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Craig Topper aa230fe47e [RISCV] Use tail agnostic policy for instructions with tied defs if the use operand is IMPLICIT_DEF. 
The vcompress intrinsic is defined such that it requires a tail
undisturbed policy. This patch makes it so we can use the tail
agnostic policy if the user has passed vundefined to the dest
operand.

We need to do something similar for masked policy, but we need
annotation of which instructions use the mask policy first.

Not sure if this is sufficient for scheduling or if we'll need to
select different pseudos that don't have a tied def.

Reviewed By: evandro

Differential Revision: https://reviews.llvm.org/D94566
2021-01-17 23:47:58 -08:00
benchmarks
bindings [Go] Fix bindings/go/llvm/IRBindings.cpp 2020-12-16 10:09:58 -08:00
cmake Reland [lldb][docs] Use sphinx instead of epydoc to generate LLDB's Python reference 2021-01-17 12:13:01 +01:00
docs [IR] Allow scalable vectors in structs to support intrinsics returning multiple values. 2021-01-17 23:29:51 -08:00
examples [Orc] Fix OrcV2Examples after D94690 2021-01-15 13:45:46 +01:00
include [IR] Allow scalable vectors in structs to support intrinsics returning multiple values. 2021-01-17 23:29:51 -08:00
lib [RISCV] Use tail agnostic policy for instructions with tied defs if the use operand is IMPLICIT_DEF. 2021-01-17 23:47:58 -08:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [CMake] Split the target side of runtimes build 2021-01-11 23:39:36 -08:00
test [RISCV] Use tail agnostic policy for instructions with tied defs if the use operand is IMPLICIT_DEF. 2021-01-17 23:47:58 -08:00
tools [llvm] Use llvm::sort (NFC) 2021-01-17 10:39:45 -08:00
unittests Fix llvm::Optional build breaks in MSVC using std::is_trivially_copyable 2021-01-16 09:37:04 -05:00
utils [TableGen] Drop redundant const from return types (NFC) 2021-01-17 10:39:49 -08:00
.clang-format
.clang-tidy
.gitattributes
.gitignore
CMakeLists.txt [llvm] [cmake] Remove obsolete /usr/local hack for *BSD 2021-01-12 19:26:04 +01:00
CODE_OWNERS.TXT Change XCore code owner. 2021-01-14 12:13:48 +00:00
configure
CREDITS.TXT [NFC] Add contributors names to CREDITS.TXT 2020-10-07 13:22:55 -04:00
LICENSE.TXT
llvm.spec.in
README.txt
RELEASE_TESTERS.TXT

README.txt 

The LLVM Compiler Infrastructure
================================

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