[llvm] [Matrix][InstCombine] Collapse inverse Transposes (PR #224172)

[Nikita Popov via llvm-commits]

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@@ -3174,6 +3174,16 @@ Instruction *InstCombinerImpl::visitCallInst(CallInst &CI) {
 
     break;
   }
+  case Intrinsic::matrix_transpose: {
+    Value *Matrix;
+    ConstantInt *Rows = cast<ConstantInt>(II->getArgOperand(1));
+    ConstantInt *Columns = cast<ConstantInt>(II->getArgOperand(2));
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nikic wrote:

No need to cast these to ConstantInt really...

https://github.com/llvm/llvm-project/pull/224172