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Jessica Paquette 7080ffa21a [GlobalISel] Import patterns containing SUBREG_TO_REG 
Reuse the logic for INSERT_SUBREG to also import SUBREG_TO_REG patterns.

- Split `inferSuperRegisterClass` into two functions, one which tries to use
  an existing TreePatternNode (`inferSuperRegisterClassForNode`), and one that
  doesn't. SUBREG_TO_REG doesn't have a node to leverage, which is the cause
  for the split.

- Rename GlobalISelEmitterInsertSubreg.td to GlobalISelEmitterSubreg.td and
  update it.

- Update impacted tests in the AArch64 and X86 backends.

This is kind of a hit/miss for code size improvements/regressions. E.g. in
add-ext.ll, we now get some identity copies. This isn't really anything the
importer can handle, since it's caused by a later pass introducing the copy for
the sake of correctness.

Differential Revision: https://reviews.llvm.org/D66769

llvm-svn: 370254
 		2019-08-28 20:12:31 +00:00
clang [CFG] Make representation of destructor calls more accurate. 2019-08-28 18:44:42 +00:00
clang-tools-extra [Clangd] Initial version of ExtractFunction 2019-08-28 19:34:17 +00:00
compiler-rt Further relax checks in asan-symbolize-bad-path.cpp 2019-08-28 18:37:53 +00:00
debuginfo-tests Make nrvo-string test more robust. 2019-06-27 20:38:37 +00:00
libclc Revert "Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC" 2019-08-05 17:23:23 +00:00
libcxx [libc++] Fix visibility of __vector_base_common on GCC 2019-08-28 18:10:39 +00:00
libcxxabi Provide a meaningful diagnostic when LLVM_PATH doesn't point to a directory 2019-08-19 23:51:26 +00:00
libunwind [runtimes] Don't depend on libpthread on Android 2019-07-22 20:41:03 +00:00
lld lld: Make a test not fail if "repro" is part of the build directory name 2019-08-28 14:33:35 +00:00
lldb [test] Temporarily disable two tests on Windows 2019-08-28 18:04:14 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm [GlobalISel] Import patterns containing SUBREG_TO_REG 2019-08-28 20:12:31 +00:00
openmp Use target_impl functions to replace more inline asm 2019-08-28 15:04:06 +00:00
parallel-libs
…
polly [ScopBuilder] Simplify main statement flag in buildEqivClassBlockStmts. NFC. 2019-08-26 21:31:47 +00:00
pstl [pstl] Allow customizing whether per-TU insulation is provided 2019-08-13 12:49:00 +00:00
.arcconfig Update monorepo .arcconfig with new project callsign. 2019-01-31 14:34:59 +00:00
.clang-format
…
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitignore Change /build to /build* in top-level .gitignore. 2019-08-02 02:14:08 +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.