================
@@ -2274,6 +2274,26 @@ bool LoopAccessInfo::canAnalyzeLoop() {
return true;
}
+/// Returns whether \p I is a known math library call that has attribute
+/// 'memory(argmem: write)' set.
+static bool isMathLibCallMemWriteOnly(const TargetLibraryInfo *TLI,
+ const Instruction &I) {
+ auto *Call = dyn_cast<CallInst>(&I);
+ if (!Call)
+ return false;
+
+ Function *F = Call->getCalledFunction();
+ if (!F->hasFnAttribute(Attribute::AttrKind::Memory))
+ return false;
+
+ auto ME = F->getFnAttribute(Attribute::AttrKind::Memory).getMemoryEffects();
----------------
paschalis-mpeis wrote:
Good suggestion thanks, latest commit applies this.
https://github.com/llvm/llvm-project/pull/78432
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