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-rw-r--r--llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp3
-rw-r--r--llvm/lib/Target/ARM/ARMInstrNEON.td4
2 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
index ffb9acb2f2c..435d6a97438 100644
--- a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -2825,7 +2825,8 @@ SDNode *ARMDAGToDAGISel::Select(SDNode *N) {
case MVT::v8i8: Opc = ARM::VZIPd8; break;
case MVT::v4i16: Opc = ARM::VZIPd16; break;
case MVT::v2f32:
- case MVT::v2i32: Opc = ARM::VZIPd32; break;
+ // vzip.32 Dd, Dm is a pseudo-instruction expanded to vtrn.32 Dd, Dm.
+ case MVT::v2i32: Opc = ARM::VTRNd32; break;
case MVT::v16i8: Opc = ARM::VZIPq8; break;
case MVT::v8i16: Opc = ARM::VZIPq16; break;
case MVT::v4f32:
diff --git a/llvm/lib/Target/ARM/ARMInstrNEON.td b/llvm/lib/Target/ARM/ARMInstrNEON.td
index c2b8ce466da..231e31aedc0 100644
--- a/llvm/lib/Target/ARM/ARMInstrNEON.td
+++ b/llvm/lib/Target/ARM/ARMInstrNEON.td
@@ -5388,7 +5388,9 @@ def VUZPq32 : N2VQShuffle<0b10, 0b00010, IIC_VPERMQ3, "vuzp", "32">;
def VZIPd8 : N2VDShuffle<0b00, 0b00011, "vzip", "8">;
def VZIPd16 : N2VDShuffle<0b01, 0b00011, "vzip", "16">;
-def VZIPd32 : N2VDShuffle<0b10, 0b00011, "vzip", "32">;
+// vzip.32 Dd, Dm is a pseudo-instruction expanded to vtrn.32 Dd, Dm.
+def : NEONInstAlias<"vzip${p}.32 $Dd, $Dm",
+ (VTRNd32 DPR:$Dd, DPR:$Dm, pred:$p)>;
def VZIPq8 : N2VQShuffle<0b00, 0b00011, IIC_VPERMQ3, "vzip", "8">;
def VZIPq16 : N2VQShuffle<0b01, 0b00011, IIC_VPERMQ3, "vzip", "16">;
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