[llvm] [InstCombine] Fold abs(a * abs(b)) --> abs(a * b) (PR #78110)

[via llvm-commits]

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@@ -218,6 +218,16 @@ Instruction *InstCombinerImpl::visitMul(BinaryOperator &I) {
                   : BinaryOperator::CreateNeg(Op0);
   }
 
+  {
+    // abs(a * abs(b)) --> abs(a * b)
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elhewaty wrote:

@dtcxzyw, @nikic updated.

https://github.com/llvm/llvm-project/pull/78110