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9 Commits

Author SHA1 Message Date
Eli Bendersky c08ff1267f Add a REQUIRES: assert on a Lanai test that uses a -debug-only flag 
llvm-svn: 277204
 2016-07-29 19:35:22 +00:00
Jacques Pienaar 6d3eecc843 [lanai] Use peephole optimizer to generate more conditional ALU operations. 
Summary:
* Similiar to the ARM backend yse the peephole optimizer to generate more conditional ALU operations;
* Add predicated type with default always true to RR instructions in LanaiInstrInfo.td;
* Move LanaiSetflagAluCombiner into optimizeCompare;
* The ASM parser can currently only handle explicitly specified CC, so specify ".t" (true) where needed in the ASM test;
* Remove unused MachineOperand flags;

Reviewers: eliben

Subscribers: aemerson

Differential Revision: http://reviews.llvm.org/D22072

llvm-svn: 274807
 2016-07-07 23:36:04 +00:00
Jacques Pienaar 5ffdef55f0 [lanai] Change reloc to use PIC_ by default and cleanup. 
* Change reloc to PIC_;
* Cleanup (clang-format & modify test);

llvm-svn: 270282
 2016-05-20 21:41:53 +00:00
Jacques Pienaar d96f8a3e82 [lanai] Add subword scheduling itineraries. 
Differentiate between word and subword memory operations as they take different
amount of cycles to complete. This just adds a basic model of the subword
latency to the scheduler.

llvm-svn: 266898
 2016-04-20 18:28:55 +00:00
Jacques Pienaar 50d4e98905 [lanai] Add lowering for SETCCE i32. 
* Add lowering for SETCCE i32.
* Add test to check lowering of i64 compares uses SETCCE expansion (outside of EQ and NE).
* Fix select.ll test and immediate form selection for RI operations.

llvm-svn: 266802
 2016-04-19 19:15:25 +00:00
Jacques Pienaar ad1db3597e [lanai] Add custom lowering for SRL_PARTS i32. 
llvm-svn: 266349
 2016-04-14 17:59:22 +00:00
Jacques Pienaar add4a274ba [lanai] Add areMemAccessesTriviallyDisjoint, getMemOpBaseRegImmOfs and getMemOpBaseRegImmOfsWidth. 
Summary: Add getMemOpBaseRegImmOfsWidth to enable determining independence during MiSched.

Reviewers: eliben, majnemer

Subscribers: mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D18903

llvm-svn: 266338
 2016-04-14 16:47:42 +00:00
Jacques Pienaar 42991b3e5a [lanai] LanaiSetflagAluCombiner more conservative 
Summary: LanaiSetflagAluCombiner could previously combine instructions across basic building blocks even when not legal. Make the LanaiSetflagAluCombiner more conservative to avoid this.

Reviewers: eliben

Subscribers: joker.eph, llvm-commits

Differential Revision: http://reviews.llvm.org/D18746

llvm-svn: 265411
 2016-04-05 16:18:13 +00:00
Jacques Pienaar fcef3e4617 [lanai] Add Lanai backend. 
Add the Lanai backend to lib/Target.

General Lanai backend discussion on llvm-dev thread "[RFC] Lanai backend" (http://lists.llvm.org/pipermail/llvm-dev/2016-February/095118.html).

Differential Revision: http://reviews.llvm.org/D17011

llvm-svn: 264578
 2016-03-28 13:09:54 +00:00