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33 Commits

Author SHA1 Message Date
Akira Hatanaka 9e1d369e3c Tidy up. Simplify logic. No functional change intended. 
llvm-svn: 146896
 2011-12-19 19:52:25 +00:00
Evan Cheng 7f8e563a69 Add bundle aware API for querying instruction properties and switch the code 
generator to it. For non-bundle instructions, these behave exactly the same
as the MC layer API.

For properties like mayLoad / mayStore, look into the bundle and if any of the
bundled instructions has the property it would return true.
For properties like isPredicable, only return true if *all* of the bundled
instructions have the property.
For properties like canFoldAsLoad, isCompare, conservatively return false for
bundles.

llvm-svn: 146026
 2011-12-07 07:15:52 +00:00
Akira Hatanaka c6b742f98a Fix assertion string. 
llvm-svn: 141197
 2011-10-05 18:17:49 +00:00
Akira Hatanaka 426a804825 Make sure candidate for delay slot filler is not a return instruction. 
llvm-svn: 141196
 2011-10-05 18:16:09 +00:00
Akira Hatanaka 14e4149f4e Add RA to the set of registers that are defined if instruction is a call. 
llvm-svn: 141194
 2011-10-05 18:11:44 +00:00
NAKAMURA Takumi 9ebdf46b5a MipsDelaySlotFiller.cpp: Appease msvc to specify llvm::next() explicitly. 
llvm-svn: 141174
 2011-10-05 10:11:02 +00:00
Akira Hatanaka 02e760add3 Insert space. 
llvm-svn: 141158
 2011-10-05 02:22:49 +00:00
Akira Hatanaka 8e532eb92f Do not examine variadic or implicit operands if instruction is a return (jr). 
llvm-svn: 141157
 2011-10-05 02:21:58 +00:00
Akira Hatanaka 0d7dfc0b1f Clean up function Filler::delayHasHazard. 
llvm-svn: 141156
 2011-10-05 02:18:58 +00:00
Akira Hatanaka 7b204688e7 Remove function Filler::insertCallUses. 
Record the registers used and defined by a call in Filler::insertDefsUses.

llvm-svn: 141154
 2011-10-05 02:04:17 +00:00
Akira Hatanaka d9c8aab894 Clean up Filler::findDelayInstr. 
llvm-svn: 141152
 2011-10-05 01:57:46 +00:00
Akira Hatanaka e7b0697412 Remove function Filler::isDelayFiller. Check if I is the same instruction that 
filled the last delay slot visited.

llvm-svn: 141151
 2011-10-05 01:30:09 +00:00
Akira Hatanaka 5d4e4ea3d5 Clean up Filler::runOnMachineBasicBlock. Change interface of 
Filler::findDelayInstr.

llvm-svn: 141150
 2011-10-05 01:23:39 +00:00
Akira Hatanaka 9e6034444a Define a statistic for the number of slots that were filled with useful 
instructions (instructions that are not NOP).

llvm-svn: 141149
 2011-10-05 01:19:13 +00:00
Akira Hatanaka 8b3666af1b Remove unnecessary check. isDelayFiller(MBB, I) will evaluate to true before 
I->getDesc().hasDelaySlot() does.

llvm-svn: 141148
 2011-10-05 01:15:31 +00:00
Akira Hatanaka 7d398636a2 Add comments and move assignment statement. If sawStore is true, sawLoad does 
not have to be set.

llvm-svn: 141147
 2011-10-05 01:09:37 +00:00
Akira Hatanaka b345b5c424 Correct description string of enable-mips-delay-filler. 
llvm-svn: 141146
 2011-10-05 01:06:57 +00:00
Akira Hatanaka f2619ee3ff Fill delay slot with useful instructions. Modified from Sparc's version of delay 
slot filler.

Patch by Reed Kotler at Mips Technologies.

llvm-svn: 140825
 2011-09-29 23:52:13 +00:00
Akira Hatanaka 4444daeec5 Drop support for Mips1 and Mips2. 
llvm-svn: 139405
 2011-09-09 20:45:50 +00:00
Evan Cheng 6cc775f905 - Rename TargetInstrDesc, TargetOperandInfo to MCInstrDesc and MCOperandInfo and 
sink them into MC layer.
- Added MCInstrInfo, which captures the tablegen generated static data. Chang
TargetInstrInfo so it's based off MCInstrInfo.

llvm-svn: 134021
 2011-06-28 19:10:37 +00:00
Akira Hatanaka e24891251c Reverse unnecessary changes made in r129606 and r129608. There is no change in functionality. 
llvm-svn: 129612
 2011-04-15 21:51:11 +00:00
Akira Hatanaka aef55c8801 Fix lines that have incorrect indentation or exceed 80 columns. There is no change in functionality. 
llvm-svn: 129606
 2011-04-15 21:00:26 +00:00
Bruno Cardoso Lopes fde21cfa64 Fix delay slot filler for non mips1 targets. Patch by Akira Hatanaka 
llvm-svn: 121376
 2010-12-09 17:31:11 +00:00
Bruno Cardoso Lopes 9c656fe815 Initial support for Mips32 and Mips32r2. Patch contributed by Akira Hatanaka (ahatanaka@mips.com) 
llvm-svn: 118447
 2010-11-08 21:42:32 +00:00
Owen Anderson a7aed18624 Reapply r110396, with fixes to appease the Linux buildbot gods. 
llvm-svn: 110460
 2010-08-06 18:33:48 +00:00
Owen Anderson bda59bd247 Revert r110396 to fix buildbots. 
llvm-svn: 110410
 2010-08-06 00:23:35 +00:00
Owen Anderson 755aceb5d0 Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static 
ID member as the sole unique type identifier.  Clean up APIs related to this change.

llvm-svn: 110396
 2010-08-05 23:42:04 +00:00
Dale Johannesen 3a8bd17fdb Remove non-DebugLoc versions of BuildMI from IA64, Mips. 
llvm-svn: 64438
 2009-02-13 02:34:39 +00:00
Dan Gohman a79db30d28 Tidy up several unbeseeming casts from pointer to intptr_t. 
llvm-svn: 55779
 2008-09-04 17:05:41 +00:00
Chris Lattner 03ad885039 rename TargetInstrDescriptor -> TargetInstrDesc. 
Make MachineInstr::getDesc return a reference instead
of a pointer, since it can never be null.

llvm-svn: 45695
 2008-01-07 07:27:27 +00:00
Chris Lattner a98c679de0 Rename MachineInstr::getInstrDescriptor -> getDesc(), which reflects 
that it is cheap and efficient to get.

Move a variety of predicates from TargetInstrInfo into 
TargetInstrDescriptor, which makes it much easier to query a predicate
when you don't have TII around.  Now you can use MI->getDesc()->isBranch()
instead of going through TII, and this is much more efficient anyway. Not
all of the predicates have been moved over yet.

Update old code that used MI->getInstrDescriptor()->Flags to use the
new predicates in many places.

llvm-svn: 45674
 2008-01-07 01:56:04 +00:00
Chris Lattner f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Bruno Cardoso Lopes 0b97ce752c A Pass to insert Nops on intructions with DelaySlot 
llvm-svn: 41150
 2007-08-18 01:50:47 +00:00