From a7b1d455cc14be765b511bd5070a453b8d15858c Mon Sep 17 00:00:00 2001
From: Quentin Colombet <qcolombet@apple.com>
Date: Tue, 8 Mar 2016 00:02:50 +0000
Subject: [PATCH] [llvm-config] Teach llvm-config about global-isel.

llvm-config can know tell whether or not a build has been configured to support
global-isel.
Use '--has-global-isel' for that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262877 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/llvm-config/BuildVariables.inc.in | 1 +
 tools/llvm-config/CMakeLists.txt        | 1 +
 tools/llvm-config/llvm-config.cpp       | 3 +++
 3 files changed, 5 insertions(+)

diff --git a/tools/llvm-config/BuildVariables.inc.in b/tools/llvm-config/BuildVariables.inc.in
index 952c2a8a127..709ea35044c 100644
--- a/tools/llvm-config/BuildVariables.inc.in
+++ b/tools/llvm-config/BuildVariables.inc.in
@@ -33,3 +33,4 @@
 #define LLVM_ENABLE_SHARED "@LLVM_ENABLE_SHARED@"
 #define LLVM_DYLIB_COMPONENTS "@LLVM_DYLIB_COMPONENTS@"
 #define LLVM_DYLIB_VERSION "@LLVM_DYLIB_VERSION@"
+#define LLVM_HAS_GLOBAL_ISEL "@LLVM_HAS_GLOBAL_ISEL@"
diff --git a/tools/llvm-config/CMakeLists.txt b/tools/llvm-config/CMakeLists.txt
index d149b7e65fd..32d0f4c6bd6 100644
--- a/tools/llvm-config/CMakeLists.txt
+++ b/tools/llvm-config/CMakeLists.txt
@@ -31,6 +31,7 @@ set(LLVM_CXXFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_
 set(LLVM_BUILD_SYSTEM cmake)
 set(LLVM_HAS_RTTI ${LLVM_CONFIG_HAS_RTTI})
 set(LLVM_DYLIB_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}${LLVM_VERSION_SUFFIX}")
+set(LLVM_HAS_GLOBAL_ISEL "${LLVM_BUILD_GLOBAL_ISEL}")
 
 # Use the C++ link flags, since they should be a superset of C link flags.
 set(LLVM_LDFLAGS "${CMAKE_CXX_LINK_FLAGS}")
diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
index e5b121006f5..76a40da4960 100644
--- a/tools/llvm-config/llvm-config.cpp
+++ b/tools/llvm-config/llvm-config.cpp
@@ -211,6 +211,7 @@ Options:\n\
   --assertion-mode  Print assertion mode of LLVM tree (ON or OFF).\n\
   --build-system    Print the build system used to build LLVM (autoconf or cmake).\n\
   --has-rtti        Print whether or not LLVM was built with rtti (YES or NO).\n\
+  --has-global-isel Print whether or not LLVM was built with global-isel support (YES or NO).\n\
   --shared-mode     Print how the provided components can be collectively linked (`shared` or `static`).\n\
   --link-shared     Link the components as shared libraries.\n\
   --link-static     Link the component libraries statically.\n\
@@ -559,6 +560,8 @@ int main(int argc, char **argv) {
         OS << LLVM_BUILD_SYSTEM << '\n';
       } else if (Arg == "--has-rtti") {
         OS << LLVM_HAS_RTTI << '\n';
+      } else if (Arg == "--has-global-isel") {
+        OS << LLVM_HAS_GLOBAL_ISEL << '\n';
       } else if (Arg == "--shared-mode") {
         PrintSharedMode = true;
       } else if (Arg == "--obj-root") {