[flang-commits] [clang] [flang] [llvm] [flang][cmake][perf-training] Optimize flang with PGO and BOLT (PR #198863)

[Michael Kruse via flang-commits]

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@@ -0,0 +1,19 @@
+# Two-stage build of Flang with the 2nd stage optimized using BOLT
+
+set(CMAKE_BUILD_TYPE Release CACHE STRING "")
+set(CLANG_BOLT "INSTRUMENT" CACHE STRING "")
+set(FLANG_BOLT ${CLANG_BOLT} CACHE STRING "")
+set(CMAKE_EXE_LINKER_FLAGS "-Wl,--emit-relocs,-znow" CACHE STRING "")
+set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--emit-relocs,-znow" CACHE STRING "")
+
+set(LLVM_ENABLE_PROJECTS "bolt;clang;flang" CACHE STRING "")
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Meinersbur wrote:

The others have lld enabled, but not this one?

https://github.com/llvm/llvm-project/pull/198863