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Author SHA1 Message Date
Diana Picus 1437f6d710 [ARM] GlobalISel: Lower more than 4 arguments 
This adds support for lowering more than 4 arguments (although still i32 only).
It uses the handleAssignments / ValueHandler infrastructure extracted from
the AArch64 backend in r288658.

Differential Revision: https://reviews.llvm.org/D27195

llvm-svn: 290098
 2016-12-19 11:55:41 +00:00
Diana Picus 812caee65a [ARM] GlobalISel: Select add i32, i32 
Add the minimal support necessary to select a function that returns the sum of
two i32 values.

This includes some support for argument/return lowering of i32 values through
registers, as well as the handling of copy and add instructions throughout the
GlobalISel pipeline.

Differential Revision: https://reviews.llvm.org/D26677

llvm-svn: 289940
 2016-12-16 12:54:46 +00:00
Diana Picus 22274934f4 [ARM] Add plumbing for GlobalISel 
Add GlobalISel skeleton, up to the point where we can select a ret void.

llvm-svn: 286573
 2016-11-11 08:27:37 +00:00