[Utils] Simplify code with DenseMap::operator[] (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-llvm-transforms

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/114932.diff

1 Files Affected:

• (modified) llvm/lib/Transforms/Utils/LoopUnroll.cpp (+1-1)

diff --git a/llvm/lib/Transforms/Utils/LoopUnroll.cpp b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
index 448eff38f8bc2d..ad5670ae331765 100644
--- a/llvm/lib/Transforms/Utils/LoopUnroll.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
@@ -523,7 +523,7 @@ llvm::UnrollLoop(Loop *L, UnrollLoopOptions ULO, LoopInfo *LI,
     if (!BI)
       continue;
 
-    ExitInfo &Info = ExitInfos.try_emplace(ExitingBlock).first->second;
+    ExitInfo &Info = ExitInfos[ExitingBlock];
     Info.TripCount = SE->getSmallConstantTripCount(L, ExitingBlock);
     Info.TripMultiple = SE->getSmallConstantTripMultiple(L, ExitingBlock);
     if (Info.TripCount != 0) {

[nikic]

LG