[X86] Redefine avx512 packed fpclass intrinsics to return a vXi1 mask and implement...

Additional IR is emitted to convert between scalar and vXi1 type to match the expected software inferface for the builtin that clang exposes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@335564 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index de96127987fc93c1c8b234b7889eff29dbc0cfbd..09edfa7568f865a4924b3d7f6480494f38e8a50f 100644 (file)
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -10120,6 +10120,43 @@ Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
     return Builder.CreateExtractValue(Call, 1);
   }
 
+  case X86::BI__builtin_ia32_fpclassps128_mask:
+  case X86::BI__builtin_ia32_fpclassps256_mask:
+  case X86::BI__builtin_ia32_fpclassps512_mask:
+  case X86::BI__builtin_ia32_fpclasspd128_mask:
+  case X86::BI__builtin_ia32_fpclasspd256_mask:
+  case X86::BI__builtin_ia32_fpclasspd512_mask: {
+    unsigned NumElts = Ops[0]->getType()->getVectorNumElements();
+    Value *MaskIn = Ops[2];
+    Ops.erase(&Ops[2]);
+
+    Intrinsic::ID ID;
+    switch (BuiltinID) {
+    default: llvm_unreachable("Unsupported intrinsic!");
+    case X86::BI__builtin_ia32_fpclassps128_mask:
+      ID = Intrinsic::x86_avx512_mask_fpclass_ps_128;
+      break;
+    case X86::BI__builtin_ia32_fpclassps256_mask:
+      ID = Intrinsic::x86_avx512_mask_fpclass_ps_256;
+      break;
+    case X86::BI__builtin_ia32_fpclassps512_mask:
+      ID = Intrinsic::x86_avx512_mask_fpclass_ps_512;
+      break;
+    case X86::BI__builtin_ia32_fpclasspd128_mask:
+      ID = Intrinsic::x86_avx512_mask_fpclass_pd_128;
+      break;
+    case X86::BI__builtin_ia32_fpclasspd256_mask:
+      ID = Intrinsic::x86_avx512_mask_fpclass_pd_256;
+      break;
+    case X86::BI__builtin_ia32_fpclasspd512_mask:
+      ID = Intrinsic::x86_avx512_mask_fpclass_pd_512;
+      break;
+    }
+
+    Value *Fpclass = Builder.CreateCall(CGM.getIntrinsic(ID), Ops);
+    return EmitX86MaskedCompareResult(*this, Fpclass, NumElts, MaskIn);
+  }
+
   // packed comparison intrinsics
   case X86::BI__builtin_ia32_cmpeqps:
   case X86::BI__builtin_ia32_cmpeqpd: