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43 Commits

Author SHA1 Message Date
Akira Hatanaka
16865d0612 Disable Mips' delay slot filler when optimization level is O0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162589 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-24 20:40:15 +00:00
Akira Hatanaka
6522a9e04b Add option disable-mips-delay-filler. Turn on mips' delay slot filler by 
default.

Patch by Carl Norum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162339 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-22 02:51:28 +00:00
Akira Hatanaka
864f66085c Fix coding style violations. Remove white spaces and tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158471 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 21:10:56 +00:00
Akira Hatanaka
158413930f Bundle jump/branch instructions with the instructions in the delay slot in 
delay slot filler pass of MIPS, per suggestion of Jakob Stoklund Olesen.

This change, along with the fix in r158154, enables machine verification
to be run after delay slot filling.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158426 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-13 23:25:52 +00:00
Jakob Stoklund Olesen
f152fe8d48 Switch some getAliasSet clients to MCRegAliasIterator. 
MCRegAliasIterator can optionally visit the register itself, allowing
for simpler code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157837 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-01 20:36:54 +00:00
Akira Hatanaka
f9c3f3b8a8 Add a command line option to skip the delay slot filler pass entirely for Mips. 
The purpose of this option is to silence error messages issued by machine
verifier passes and enable them to run to the end. If this option is not
provided, -verify-machineinstrs complains when it discovers there is a
non-terminator instruction (an instruction that is in a delay slot) after the
first terminator in a basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156790 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-14 23:59:17 +00:00
Craig Topper
e4fd907e72 Use uint16_t to store register overlaps to reduce static data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152001 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-04 10:43:23 +00:00
Jia Liu
bb481f8820 remove blanks, and some code format 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151625 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 07:46:26 +00:00
Jia Liu
c5707112e7 remove Emacs-tag form .cpp files in Mips Backend, and fix some typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150805 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-17 08:55:11 +00:00
Jia Liu
8f5e8c1cd6 add Emacs tag and fix some comment error in file headers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150775 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-17 01:23:50 +00:00
Akira Hatanaka
8209968306 Tidy up. Simplify logic. No functional change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146896 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-19 19:52:25 +00:00
Evan Cheng
5a96b3dad2 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146026 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-07 07:15:52 +00:00
Akira Hatanaka
42be280a28 Fix assertion string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141197 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 18:17:49 +00:00
Akira Hatanaka
41a796e9cc Make sure candidate for delay slot filler is not a return instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141196 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 18:16:09 +00:00
Akira Hatanaka
2f52338f50 Add RA to the set of registers that are defined if instruction is a call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141194 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 18:11:44 +00:00
NAKAMURA Takumi
4cbc5a1118 MipsDelaySlotFiller.cpp: Appease msvc to specify llvm::next() explicitly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141174 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 10:11:02 +00:00
Akira Hatanaka
176965f46b Insert space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141158 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 02:22:49 +00:00
Akira Hatanaka
6e4e64859f Do not examine variadic or implicit operands if instruction is a return (jr). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141157 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 02:21:58 +00:00
Akira Hatanaka
0c419a7c4b Clean up function Filler::delayHasHazard. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141156 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 02:18:58 +00:00
Akira Hatanaka
0f0c59a0f8 Remove function Filler::insertCallUses. 
Record the registers used and defined by a call in Filler::insertDefsUses.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141154 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 02:04:17 +00:00
Akira Hatanaka
7d8e04d5f1 Clean up Filler::findDelayInstr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141152 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 01:57:46 +00:00
Akira Hatanaka
53120e0a9f Remove function Filler::isDelayFiller. Check if I is the same instruction that 
filled the last delay slot visited.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141151 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 01:30:09 +00:00
Akira Hatanaka
6f818abbe3 Clean up Filler::runOnMachineBasicBlock. Change interface of 
Filler::findDelayInstr.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141150 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 01:23:39 +00:00
Akira Hatanaka
98f4d4d2db Define a statistic for the number of slots that were filled with useful 
instructions (instructions that are not NOP).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141149 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 01:19:13 +00:00
Akira Hatanaka
f2f70c2493 Remove unnecessary check. isDelayFiller(MBB, I) will evaluate to true before 
I->getDesc().hasDelaySlot() does.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141148 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 01:15:31 +00:00
Akira Hatanaka
cfc3fb5737 Add comments and move assignment statement. If sawStore is true, sawLoad does 
not have to be set.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141147 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 01:09:37 +00:00
Akira Hatanaka
6585b51821 Correct description string of enable-mips-delay-filler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141146 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 01:06:57 +00:00
Akira Hatanaka
a3defb07a0 Fill delay slot with useful instructions. Modified from Sparc's version of delay 
slot filler.

Patch by Reed Kotler at Mips Technologies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140825 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-29 23:52:13 +00:00
Akira Hatanaka
8ddf6531b8 Drop support for Mips1 and Mips2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139405 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 20:45:50 +00:00
Evan Cheng
e837dead3c - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134021 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-28 19:10:37 +00:00
Akira Hatanaka
4552c9a3b3 Reverse unnecessary changes made in r129606 and r129608. There is no change in functionality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129612 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 21:51:11 +00:00
Akira Hatanaka
0bf3dfbef6 Fix lines that have incorrect indentation or exceed 80 columns. There is no change in functionality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129606 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 21:00:26 +00:00
Bruno Cardoso Lopes
90c595425b Fix delay slot filler for non mips1 targets. Patch by Akira Hatanaka 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121376 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 17:31:11 +00:00
Bruno Cardoso Lopes
2c2304c623 Initial support for Mips32 and Mips32r2. Patch contributed by Akira Hatanaka (ahatanaka@mips.com) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118447 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 21:42:32 +00:00
Owen Anderson
90c579de5a Reapply r110396, with fixes to appease the Linux buildbot gods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110460 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 18:33:48 +00:00
Owen Anderson
1f74590e9d Revert r110396 to fix buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 00:23:35 +00:00
Owen Anderson
9ccaf53ada 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 23:42:04 +00:00
Dale Johannesen
948175785d Remove non-DebugLoc versions of BuildMI from IA64, Mips. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64438 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-13 02:34:39 +00:00
Dan Gohman
ae73dc1448 Tidy up several unbeseeming casts from pointer to intptr_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55779 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 17:05:41 +00:00
Chris Lattner
749c6f6b5e rename TargetInstrDescriptor -> TargetInstrDesc. 
Make MachineInstr::getDesc return a reference instead
of a pointer, since it can never be null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45695 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 07:27:27 +00:00
Chris Lattner
69244300b8 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.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45674 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 01:56:04 +00:00
Chris Lattner
4ee451de36 Remove attribution from file headers, per discussion on llvmdev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:36:04 +00:00
Bruno Cardoso Lopes
9684a697d5 A Pass to insert Nops on intructions with DelaySlot 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41150 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-18 01:50:47 +00:00