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[AMDGPU] Reserving VGPR for future SGPR Spill

Authored by saiislam on Apr 10 2020, 12:55 AM.

Description

[AMDGPU] Reserving VGPR for future SGPR Spill

Summary: One VGPR register is allocated to handle a future spill of SGPR if "--amdgpu-reserve-vgpr-for-sgpr-spill" option is used

Reviewers: arsenm, rampitec, msearles, cdevadas

Reviewed By: arsenm

Subscribers: madhur13490, qcolombet, kerbowa, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, hiraditya, llvm-commits

Tags: #amdgpu, #llvm

Differential Revision: https://reviews.llvm.org/D70379

Details

Committed
saiislamMay 11 2020, 5:33 PM
Reviewer
arsenm
Differential Revision
D70379: [AMDGPU] Reserving VGPR for future SGPR Spill
Parents
rGa8874c76e8ae: [AArch64][SVE] Add patterns for VSELECT of immediates.
Branches
Unknown
Tags
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