[PATCH] D64933: [AMDGPU] Adjust number of SGPRs available in Calling Convention

[Ryan Taylor via Phabricator via llvm-commits]

rtaylor created this revision.
Herald added subscribers: llvm-commits, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl, arsenm.
Herald added a project: LLVM.

This reduces the number of SGPRs due to some concerns about running
out of SGPRs if you make all the SGPRs that aren't reserved available
for the calling convention.

Change-Id: Ibfdcd4a42ba9ad22bdc96413e1f8d6e2072858c2


Repository:
  rL LLVM

https://reviews.llvm.org/D64933

Files:
  lib/Target/AMDGPU/AMDGPUCallingConv.td
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  test/CodeGen/AMDGPU/sgpr-limit.ll

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