[llvm] [AttributorLight] Without liveness checks, look at all functions (PR #91004)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Johannes Doerfert (jdoerfert)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/91004.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/IPO/Attributor.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index e3920b9e1d2ba..b6866580ccd3f 100644
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -3954,7 +3954,7 @@ static bool runAttributorLightOnFunctions(InformationCache &InfoCache,
     // We look at internal functions only on-demand but if any use is not a
     // direct call or outside the current set of analyzed functions, we have
     // to do it eagerly.
-    if (F->hasLocalLinkage()) {
+    if (AC.UseLiveness && F->hasLocalLinkage()) {
       if (llvm::all_of(F->uses(), [&Functions](const Use &U) {
             const auto *CB = dyn_cast<CallBase>(U.getUser());
             return CB && CB->isCallee(&U) &&

``````````

</details>


https://github.com/llvm/llvm-project/pull/91004