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Author SHA1 Message Date
Vasileios Kalintiris cfb005a0ee [mips] Do not allow -opt-bisect-limit to skip the PIC call optimization pass. 
r282428 added the MipsOptimizePICCall as an opt-in pass that can be
skipped when using the -opt-bisect-limit option. However, this pass is
needed because it generates code that conforms to the o32 ABI
specification by using the $t9 register for PIC calls with JALR
instructions.

This bug was exposed by the fact that skipFunction() also checks for
the "optnone" attribute. This caused functions with that attribute to
break the requirements of the o32 ABI.

llvm-svn: 285305
 2016-10-27 15:50:36 +00:00
Mehdi Amini 117296c0a0 Use StringRef in Pass/PassManager APIs (NFC) 
llvm-svn: 283004
 2016-10-01 02:56:57 +00:00
Andrew Kaylor 595307a468 Add optimization bisect support to an optional Mips pass 
Differential Revision: https://reviews.llvm.org/D19513

llvm-svn: 282428
 2016-09-26 19:05:37 +00:00
Eric Christopher 96e72c6ab1 Remove most of the TargetMachine::getSubtarget/getSubtargetImpl 
calls that don't take a Function argument from Mips. Notable
exceptions: the AsmPrinter and MipsTargetObjectFile. The
latter needs to be fixed, and the former will be fixed when the
general AsmPrinter changes happen.

llvm-svn: 227512
 2015-01-29 23:27:36 +00:00
Eric Christopher fc6de428c8 Have MachineFunction cache a pointer to the subtarget to make lookups 
shorter/easier and have the DAG use that to do the same lookup. This
can be used in the future for TargetMachine based caching lookups from
the MachineFunction easily.

Update the MIPS subtarget switching machinery to update this pointer
at the same time it runs.

llvm-svn: 214838
 2014-08-05 02:39:49 +00:00
Eric Christopher d913448b38 Remove the TargetMachine forwards for TargetSubtargetInfo based 
information and update all callers. No functional change.

llvm-svn: 214781
 2014-08-04 21:25:23 +00:00
Craig Topper 56c590af3b [C++11] Add 'override' keywords and remove 'virtual'. Additionally add 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. Mips edition 
llvm-svn: 207506
 2014-04-29 07:58:02 +00:00
Craig Topper e73658ddbb [C++] Use 'nullptr'. 
llvm-svn: 207394
 2014-04-28 04:05:08 +00:00
Craig Topper 062a2baef0 [C++] Use 'nullptr'. Target edition. 
llvm-svn: 207197
 2014-04-25 05:30:21 +00:00
Chandler Carruth 84e68b2994 [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 
definition below all of the header #include lines, lib/Target/...
edition.

llvm-svn: 206842
 2014-04-22 02:41:26 +00:00
Nick Lewycky aad475b324 Break PseudoSourceValue out of the Value hierarchy. It is now the root of its own tree containing FixedStackPseudoSourceValue (which you can use isa/dyn_cast on) and MipsCallEntry (which you can't). Anything that needs to use either a PseudoSourceValue* and Value* is strongly encouraged to use a MachinePointerInfo instead. 
llvm-svn: 206255
 2014-04-15 07:22:52 +00:00
Chandler Carruth 8a8cd2bab9 Re-sort all of the includes with ./utils/sort_includes.py so that 
subsequent changes are easier to review. About to fix some layering
issues, and wanted to separate out the necessary churn.

Also comment and sink the include of "Windows.h" in three .inc files to
match the usage in Memory.inc.

llvm-svn: 198685
 2014-01-07 11:48:04 +00:00
Akira Hatanaka 168d4e5b20 [mips] Implement the following optimizations using dominance information to 
make PIC calls a little more efficient:

1. Remove instructions setting up $gp if it is known that a function has been
   called at least once.
2. Save the address of a called function in a register instead of loading
   it from the GOT at every call site.

llvm-svn: 195892
 2013-11-27 23:38:42 +00:00