[llvm] b1c8228 - [CMake] Remove LLVM_ENABLE_IR_PGO Option (#155958)

[via llvm-commits]

Author: Aiden Grossman
Date: 2025-08-29T10:38:27-07:00
New Revision: b1c8228bcddc1de14294dff96448bcf9be23cbaf

URL: https://github.com/llvm/llvm-project/commit/b1c8228bcddc1de14294dff96448bcf9be23cbaf
DIFF: https://github.com/llvm/llvm-project/commit/b1c8228bcddc1de14294dff96448bcf9be23cbaf.diff

LOG: [CMake] Remove LLVM_ENABLE_IR_PGO Option (#155958)

It has been deprecated for eight years now
(a702fa17f31abd5efce302ef3d4cf2fbaf167368), and all users that I know of
are using LLVM_BUILD_INSTRUMENTED.

Added: 
    

Modified: 
    llvm/cmake/modules/HandleLLVMOptions.cmake

Removed: 
    


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diff  --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
index d3c6e9f6a168c..ce7464ea1ca2b 100644
--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
+++ b/llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -1172,16 +1172,13 @@ if(LLVM_ENABLE_EH AND NOT LLVM_ENABLE_RTTI)
   message(FATAL_ERROR "Exception handling requires RTTI. You must set LLVM_ENABLE_RTTI to ON")
 endif()
 
-option(LLVM_ENABLE_IR_PGO "Build LLVM and tools with IR PGO instrumentation (deprecated)" Off)
-mark_as_advanced(LLVM_ENABLE_IR_PGO)
-
 set(LLVM_BUILD_INSTRUMENTED OFF CACHE STRING "Build LLVM and tools with PGO instrumentation. May be specified as IR or Frontend")
 set(LLVM_VP_COUNTERS_PER_SITE "1.5" CACHE STRING "Value profile counters to use per site for IR PGO with Clang")
 mark_as_advanced(LLVM_BUILD_INSTRUMENTED LLVM_VP_COUNTERS_PER_SITE)
 string(TOUPPER "${LLVM_BUILD_INSTRUMENTED}" uppercase_LLVM_BUILD_INSTRUMENTED)
 
 if (LLVM_BUILD_INSTRUMENTED)
-  if (LLVM_ENABLE_IR_PGO OR uppercase_LLVM_BUILD_INSTRUMENTED STREQUAL "IR")
+  if (uppercase_LLVM_BUILD_INSTRUMENTED STREQUAL "IR")
     append("-fprofile-generate=\"${LLVM_PROFILE_DATA_DIR}\""
       CMAKE_CXX_FLAGS
       CMAKE_C_FLAGS)