[llvm-branch-commits] [llvm] aafb366 - Reland [CMake][NewPM] Move ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER into llvm/

Arthur Eubanks via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Tue Dec 1 14:06:39 PST 2020


Author: Arthur Eubanks
Date: 2020-12-01T14:00:32-08:00
New Revision: aafb3662103f4b3df315967c0cf4f6eec6bff0c4

URL: https://github.com/llvm/llvm-project/commit/aafb3662103f4b3df315967c0cf4f6eec6bff0c4
DIFF: https://github.com/llvm/llvm-project/commit/aafb3662103f4b3df315967c0cf4f6eec6bff0c4.diff

LOG: Reland [CMake][NewPM] Move ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER into llvm/

This allows us to use its value everywhere, rather than just clang. Some
other places, like opt and lld, will use its value soon.

Rename it internally to LLVM_ENABLE_NEW_PASS_MANAGER.

The #define for it is now in llvm-config.h.

The initial land accidentally set the value of
LLVM_ENABLE_NEW_PASS_MANAGER to the string
ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER instead of its value.

Reviewed By: rnk, hans

Differential Revision: https://reviews.llvm.org/D92072

Added: 
    

Modified: 
    clang/CMakeLists.txt
    clang/include/clang/Config/config.h.cmake
    clang/include/clang/Driver/Options.td
    clang/lib/Driver/ToolChains/CommonArgs.cpp
    clang/lib/Frontend/CompilerInvocation.cpp
    clang/test/CMakeLists.txt
    clang/test/lit.site.cfg.py.in
    llvm/CMakeLists.txt
    llvm/include/llvm/Config/llvm-config.h.cmake
    llvm/utils/gn/secondary/clang/include/clang/Config/BUILD.gn
    llvm/utils/gn/secondary/clang/test/BUILD.gn
    llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn

Removed: 
    


################################################################################
diff  --git a/clang/CMakeLists.txt b/clang/CMakeLists.txt
index 8c539e80946d..f947b820bdac 100644
--- a/clang/CMakeLists.txt
+++ b/clang/CMakeLists.txt
@@ -242,9 +242,6 @@ set(ENABLE_LINKER_BUILD_ID OFF CACHE BOOL "pass --build-id to ld")
 set(ENABLE_X86_RELAX_RELOCATIONS ON CACHE BOOL
     "enable x86 relax relocations by default")
 
-set(ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER FALSE CACHE BOOL
-  "Enable the experimental new pass manager by default.")
-
 set(CLANG_SPAWN_CC1 OFF CACHE BOOL
     "Whether clang should use a new process for the CC1 invocation")
 

diff  --git a/clang/include/clang/Config/config.h.cmake b/clang/include/clang/Config/config.h.cmake
index 26e9d5c4eb4d..a240862c5289 100644
--- a/clang/include/clang/Config/config.h.cmake
+++ b/clang/include/clang/Config/config.h.cmake
@@ -75,9 +75,6 @@
 /* enable x86 relax relocations by default */
 #cmakedefine01 ENABLE_X86_RELAX_RELOCATIONS
 
-/* Enable the experimental new pass manager by default */
-#cmakedefine01 ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER
-
 /* Enable each functionality of modules */
 #cmakedefine01 CLANG_ENABLE_ARCMT
 #cmakedefine01 CLANG_ENABLE_OBJC_REWRITER

diff  --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 48d0e2d6235b..6e37a3154bdf 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -1349,7 +1349,7 @@ def fglobal_isel : Flag<["-"], "fglobal-isel">, Group<f_clang_Group>,
 def fexperimental_isel : Flag<["-"], "fexperimental-isel">, Group<f_clang_Group>,
   Alias<fglobal_isel>;
 defm experimental_new_pass_manager : BooleanMarshalledFFlag<"experimental-new-pass-manager", "CodeGenOpts.ExperimentalNewPassManager",
-  "static_cast<unsigned>(ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER)", "Enables an experimental new pass manager in LLVM.",
+  "static_cast<unsigned>(LLVM_ENABLE_NEW_PASS_MANAGER)", "Enables an experimental new pass manager in LLVM.",
   "Disables an experimental new pass manager in LLVM.">, Group<f_clang_Group>, Flags<[CC1Option]>;
 def fexperimental_strict_floating_point : Flag<["-"], "fexperimental-strict-floating-point">,
   Group<f_clang_Group>, Flags<[CC1Option]>,

diff  --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index d765b4cb598d..034fab229ef6 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -37,6 +37,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Twine.h"
+#include "llvm/Config/llvm-config.h"
 #include "llvm/Option/Arg.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Option/Option.h"
@@ -597,7 +598,7 @@ void tools::addLTOOptions(const ToolChain &ToolChain, const ArgList &Args,
   // Need this flag to turn on new pass manager via Gold plugin.
   if (Args.hasFlag(options::OPT_fexperimental_new_pass_manager,
                    options::OPT_fno_experimental_new_pass_manager,
-                   /* Default */ ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER)) {
+                   /* Default */ LLVM_ENABLE_NEW_PASS_MANAGER)) {
     CmdArgs.push_back("-plugin-opt=new-pass-manager");
   }
 

diff  --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index f72e0fc10a32..068c8608ca65 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -58,6 +58,7 @@
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/ADT/Twine.h"
+#include "llvm/Config/llvm-config.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/Linker/Linker.h"
 #include "llvm/MC/MCTargetOptions.h"

diff  --git a/clang/test/CMakeLists.txt b/clang/test/CMakeLists.txt
index 2aff029cfbf1..a913b35ed567 100644
--- a/clang/test/CMakeLists.txt
+++ b/clang/test/CMakeLists.txt
@@ -15,7 +15,7 @@ llvm_canonicalize_cmake_booleans(
   CLANG_ENABLE_STATIC_ANALYZER
   CLANG_SPAWN_CC1
   ENABLE_BACKTRACES
-  ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER
+  LLVM_ENABLE_NEW_PASS_MANAGER
   LLVM_ENABLE_ZLIB
   LLVM_ENABLE_PER_TARGET_RUNTIME_DIR
   LLVM_ENABLE_PLUGINS

diff  --git a/clang/test/lit.site.cfg.py.in b/clang/test/lit.site.cfg.py.in
index 9cbb6eb7081a..eb01720249af 100644
--- a/clang/test/lit.site.cfg.py.in
+++ b/clang/test/lit.site.cfg.py.in
@@ -24,7 +24,7 @@ config.clang_staticanalyzer_z3 = "@LLVM_WITH_Z3@"
 config.clang_examples = @CLANG_BUILD_EXAMPLES@
 config.enable_shared = @ENABLE_SHARED@
 config.enable_backtrace = @ENABLE_BACKTRACES@
-config.enable_experimental_new_pass_manager = @ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER@
+config.enable_experimental_new_pass_manager = @LLVM_ENABLE_NEW_PASS_MANAGER@
 config.enable_threads = @LLVM_ENABLE_THREADS@
 config.host_arch = "@HOST_ARCH@"
 config.python_executable = "@Python3_EXECUTABLE@"

diff  --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index 1f43dd5eb390..c085f889cc4a 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -697,6 +697,9 @@ else()
 endif()
 option(LLVM_ENABLE_PLUGINS "Enable plugin support" ${LLVM_ENABLE_PLUGINS_default})
 
+set(ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER FALSE CACHE BOOL
+  "Enable the experimental new pass manager by default.")
+
 include(HandleLLVMOptions)
 
 find_package(Python3 COMPONENTS Interpreter)
@@ -809,6 +812,10 @@ if (NOT TENSORFLOW_AOT_PATH STREQUAL "")
     ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/tf_runtime)
 endif()
 
+# Keep the legacy CMake flag ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER for
+# compatibility.
+set(LLVM_ENABLE_NEW_PASS_MANAGER ${ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER})
+
 # Configure the three LLVM configuration header files.
 configure_file(
   ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake

diff  --git a/llvm/include/llvm/Config/llvm-config.h.cmake b/llvm/include/llvm/Config/llvm-config.h.cmake
index 452c56e408de..b5fa20f789a6 100644
--- a/llvm/include/llvm/Config/llvm-config.h.cmake
+++ b/llvm/include/llvm/Config/llvm-config.h.cmake
@@ -91,4 +91,7 @@
 /* Define to 1 if you have the <sysexits.h> header file. */
 #cmakedefine HAVE_SYSEXITS_H ${HAVE_SYSEXITS_H}
 
+/* Define to 1 to enable the experimental new pass manager by default */
+#cmakedefine01 LLVM_ENABLE_NEW_PASS_MANAGER
+
 #endif

diff  --git a/llvm/utils/gn/secondary/clang/include/clang/Config/BUILD.gn b/llvm/utils/gn/secondary/clang/include/clang/Config/BUILD.gn
index 49fc477d35f6..66c5a17a64a5 100644
--- a/llvm/utils/gn/secondary/clang/include/clang/Config/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/include/clang/Config/BUILD.gn
@@ -34,7 +34,6 @@ write_cmake_config("Config") {
     "BACKEND_PACKAGE_STRING=LLVM ${llvm_version}git",
     "ENABLE_LINKER_BUILD_ID=",
     "ENABLE_X86_RELAX_RELOCATIONS=1",
-    "ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER=",
     "CLANG_ENABLE_OBJC_REWRITER=1",  # FIXME: flag?
     "CLANG_SYSTEMZ_DEFAULT_ARCH=z10",
   ]

diff  --git a/llvm/utils/gn/secondary/clang/test/BUILD.gn b/llvm/utils/gn/secondary/clang/test/BUILD.gn
index c5bb60bb54e8..e8781bec188a 100644
--- a/llvm/utils/gn/secondary/clang/test/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/test/BUILD.gn
@@ -57,7 +57,7 @@ write_lit_config("lit_site_cfg") {
     # builds exist, to make sure it's a toolchain var.
     "CMAKE_CXX_COMPILER=c++",
     "ENABLE_BACKTRACES=1",
-    "ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER=0",
+    "LLVM_ENABLE_NEW_PASS_MANAGER=0",
     "LLVM_HOST_TRIPLE=$llvm_current_triple",
     "LLVM_LIT_TOOLS_DIR=",  # Intentionally empty, matches cmake build.
     "LLVM_USE_SANITIZER=",

diff  --git a/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn b/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
index 8e0f9225e0f5..389d5e962bc9 100644
--- a/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
@@ -346,6 +346,7 @@ write_cmake_config("llvm-config") {
     "LLVM_VERSION_PATCH=$llvm_version_patch",
     "LLVM_WITH_Z3=",
     "PACKAGE_VERSION=${llvm_version}git",
+    "LLVM_ENABLE_NEW_PASS_MANAGER=",
   ]
 
   if (current_os == "win") {


        


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