[llvm] [AArch64][Codegen]Transform saturating smull to sqdmulh (PR #143671)

David Green via llvm-commits llvm-commits at lists.llvm.org
Sun Jun 29 13:24:28 PDT 2025


================
@@ -20717,6 +20717,83 @@ static SDValue performBuildVectorCombine(SDNode *N,
   return SDValue();
 }
 
+// A special combine for the vqdmulh family of instructions.
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davemgreen wrote:

vqdmulh->sqdmulh

https://github.com/llvm/llvm-project/pull/143671


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