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llvm-mirror/unittests/Target
David Green f2589e2340 [ARM] Allow tail predication of VLDn
VLD2/4 instructions cannot be predicated, so we cannot tail predicate
them from autovec. From intrinsics though, they should be valid as they
will just end up loading extra values into off vector lanes, not
effecting the on lanes. The same is true for loads in general where so
long as we are not using the other vector lanes, an unpredicated load
can be converted to a predicated one.

This marks VLD2 and VLD4 instructions as validForTailPredication and
allows any unpredicated load in tail predication loop, which seems to be
valid given the other checks we have.

Differential Revision: https://reviews.llvm.org/D86022
2020-08-18 17:15:45 +01:00
..
AArch64 Make llvm::StringRef to std::string conversions explicit. 2020-01-28 23:25:25 +01:00
AMDGPU [NFC][AMDGPU] Fix cmake when LLVM is a subproject 2020-04-22 14:25:44 +02:00
ARM [ARM] Allow tail predication of VLDn 2020-08-18 17:15:45 +01:00
PowerPC [NFC][PowerPC] Remove unnecessary link components. 2020-01-16 21:22:51 -05:00
WebAssembly CMake: Make most target symbols hidden by default 2020-01-14 19:46:52 -08:00
X86 [PGO][PGSO] Distinguish queries from unit tests and explicitly enable for the existing IR passes only. NFC. 2019-12-04 09:35:50 -08:00
CMakeLists.txt