[clang] [Fuchsia] Use IR PGO in the Fuchsia toolchain build (PR #156060)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Paul Kirth (ilovepi)

<details>
<summary>Changes</summary>

After #<!-- -->155957 pointed it out, we're actually using the frontend PGO in
the Fuchsia cmake cache files.

---
Full diff: https://github.com/llvm/llvm-project/pull/156060.diff


1 Files Affected:

- (modified) clang/cmake/caches/Fuchsia.cmake (+1-1) 


``````````diff
diff --git a/clang/cmake/caches/Fuchsia.cmake b/clang/cmake/caches/Fuchsia.cmake
index a3f86f673b493..46ae7c603f67a 100644
--- a/clang/cmake/caches/Fuchsia.cmake
+++ b/clang/cmake/caches/Fuchsia.cmake
@@ -179,7 +179,7 @@ set(BOOTSTRAP_LLVM_ENABLE_LLD ON CACHE BOOL "")
 set(BOOTSTRAP_LLVM_ENABLE_LTO ON CACHE BOOL "")
 
 if(FUCHSIA_ENABLE_PGO)
-  set(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED ON CACHE BOOL "")
+  set(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED IR CACHE BOOL "")
 
   set(_FUCHSIA_BOOTSTRAP_TARGETS
     generate-profdata

``````````

</details>


https://github.com/llvm/llvm-project/pull/156060