History log of /llvm-project-15.0.7/llvm/lib/Target/VE/LVLGen.cpp (Results 1 – 3 of 3)
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# bf039a86 24-Jan-2022 Kazu Hirata <[email protected]>

[Target] Use range-based for loops (NFC)


Revision tags: llvmorg-13.0.1, llvmorg-13.0.1-rc3, llvmorg-13.0.1-rc2, llvmorg-13.0.1-rc1, llvmorg-13.0.0, llvmorg-13.0.0-rc4, llvmorg-13.0.0-rc3, llvmorg-13.0.0-rc2, llvmorg-13.0.0-rc1, llvmorg-14-init, llvmorg-12.0.1, llvmorg-12.0.1-rc4, llvmorg-12.0.1-rc3, llvmorg-12.0.1-rc2, llvmorg-12.0.1-rc1, llvmorg-12.0.0, llvmorg-12.0.0-rc5, llvmorg-12.0.0-rc4, llvmorg-12.0.0-rc3, llvmorg-12.0.0-rc2, llvmorg-11.1.0, llvmorg-11.1.0-rc3, llvmorg-12.0.0-rc1, llvmorg-13-init, llvmorg-11.1.0-rc2, llvmorg-11.1.0-rc1, llvmorg-11.0.1, llvmorg-11.0.1-rc2
# 95ea50e4 05-Dec-2020 Kazushi (Jam) Marukawa <[email protected]>

[VE] Correct LVLGen (LVL instruction insert pass)

SX Aurora VE uses an intermediate representation similar to VP as its MIR.
VE itself uses invidiual VL register as its own vector length register at

[VE] Correct LVLGen (LVL instruction insert pass)

SX Aurora VE uses an intermediate representation similar to VP as its MIR.
VE itself uses invidiual VL register as its own vector length register at
the hardware level. So, LLVM needs to insert load VL (LVL) instruction just
before vector instructions if the value of VL is changed. This LVLGen pass
generates LVL instructions for such purpose. Previously, a bug is pointed
out in D91416. This patch correct this bug and add a regression test.

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D92716

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Revision tags: llvmorg-11.0.1-rc1
# 1c00d096 16-Nov-2020 Simon Moll <[email protected]>

[VE] LVLGen sets VL before vector insts

The VE backend represents vector instructions with an explicit 'i32'
vector length operand. In the VE ISA, the vector length is always read
from the VL hardw

[VE] LVLGen sets VL before vector insts

The VE backend represents vector instructions with an explicit 'i32'
vector length operand. In the VE ISA, the vector length is always read
from the VL hardware register. The LVLGen pass inserts 'lvl'
instructions as necessary to set VL to the right value before each
vector instruction.

Reviewed By: kaz7

Differential Revision: https://reviews.llvm.org/D91416

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