================
@@ -2422,6 +2438,15 @@ void LoopAccessInfo::analyzeLoop(AAResults *AA, LoopInfo
*LI,
// Save 'store' instructions. Abort if other instructions write to
memory.
if (I.mayWriteToMemory()) {
+ // We can safety handle math functions that have vectorized
+ // counterparts and have the memory write-only attribute set.
+ if (isMathLibCallMemWriteOnly(TLI, I)) {
----------------
mgabka wrote:
in the read case we also check for !VFDatabase::getMappings(*Call).empty(), but
i think it should be enough that LV checks for it, that allows also to test
your code in a target agnostic way, and without mappings for frexp
https://github.com/llvm/llvm-project/pull/78432
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