[PowerPC] Avoid repeated hash lookups (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-backend-powerpc

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/132145.diff

1 Files Affected:

• (modified) llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp (+3-3)

diff --git a/llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp b/llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp
index 800b96c45aecc..26cca52c2c480 100644
--- a/llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp
+++ b/llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp
@@ -936,9 +936,9 @@ bool PPCLoopInstrFormPrep::prepareBaseForDispFormChain(Bucket &BucketChain,
   // 1 X form.
   unsigned MaxCountRemainder = 0;
   for (unsigned j = 0; j < (unsigned)Form; j++)
-    if ((RemainderOffsetInfo.contains(j)) &&
-        RemainderOffsetInfo[j].second >
-            RemainderOffsetInfo[MaxCountRemainder].second)
+    if (auto It = RemainderOffsetInfo.find(j);
+        It != RemainderOffsetInfo.end() &&
+        It->second.second > RemainderOffsetInfo[MaxCountRemainder].second)
       MaxCountRemainder = j;
 
   // Abort when there are too few insts with common base.