[PATCH] D103636: [AMDGPU][IndirectCalls] Fix register usage propagation for indirect/external calls
Madhur Amilkanthwar via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 3 10:52:53 PDT 2021
madhur13490 created this revision.
Herald added subscribers: foad, kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl, arsenm.
madhur13490 requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.
This patch computes max SGPRs and VGPRs used by module
in presence of indirect calls and makes that
as register requirement for functions/kernels
which makes indirect calls.
This patch also refactors code AMDGPUSubTarget.cpp
which add a "base" variants of getMaxNumSGPRs which
is used by MachineFunction and new Function version.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D103636
Files:
llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.h
llvm/lib/Target/AMDGPU/AMDGPUSubtarget.cpp
llvm/lib/Target/AMDGPU/GCNSubtarget.h
llvm/test/CodeGen/AMDGPU/agpr-register-count.ll
llvm/test/CodeGen/AMDGPU/amdpal-callable.ll
llvm/test/CodeGen/AMDGPU/call-graph-register-usage.ll
llvm/test/CodeGen/AMDGPU/indirect-call.ll
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