[llvm] LoopVectorize: run verifyFunction once (PR #91470)

[David Sherwood via llvm-commits]

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@@ -624,7 +624,7 @@ option(LLVM_ENABLE_DUMP "Enable dump functions even when assertions are disabled
 option(LLVM_UNREACHABLE_OPTIMIZE "Optimize llvm_unreachable() as undefined behavior (default), guaranteed trap when OFF" ON)
 
 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
-  option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
+  option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
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david-arm wrote:

Depending upon what @fhahn thinks this patch looks reasonable to me - reducing compile time even for an assertion build should help our buildbots. The results @nikic posted for the compile-time tracker looked good. I guess you'd need to revert this change first though.

https://github.com/llvm/llvm-project/pull/91470