Custom lower PCMPEQ/PCMPGT intrinsics to target specific nodes and remove the intrinsic patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148687 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 6956a12d86..2655ce9610 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -9318,6 +9318,26 @@ X86TargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const
   case Intrinsic::x86_avx2_psrav_d_256:
     return DAG.getNode(ISD::SRA, dl, Op.getValueType(),
                       Op.getOperand(1), Op.getOperand(2));
+  case Intrinsic::x86_sse2_pcmpeq_b:
+  case Intrinsic::x86_sse2_pcmpeq_w:
+  case Intrinsic::x86_sse2_pcmpeq_d:
+  case Intrinsic::x86_sse41_pcmpeqq:
+  case Intrinsic::x86_avx2_pcmpeq_b:
+  case Intrinsic::x86_avx2_pcmpeq_w:
+  case Intrinsic::x86_avx2_pcmpeq_d:
+  case Intrinsic::x86_avx2_pcmpeq_q:
+    return DAG.getNode(X86ISD::PCMPEQ, dl, Op.getValueType(),
+                       Op.getOperand(1), Op.getOperand(2));
+  case Intrinsic::x86_sse2_pcmpgt_b:
+  case Intrinsic::x86_sse2_pcmpgt_w:
+  case Intrinsic::x86_sse2_pcmpgt_d:
+  case Intrinsic::x86_sse42_pcmpgtq:
+  case Intrinsic::x86_avx2_pcmpgt_b:
+  case Intrinsic::x86_avx2_pcmpgt_w:
+  case Intrinsic::x86_avx2_pcmpgt_d:
+  case Intrinsic::x86_avx2_pcmpgt_q:
+    return DAG.getNode(X86ISD::PCMPGT, dl, Op.getValueType(),
+                       Op.getOperand(1), Op.getOperand(2));
 
   // ptest and testp intrinsics. The intrinsic these come from are designed to
   // return an integer value, not just an instruction so lower it to the ptest