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7 Commits

Author SHA1 Message Date
Tom Stellard d0ba79fe7b AMDGPU/GlobalISel: Add support for wide loads >= 256-bits 
Summary:
This adds support for the most commonly used wide load types:
<8xi32>, <16xi32>, <4xi64>, and <8xi64>

Reviewers: arsenm

Reviewed By: arsenm

Subscribers: hiraditya, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, dstuttard, tpr, t-tye, volkan, Petar.Avramovic, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D57399

llvm-svn: 365586
 2019-07-10 00:22:41 +00:00
Matt Arsenault 7f09fd6b04 GlobalISel: Consolidate load/store legalization 
The fewerElementsVectors implementation for load/stores
handles the scalar reduction case just as well, so drop
the redundant code in narrowScalar. This also introduces
support for narrowing irregular size breakdowns for
scalars.

llvm-svn: 353125
 2019-02-05 00:26:12 +00:00
Matt Arsenault c7bce739ad GlobalISel: Handle odd splits in fewerElementsVector for load/store 
llvm-svn: 352720
 2019-01-31 02:46:05 +00:00
Matt Arsenault 045bc9a4a6 GlobalISel: Support narrowScalar for uneven loads 
llvm-svn: 352594
 2019-01-30 02:35:38 +00:00
Matt Arsenault 18619afe1d GlobalISel: Fix narrowScalar for load/store with different mem size 
This was ignoring the memory size, and producing multiple loads/stores
if the operand size was different from the memory size.

I assume this is the intent of not having an explicit G_ANYEXTLOAD
(although I think that would probably be better).

llvm-svn: 352523
 2019-01-29 18:13:02 +00:00
Daniel Sanders acc008cb0c [globalisel] Remove redundant -global-isel option from tests that use -run-pass. NFC 
As Roman Tereshin pointed out in https://reviews.llvm.org/D45541, the
-global-isel option is redundant when -run-pass is given. -global-isel sets up
the GlobalISel passes in the pass manager but -run-pass skips that entirely and
configures it's own pipeline.

llvm-svn: 331603
 2018-05-05 21:19:59 +00:00
Matt Arsenault 85803366d6 AMDGPU/GlobalISel: Basic legality for load/store 
llvm-svn: 327772
 2018-03-17 15:17:41 +00:00