-27 12:54:02 +00:00
Jim Laskey
eb577ba3b8 Final polish on machine pass registries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29471 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-02 12:30:23 +00:00
Jim Laskey
13ec702c43 Introducing plugable register allocators and instruction schedulers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29434 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-01 14:21:23 +00:00
Jim Laskey
cd4317efcf Eliminate data relocations by using NULL instead of global empty list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29250 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-21 21:15:20 +00:00
Andrew Lenharth
ae6153f943 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29221 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-20 17:43:27 +00:00
Andrew Lenharth
ed41f1bb19 Reduce number of exported symbols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29220 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-20 17:28:38 +00:00
Chris Lattner
9525528a7d Use hidden visibility to make symbols in an anonymous namespace get 
dropped.  This shrinks libllvmgcc.dylib another 67K


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28975 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-28 23:17:24 +00:00
Chris Lattner
44500e3d53 Teach the local allocator to know that live-in values (e.g. arguments) are 
live at function entry.  This prevents it from using arg registers for other
purposes before the arguments are used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28809 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-15 22:21:53 +00:00
Chris Lattner
e53f4a055f Move some methods out of MachineInstr into MachineOperand 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28102 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 17:52:23 +00:00
Chris Lattner
2c2c6c61f1 Add explicit #includes of <iostream> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25515 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-22 23:41:00 +00:00
Chris Lattner
e6a88ac1b9 Nuke noop copies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24258 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-09 18:22:42 +00:00
Chris Lattner
9a5ef20f5e Disable some overly-aggressive checking code. This speeds up the local 
allocator from 23s to 11s on kc++ in debug mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24255 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-09 05:28:45 +00:00
Chris Lattner
bf9716b9c4 Change this code ot pass register classes into the stack slot spiller/reloader 
code.  PrologEpilogInserter hasn't been updated yet though, so targets cannot
use this info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23536 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 01:29:00 +00:00
Chris Lattner
44b94c2185 adjust to new live variables interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22992 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 23:42:17 +00:00
Misha Brukman
edf128a7fa Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21420 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 22:36:52 +00:00
Chris Lattner
0648b16c48 Update this pass to set PhysRegsUsed info in MachineFunction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19792 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-23 22:51:56 +00:00
Chris Lattner
27f291600b Clean up the MachineBasicBlock.h file, percolating #includes into this file. 
Patch contributed by Morten Ofstad


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17251 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-26 15:35:58 +00:00
Reid Spencer
551ccae044 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16137 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-09-01 22:55:40 +00:00
Chris Lattner
3bba026994 Reduce usage of MRegisterInfo::getRegClass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15784 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-15 22:23:09 +00:00
Chris Lattner
3cc03be51a Nuke ifdef'd out code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15777 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-15 22:03:57 +00:00
Chris Lattner
26eb14ba51 Stop using CreateStackObject(RegClass*) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15775 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-15 22:02:22 +00:00
Chris Lattner
57f1b67c34 These methods no longer take a TargetRegisterClass* operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15774 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-15 21:56:44 +00:00
Brian Gaeke
7848e68c16 These files don't need to include <iostream> since they include "Support/Debug.h". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15089 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-21 20:50:33 +00:00
Chris Lattner
aebcce8404 Fix a recent regression in Applications/sgefa that Alkis pointed out to me. 
The vector may actually be empty if the register that we are marking as
recently used is not actually allocatable.  This happens for physical registers
that are not allocatable, like the ST(x) registers on X86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14195 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-16 06:57:29 +00:00
Chris Lattner
9bcdcd17c7 Adjust to new TargetMachine interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13956 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-02 05:57:12 +00:00
Alkis Evlogimenos
39354c99a1 Change MRegisterInfo::foldMemoryOperand to return the folded 
instruction to make the API more flexible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12386 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-14 07:19:51 +00:00
Alkis Evlogimenos
71e353ed35 Uncomment assertions that register# != 0 on calls to 
MRegisterInfo::is{Physical,Virtual}Register. Apply appropriate fixes
to relevant files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11882 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 22:00:20 +00:00
Chris Lattner
7b1af15612 No need to clear the map here, it will always be empty 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11868 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 05:21:21 +00:00
Alkis Evlogimenos
4d0d864be3 Add DenseMap template and actually use it for for mapping virtual regs 
to objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11840 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 21:55:45 +00:00
Alkis Evlogimenos
743d0a1f83 Refactor rewinding code for finding the first terminator of a basic 
block into MachineBasicBlock::getFirstTerminator().

This also fixes a bug in the implementation of the above in both
RegAllocLocal and InstrSched, where instructions where added after the
terminator if the basic block's only instruction was a terminator (it
shouldn't matter for RegAllocLocal since this case never occurs in
practice).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11748 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:14:48 +00:00
Chris Lattner
d0d1c8f830 Another bug fix for empty MBB's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11716 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 19:37:31 +00:00
Chris Lattner
688c8252d2 Fix a bug where we were implicitly assuming that there would be at least 
one terminator instruction in each basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11714 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 19:08:15 +00:00
Alkis Evlogimenos
d6f6d1a80d Make 'fold' statistic's description the same in both allocators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11687 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-21 18:07:33 +00:00
Chris Lattner
d368c6163a Fix problem fusing spill code into instructions: we didn't update the live 
variable information to take into account the change of instruction
address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11628 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 18:34:02 +00:00
Alkis Evlogimenos
2acef2da06 Rename reloads/spills to loads/stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11619 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 06:19:09 +00:00