From 1b14bdc0b85f1e32439f0d8e1e744e3604fdb7af Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Fri, 26 Jan 2018 17:19:59 +0000
Subject: [X86][AVX] LowerBUILD_VECTORAsVariablePermute - add support for
 VPERMILPV to v4i32/v4f32

Extension to D42431, adding support for v4i32/v4f32 as well as v2i64/v2f64 now that D42308 has landed

llvm-svn: 323542
---
 llvm/lib/Target/X86/X86ISelLowering.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 5bc274eb5a2..7b857bc0880 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -7847,6 +7847,13 @@ LowerBUILD_VECTORAsVariablePermute(SDValue V, SelectionDAG &DAG,
       if (Subtarget.hasSSE3())
         Opcode = X86ISD::PSHUFB;
       break;
+    case MVT::v4f32:
+    case MVT::v4i32:
+      if (Subtarget.hasAVX()) {
+        Opcode = X86ISD::VPERMILPV;
+        ShuffleVT = MVT::v4f32;
+      }
+      break;
     case MVT::v2f64:
     case MVT::v2i64:
       if (Subtarget.hasAVX()) {
-- 
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