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Tim Renouf 6f0191a55a [AMDGPU] Use three- and five-dword result type in image ops
Some image ops return three or five dwords.  Previously, we modeled that
with a 4 or 8 dword register class.  The register allocator could
cleverly spot that some subregs were dead and allocate something else
there, but that caused the de-optimization that waitcnt insertion would
think that the result was used immediately.

This commit allows such an image op to have a result with a three or
five dword result, avoiding the above de-optimization.

Differential Revision: https://reviews.llvm.org/D58905

Change-Id: I3651211bbd7ed22721ee7b9fefd7bcc60a809d8b
llvm-svn: 356757
2019-03-22 15:21:11 +00:00
clang [OPENMP]Emit error message for allocate directive without allocator 2019-03-22 14:41:39 +00:00
clang-tools-extra [clang-tidy] Fix a compiler warning. 2019-03-22 15:07:18 +00:00
compiler-rt [NFC][TSan][libdispatch] Don't use ignore_noninstrumented_modules on Linux 2019-03-22 01:43:43 +00:00
debuginfo-tests Set config.lit_tools_dir, which is needed by lit.llvm.initialize. 2018-11-06 21:54:27 +00:00
libclc sincos: Simplify declaration headers. 2019-03-13 07:13:34 +00:00
libcxx Fix a vector test to not use a local type as a template parameter. This causes a warning on C++03. NFC 2019-03-22 00:49:41 +00:00
libcxxabi Revert "[runtimes] Move libunwind, libc++abi and libc++ to lib/ and include/" 2019-03-08 20:33:55 +00:00
libunwind Revert "[runtimes] Move libunwind, libc++abi and libc++ to lib/ and include/" 2019-03-08 20:33:55 +00:00
lld [DWARF] Refactor RelocVisitor and fix computation of SHT_RELA-typed relocation entries 2019-03-22 02:43:17 +00:00
lldb Extend r356573 (minidump UUID handling) to cover elf build-ids too 2019-03-22 14:03:59 +00:00
llgo Adjust documentation for git migration. 2019-01-29 16:37:27 +00:00
llvm [AMDGPU] Use three- and five-dword result type in image ops 2019-03-22 15:21:11 +00:00
openmp [OpenMP] Fix OMPT cancellation test for GOMP 2019-03-15 21:24:45 +00:00
parallel-libs Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
polly [CodeGen] LLVM OpenMP Backend. 2019-03-19 03:18:21 +00:00
pstl [pstl] By default, disable the parallel policies 2019-03-14 19:33:58 +00:00
.arcconfig Update monorepo .arcconfig with new project callsign. 2019-01-31 14:34:59 +00:00
.clang-format Add .clang-tidy and .clang-format files to the toplevel of the 2019-01-29 16:43:16 +00:00
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
README.md

README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.