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Teresa Johnson 867bc3951b [ThinLTO] Pass down opt level to LTO backend and handle -O0 LTO in new PM 
Summary:
The opt level was not being passed down to the ThinLTO backend when
invoked via clang (for distributed ThinLTO).

This exposed an issue where the new PM was asserting if the Thin or
regular LTO backend pipelines were invoked with -O0 (not a new issue,
could be provoked by invoking in-process *LTO backends via linker using
new PM and -O0). Fix this similar to the old PM where -O0 only does the
necessary lowering of type metadata (WPD and LowerTypeTest passes) and
then quits, rather than asserting.

Reviewers: xur

Subscribers: mehdi_amini, inglorion, eraman, hiraditya, steven_wu, dexonsmith, cfe-commits, llvm-commits, pcc

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D61022

llvm-svn: 359025
 		2019-04-23 18:56:19 +00:00
clang [ThinLTO] Pass down opt level to LTO backend and handle -O0 LTO in new PM 2019-04-23 18:56:19 +00:00
clang-tools-extra [clangd] Support dependent bases in type hierarchy 2019-04-22 01:38:53 +00:00
compiler-rt [TSan] Support fiber API on macOS 2019-04-20 00:18:44 +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 travis: Add LLVM-8 build 2019-03-27 21:28:31 +00:00
libcxx Fix namespace name conflict with GCC 2019-04-23 18:23:33 +00:00
libcxxabi [libc++abi] Don't use a .sh.cpp test for uncaught_exception 2019-04-23 00:03:34 +00:00
libunwind [NFC] Fix typo in debug log 2019-04-22 15:40:50 +00:00
lld [WebAssembly] Fix typo in relocation checking 2019-04-23 14:49:38 +00:00
lldb [Reproducers] Limit logging to calls that cross the API boundary. 2019-04-23 17:44:40 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm [ThinLTO] Pass down opt level to LTO backend and handle -O0 LTO in new PM 2019-04-23 18:56:19 +00:00
openmp Use correct way to test for MIPS arch after rOMP355687 2019-04-22 19:20:46 +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 Apply include-what-you-use #include removal suggestions. NFC. 2019-03-28 20:19:49 +00:00
pstl [pstl] Add a serial backend for the PSTL 2019-04-18 18:20:19 +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
.gitignore Add a reduced copy of the llvm .gitignore 2019-04-09 00:52:49 +00:00
README.md
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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.