[llvm] [SelectionDAG] Handle roundeven libcall in visitCall (PR #170690)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-selectiondag

Author: None (valadaptive)

<details>
<summary>Changes</summary>

We can now lower it to its proper instruction.


---
Full diff: https://github.com/llvm/llvm-project/pull/170690.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp (+6) 


``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 09a0673bfe1bb..6f22730c90efe 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -9710,6 +9710,12 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) {
         if (visitUnaryFloatCall(I, ISD::FROUND))
           return;
         break;
+      case LibFunc_roundeven:
+      case LibFunc_roundevenf:
+      case LibFunc_roundevenl:
+        if (visitUnaryFloatCall(I, ISD::FROUNDEVEN))
+          return;
+        break;
       case LibFunc_trunc:
       case LibFunc_truncf:
       case LibFunc_truncl:

``````````

</details>


https://github.com/llvm/llvm-project/pull/170690