[llvm] [DSE] Simpily if condition (NFC) (PR #137777)

via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 29 02:50:48 PDT 2025


https://github.com/NewSigma created https://github.com/llvm/llvm-project/pull/137777

Note that the key-value pair has already been initialized, so assignment is not necessary.

>From 0f21cd1c7409265cb5cedcde79347b1f84de1d42 Mon Sep 17 00:00:00 2001
From: NewSigma <NewSigma at 163.com>
Date: Tue, 29 Apr 2025 15:44:13 +0800
Subject: [PATCH] [DSE] Simpily if condition (NFC)

---
 llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
index 0521df8b818cf..ce210fc26a871 100644
--- a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
+++ b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
@@ -1210,13 +1210,11 @@ struct DSEState {
   bool isInvisibleToCallerAfterRet(const Value *V) {
     if (isa<AllocaInst>(V))
       return true;
+
     auto I = InvisibleToCallerAfterRet.insert({V, false});
     if (I.second) {
-      if (!isInvisibleToCallerOnUnwind(V)) {
-        I.first->second = false;
-      } else if (isNoAliasCall(V)) {
+      if (isInvisibleToCallerOnUnwind(V) && isNoAliasCall(V))
         I.first->second = !PointerMayBeCaptured(V, /*ReturnCaptures=*/true);
-      }
     }
     return I.first->second;
   }



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