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Author SHA1 Message Date
David Green acb628b2af [ARM] Add some missing thumb1 opcodes to enable peephole optimisation of CMPs 
This adds a number of missing Thumb1 opcodes so that the peephole optimiser can
remove redundant CMP instructions.

Reapplying this after the first attempt broke non-thumb1 code as the t2ADDri
instruction can be used with frame indices. In thumb1 we use tADDframe.

Differential Revision: https://reviews.llvm.org/D57833

llvm-svn: 354667
 2019-02-22 12:23:31 +00:00
David Green 7a183a86be Revert 354564: [ARM] Add some missing thumb1 opcodes to enable peephole optimisation of CMPs 
I believe it's causing bootstrap failures for A32 code. I'll take a look at
what's wrong.

llvm-svn: 354569
 2019-02-21 11:03:13 +00:00
David Green 89efe24eba [ARM] Add some missing thumb1 opcodes to enable peephole optimisation of CMPs 
This adds a number of missing Thumb1 opcodes so that the peephole optimiser can
remove redundant CMP instructions.

Differential Revision: https://reviews.llvm.org/D57833

llvm-svn: 354564
 2019-02-21 10:30:09 +00:00