llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-offload

Author: Alexis Engelke (aengelke)

<details>
<summary>Changes</summary>

LLVM_REQUIRES_* are per-target flags that are never set globally. Yet, some 
files used these (undefined) flags for some logic. This patch emoves these dead 
checks/unconditionally executes the logic. Note that the referenced *.exports 
files are empty, so there is no need to make related logic conditional on MSVC.

---
Full diff: https://github.com/llvm/llvm-project/pull/175554.diff


4 Files Affected:

- (modified) clang/examples/LLVMPrintFunctionNames/CMakeLists.txt (+2-10) 
- (modified) clang/examples/PrintFunctionNames/CMakeLists.txt (+2-10) 
- (modified) llvm/tools/bugpoint-passes/CMakeLists.txt (+2-7) 
- (modified) offload/unittests/Conformance/lib/CMakeLists.txt (-4) 


``````````diff
diff --git a/clang/examples/LLVMPrintFunctionNames/CMakeLists.txt 
b/clang/examples/LLVMPrintFunctionNames/CMakeLists.txt
index 61e7a7842e2f3..fbab0f8773bc8 100644
--- a/clang/examples/LLVMPrintFunctionNames/CMakeLists.txt
+++ b/clang/examples/LLVMPrintFunctionNames/CMakeLists.txt
@@ -1,13 +1,5 @@
-# If we don't need RTTI or EH, there's no reason to export anything
-# from the plugin.
-if(NOT MSVC) # MSVC mangles symbols differently, and
-    # PrintLLVMFunctionNames.export contains C++ symbols.
-  if(NOT LLVM_REQUIRES_RTTI)
-    if(NOT LLVM_REQUIRES_EH)
-      set(LLVM_EXPORTED_SYMBOL_FILE 
${CMAKE_CURRENT_SOURCE_DIR}/LLVMPrintFunctionNames.exports)
-    endif()
-  endif()
-endif()
+# There's no reason to export anything from the plugin.
+set(LLVM_EXPORTED_SYMBOL_FILE 
${CMAKE_CURRENT_SOURCE_DIR}/LLVMPrintFunctionNames.exports)
 
 add_llvm_library(LLVMPrintFunctionNames MODULE LLVMPrintFunctionNames.cpp 
PLUGIN_TOOL clang)
 
diff --git a/clang/examples/PrintFunctionNames/CMakeLists.txt 
b/clang/examples/PrintFunctionNames/CMakeLists.txt
index 28da363729f3a..3668a3cdccf8e 100644
--- a/clang/examples/PrintFunctionNames/CMakeLists.txt
+++ b/clang/examples/PrintFunctionNames/CMakeLists.txt
@@ -1,13 +1,5 @@
-# If we don't need RTTI or EH, there's no reason to export anything
-# from the plugin.
-if( NOT MSVC ) # MSVC mangles symbols differently, and
-               # PrintFunctionNames.export contains C++ symbols.
-  if( NOT LLVM_REQUIRES_RTTI )
-    if( NOT LLVM_REQUIRES_EH )
-      set(LLVM_EXPORTED_SYMBOL_FILE 
${CMAKE_CURRENT_SOURCE_DIR}/PrintFunctionNames.exports)
-    endif()
-  endif()
-endif()
+# There's no reason to export anything from the plugin.
+set(LLVM_EXPORTED_SYMBOL_FILE 
${CMAKE_CURRENT_SOURCE_DIR}/PrintFunctionNames.exports)
 
 add_llvm_library(PrintFunctionNames MODULE PrintFunctionNames.cpp PLUGIN_TOOL 
clang)
 
diff --git a/llvm/tools/bugpoint-passes/CMakeLists.txt 
b/llvm/tools/bugpoint-passes/CMakeLists.txt
index 60fc1bde51371..53587a51c5081 100644
--- a/llvm/tools/bugpoint-passes/CMakeLists.txt
+++ b/llvm/tools/bugpoint-passes/CMakeLists.txt
@@ -2,13 +2,8 @@ if( NOT LLVM_BUILD_TOOLS )
   set(EXCLUDE_FROM_ALL ON)
 endif()
 
-# If we don't need RTTI or EH, there's no reason to export anything
-# from this plugin.
-if( NOT LLVM_REQUIRES_RTTI )
-  if( NOT LLVM_REQUIRES_EH )
-    set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/bugpoint.exports)
-  endif()
-endif()
+# There's no reason to export anything from the plugin.
+set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/bugpoint.exports)
 
 if(WIN32 OR CYGWIN OR ZOS)
   set(LLVM_LINK_COMPONENTS Core Support)
diff --git a/offload/unittests/Conformance/lib/CMakeLists.txt 
b/offload/unittests/Conformance/lib/CMakeLists.txt
index 8e86f101729ad..0d042ead4b5ac 100644
--- a/offload/unittests/Conformance/lib/CMakeLists.txt
+++ b/offload/unittests/Conformance/lib/CMakeLists.txt
@@ -3,9 +3,5 @@ add_library(MathTest STATIC
 
 target_include_directories(MathTest PUBLIC 
"${CMAKE_CURRENT_SOURCE_DIR}/../include")
 
-if(NOT LLVM_REQUIRES_RTTI)
-  target_compile_options(MathTest PUBLIC -fno-rtti)
-endif()
-
 include(FindLibcCommonUtils)
 target_link_libraries(MathTest PUBLIC LLVMOffload LLVMSupport LLVMDemangle 
llvm-libc-common-utilities)

``````````

</details>


https://github.com/llvm/llvm-project/pull/175554
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