[llvm] [DFAJumpThreading] Avoid repeated hash lookups (NFC) (PR #107670)
via llvm-commits
llvm-commits at lists.llvm.org
Fri Sep 6 23:48:12 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-transforms
Author: Kazu Hirata (kazutakahirata)
<details>
<summary>Changes</summary>
---
Full diff: https://github.com/llvm/llvm-project/pull/107670.diff
1 Files Affected:
- (modified) llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp (+2-4)
``````````diff
diff --git a/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp b/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp
index 58f06ca8b0297b..ef9c264482a640 100644
--- a/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp
+++ b/llvm/lib/Transforms/Scalar/DFAJumpThreading.cpp
@@ -502,10 +502,8 @@ struct MainSwitch {
void addToQueue(Value *Val, BasicBlock *BB,
std::deque<std::pair<Value *, BasicBlock *>> &Q,
SmallSet<Value *, 16> &SeenValues) {
- if (SeenValues.contains(Val))
- return;
- Q.push_back({Val, BB});
- SeenValues.insert(Val);
+ if (SeenValues.insert(Val).second)
+ Q.push_back({Val, BB});
}
bool isValidSelectInst(SelectInst *SI) {
``````````
</details>
https://github.com/llvm/llvm-project/pull/107670
More information about the llvm-commits
mailing list