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2015 Nov 18
1
[Mesa-dev] llvm TGSI backend (WIP) questions
...vm trunk, not sure
> what llvm version you are using).
>
> To use llc:
>
> llc -march=tgsi input.ll -o -
>
>
> This will output TGSI.
So after some bugfixing to fix a bunch of segfaults I get:
$ bin/llc -march=tgsi ../test/CodeGen/AMDGPU/add.ll -o -
# BB#0:
UADDs TEMP0x, TEMP0x, 0
LOADgis TEMP1z, [TEMP1y]
UADDs TEMP1y, TEMP1y, 4
LOADgis TEMP1y, [TEMP1y]
UADDs TEMP1y, TEMP1z, TEMP1y
STOREgis [TEMP1x], TEMP1y
UADDs TEMP0x, TEMP0x, 0
RET
ENDSUB
and add.ll has:
;FUNC-LABEL: {{^}}test1:
;EG: ADD_...
2015 Nov 13
6
llvm TGSI backend (WIP) questions
Hi All,
So as discussed I've started working on a TGSI backend for
llvm to use as a way to get compute going on nouveau (and other gpu-s).
I'm still learning all the ins and outs of llvm so I do not have
much to show yet.
I've rebased Francisco's (curro's) latest version on top of llvm
trunk, and added a commit on top to actual get it build with the
latest trunk. So