[PATCH] D102432: [AMDGPU] Add support for architected flat scratch

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec marked an inline comment as done.
rampitec added inline comments.


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Comment at: llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp:727-728
+                         MRI.isPhysRegUsed(AMDGPU::FLAT_SCR_HI) ||
+                         MRI.isLiveIn(MFI->getPreloadedReg(
+                             AMDGPUFunctionArgInfo::FLAT_SCRATCH_INIT));
 
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arsenm wrote:
> Presumably this is a reserved register which we wouldn't need to add to liveins?
It's not a flat scratch, that is SGPR to init it. We normally add the livein in the emitEntryFunctionFlatScratchInit().


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  https://reviews.llvm.org/D102432/new/

https://reviews.llvm.org/D102432