[llvm] [SPIRV] Start adding support for `int128` (PR #170798)

[Alex Voicu via llvm-commits]

AlexVlx wrote:

> > Hi @AlexVlx ,
> > https://lab.llvm.org/buildbot/#/builders/187/builds/14435 there are failed tests on the expensive test builder, looks like because of this PR
> > ```
> > # executed command: not /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/bin/llc -O0 -mtriple=spirv64-unknown-unknown /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/test/CodeGen/SPIRV/extensions/SPV_ALTERA_arbitrary_precision_integers/i128-addsub.ll -o /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/test/CodeGen/SPIRV/extensions/SPV_ALTERA_arbitrary_precision_integers/Output/i128-addsub.ll.tmp.spvt
> > # executed command: /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/build/bin/FileCheck /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/test/CodeGen/SPIRV/extensions/SPV_ALTERA_arbitrary_precision_integers/i128-addsub.ll --check-prefix=CHECK-ERROR
> > # .---command stderr------------
> > # | /home/buildbot/worker/as-builder-4/ramdisk/expensive-checks/llvm-project/llvm/test/CodeGen/SPIRV/extensions/SPV_ALTERA_arbitrary_precision_integers/i128-addsub.ll:6:16: error: CHECK-ERROR: expected string not found in input
> > # | ; CHECK-ERROR: LLVM ERROR: OpTypeInt type with a width other than 8, 16, 32 or 64 bits requires the following SPIR-V extension: SPV_ALTERA_arbitrary_precision_integers
> > # |                ^
> > # | <stdin>:1:1: note: scanning from here
> > # | 
> > ...
> > ```
> > 
> > 
> >     
> >       
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> >       
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> > 
> >     
> >   
> > would yo take care of it?
> 
> Yes, apologies for the inconvenience, I'll have a PR up in a few minutes, it was a bit sneaky.

#171513 fixes it, will merge once checks complete.

https://github.com/llvm/llvm-project/pull/170798