[PATCH] D95266: [AMDGPU] Fix FP materialization/resolve with flat scratch

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec added inline comments.


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Comment at: llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp:443
+    // an SGPR for flat scratch.
+    MRI.setRegClass(BaseReg, &AMDGPU::SReg_32_XEXEC_HIRegClass);
+  }
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arsenm wrote:
> I don't think you can blindly set the register class, you should contrainRegClass instead
I cannot constrain VGPR to SGPR.


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  https://reviews.llvm.org/D95266/new/

https://reviews.llvm.org/D95266