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6 Commits

Author SHA1 Message Date
Artyom Skrobov f57d023cd1 In Thumb1, materialize a move between low registers as a movs, if CPSR isn't live. 
Summary: Previously, it had always been materialized as a push/pop sequence.

Reviewers: labrinea, jroelofs

Reviewed By: jroelofs

Subscribers: llvm-commits, rengolin

Differential Revision: https://reviews.llvm.org/D30648

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297134 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-03-07 09:38:16 +00:00
Mandeep Singh Grang b831a5dabd [llvm] Remove redundant --check-prefix=CHECK from tests 
Reviewers: MatzeB, mcrosier, rengolin

Differential Revision: https://reviews.llvm.org/D25894

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285003 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-10-24 18:57:55 +00:00
Tim Northover d022ddb138 ARM: only form SMMLS when SUBE flags unused. 
In this particular example we wouldn't want the smmls anyway (the value is
actually unused), but in general smmls does not provide the required flags
register so if that SUBE result is used we can't replace it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277541 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-08-02 23:12:36 +00:00
Sam Parker 161eae5670 [ARM] Enable ISel of SMMLS for ARM and Thumb2 
Use ISelDAGToDAG to recognise the SMMLS instruction pattern.

Differential Revision: https://reviews.llvm.org/D22562



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276624 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-07-25 09:20:20 +00:00
Saleem Abdulrasool 5fe5b3dcc8 ARM: update even more tests 
More updating of tests to be explicit about the target triple rather than
relying on the default target triple supporting ARM mode.

Indicate to lit that object emission is not yet available for Windows on ARM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205545 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-04-03 17:35:22 +00:00
Tim Northover 44600d7081 Remove incorrect pattern for ARM SMML instruction. 
Patch by Meador Inge.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156989 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-17 13:12:13 +00:00