Fix 10892 - When lowering SIGN_EXTEND_INREG do not lower v2i64 because the

instruction set has no 64-bit SRA support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141570 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index a351fa5ca86aa8adec7d483843cbebabc3f5fc46..02c9f8ef228a02d1fe12f6cc60364eb3ccb91a2a 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -10125,11 +10125,6 @@ SDValue X86TargetLowering::LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG)
     switch (VT.getSimpleVT().SimpleTy) {
       default:
         return SDValue();
-      case MVT::v2i64: {
-        SHLIntrinsicsID = Intrinsic::x86_sse2_pslli_q;
-        SRAIntrinsicsID = 0;
-        break;
-      }
       case MVT::v4i32: {
         SHLIntrinsicsID = Intrinsic::x86_sse2_pslli_d;
         SRAIntrinsicsID = Intrinsic::x86_sse2_psrai_d;
@@ -10149,12 +10144,9 @@ SDValue X86TargetLowering::LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG)
     // In case of 1 bit sext, no need to shr
     if (ExtraVT.getScalarType().getSizeInBits() == 1) return Tmp1;
 
-    if (SRAIntrinsicsID) {
-      Tmp1 = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, VT,
-                         DAG.getConstant(SRAIntrinsicsID, MVT::i32),
-                         Tmp1, ShAmt);
-    }
-    return Tmp1;
+    return DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, VT,
+                       DAG.getConstant(SRAIntrinsicsID, MVT::i32),
+                       Tmp1, ShAmt);
   }
 
   return SDValue();

diff --git a/test/CodeGen/X86/sse2-blend.ll b/test/CodeGen/X86/sse2-blend.ll
index 1c86b31a8b8690105c31743a936dc9532b3e890e..56b099ec42e6aa6f8a04b288d01a18949d50b60e 100644 (file)
--- a/test/CodeGen/X86/sse2-blend.ll
+++ b/test/CodeGen/X86/sse2-blend.ll
@@ -24,8 +24,8 @@ define void@vsel_i32(<4 x i32>* %v1, <4 x i32>* %v2) {
 ; CHECK: vsel_i64
 ; CHECK: pxor
 ; CHECK: pand
-; CHECK: pandn
-; CHECK: por
+; CHECK: andnps
+; CHECK: orps
 ; CHECK: ret
 
 define void@vsel_i64(<4 x i64>* %v1, <4 x i64>* %v2) {
@@ -39,8 +39,8 @@ define void@vsel_i64(<4 x i64>* %v1, <4 x i64>* %v2) {
 ; CHECK: vsel_double
 ; CHECK: pxor
 ; CHECK: pand
-; CHECK: pandn
-; CHECK: por
+; CHECK: andnps
+; CHECK: orps
 ; CHECK: ret