[VECTOR-SELECT]
During type legalization we often use the SIGN_EXTEND_INREG SDNode.
When this SDNode is legalized during the LegalizeVector phase, it is
scalarized because non-simple types are automatically marked to be expanded.
In this patch we add support for lowering SIGN_EXTEND_INREG manually.
This fixes CodeGen/X86/vec_sext.ll when running with the '-promote-elements'
flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135144 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index 80f1323..b603678 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -825,6 +825,7 @@
SDValue LowerLOAD_SUB(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerREADCYCLECOUNTER(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerMEMBARRIER(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const;
// Utility functions to help LowerVECTOR_SHUFFLE
SDValue LowerVECTOR_SHUFFLEv8i16(SDValue Op, SelectionDAG &DAG) const;