[clang] [CMake] Fix variable name (PR #127967)

[Petr Hosek via cfe-commits]

https://github.com/petrhosek created https://github.com/llvm/llvm-project/pull/127967

This was accidentaly introduced in #126876.

>From 811f3ce860a5e544000166ccd06df3bb8cf5ec6b Mon Sep 17 00:00:00 2001
From: Petr Hosek <phosek at google.com>
Date: Thu, 20 Feb 2025 07:39:23 +0000
Subject: [PATCH] [CMake] Fix variable name

This was accidentaly introduced in #126876.
---
 clang/utils/perf-training/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/utils/perf-training/CMakeLists.txt b/clang/utils/perf-training/CMakeLists.txt
index 0c1cdd9a1fb60..1d7bb788a15ed 100644
--- a/clang/utils/perf-training/CMakeLists.txt
+++ b/clang/utils/perf-training/CMakeLists.txt
@@ -9,7 +9,7 @@ set(CLANG_PGO_TRAINING_DEPS "" CACHE STRING "Extra dependencies needed to build
 option(CLANG_PGO_TRAINING_USE_LLVM_BUILD "Use LLVM build for generating PGO data" ON)
 
 llvm_canonicalize_cmake_booleans(
-  CLANG_PGO_TRAINING_USE_LLVM
+  CLANG_PGO_TRAINING_USE_LLVM_BUILD
 )
 
 if(LLVM_BUILD_INSTRUMENTED)