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AMDGPU: Use MachineRegisterInfo to find max used register
authorMatt Arsenault <Matthew.Arsenault@amd.com>
Mon, 17 Apr 2017 19:48:30 +0000 (19:48 +0000)
committerMatt Arsenault <Matthew.Arsenault@amd.com>
Mon, 17 Apr 2017 19:48:30 +0000 (19:48 +0000)
commit74ac54ec5bb9c1e856fc049330591777835c7f13
treeb85c4e580683c551a483e5d71466214a0a0de0bbtree | snapshot
parentfc3524b1a2d2898de82f671fced3b99e34183b55commit | diff
AMDGPU: Use MachineRegisterInfo to find max used register

Avoid looping through program to determine register counts.
This avoids needing to look at regmask operands.

Also fixes some counting errors with flat_scr when there
are no stack objects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300482 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp diff | blob | history
lib/Target/AMDGPU/AMDGPUAsmPrinter.h diff | blob | history
test/CodeGen/AMDGPU/code-object-metadata-from-llvm-ir-full.ll diff | blob | history
test/CodeGen/AMDGPU/exceed-max-sgprs.ll diff | blob | history
test/CodeGen/AMDGPU/flat-scratch-reg.ll diff | blob | history
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