================
@@ -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)) {
+ LLVM_DEBUG(dbgs()
+ << "LAA: allow math function with write-only attribute:"
----------------
mgabka wrote:
I think it is worth to edit this message a bit so it gives the full context in
dbg output, what about:
"LAA: Allow to vectorize math function with write-only attribute:" ?
(also the dbg message start from capital letter)
https://github.com/llvm/llvm-project/pull/78432
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