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llvm-mirror/cmake
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Cullen Rhodes 157d5e9a63 [ValueTypes] Add EVT::isFixedLengthVector 
Summary:
Related to D75672, this patch adds EVT::isFixedLengthVector to determine
if the underlying vector type is of fixed length.

An assert is introduced in EVT::getVectorNumElements that triggers for
types that aren't fixed length. This is currently guarded by a flag
added D75297 that is off by default and has been renamed to the more
generic ENABLE_STRICT_FIXED_SIZE_VECTORS.

Ideally we want to get rid of getVectorNumElements but a quick grep
shows there are >350 uses in lib/CodeGen and 75 in lib/Target/AArch64
alone. All of these probably aren't EVT::getVectorNumElements (some may
be the MVT equivalent), but there are many places to fixup and having
the assert on by default would make the SVE upstreaming effort
difficult.

Reviewers: sdesmalen, efriedma, ctetreau, huntergr, rengolin

Reviewed By: efriedma

Subscribers: mgorny, kristof.beyls, hiraditya, danielkiss, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D76376
2020-03-19 10:08:17 +00:00
..
modules [ValueTypes] Add EVT::isFixedLengthVector 2020-03-19 10:08:17 +00:00
platforms [CMake] [WinMsvc] Look for includes and libs in ${MSVC_BASE}/atlmfc 2019-10-22 06:36:27 +00:00
config-ix.cmake CMake: Turn LLVM_ENABLE_ZLIB into a tri-state option 2020-03-13 13:52:46 -07:00
config.guess llvm/cmake/config.guess: add support for riscv32 and riscv64 2020-02-14 11:53:51 +00:00
dummy.cpp
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