[llvm] [DAG] Always use stack to promote bitcast when the source is vector (PR #151065)

[Min-Yih Hsu via llvm-commits]

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@@ -2218,7 +2218,8 @@ SDValue DAGTypeLegalizer::PromoteIntOp_BITCAST(SDNode *N) {
   switch (getTypeAction(InVT)) {
   case TargetLowering::TypePromoteInteger: {
     // TODO: Handle big endian
-    if (OutVT.isVector() && DAG.getDataLayout().isLittleEndian()) {
+    if (OutVT.isVector() && !InVT.isVector() &&
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mshockwave wrote:

Done.

https://github.com/llvm/llvm-project/pull/151065