[llvm] [Transforms] Avoid repeated hash lookups (NFC) (PR #113120)
Kazu Hirata via llvm-commits
llvm-commits at lists.llvm.org
Sun Oct 20 18:46:08 PDT 2024
https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/113120
None
>From b4f42c8cdf2b9e288f86df9c0a0d5035e0a7279f Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sun, 20 Oct 2024 12:08:46 -0700
Subject: [PATCH] [Transforms] Avoid repeated hash lookups (NFC)
---
llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp b/llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp
index e323b391179ee0..eaf58ea8dd9d06 100644
--- a/llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp
+++ b/llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp
@@ -1462,9 +1462,12 @@ class LowerMatrixIntrinsics {
if (!CanBeFlattened(Op))
return;
- if (match(Op, m_BinOp()) && ShapeMap.find(Op) != ShapeMap.end()) {
- ShapeMap[Op] = ShapeMap[Op].t();
- return;
+ if (match(Op, m_BinOp())) {
+ auto It = ShapeMap.find(Op);
+ if (It != ShapeMap.end()) {
+ It->second = It->second.t();
+ return;
+ }
}
FusedInsts.insert(cast<Instruction>(Op));
More information about the llvm-commits
mailing list