commit d88f76a891cdd1bcf65182faa52f453b9430108d
author Craig Topper <craig.topper@intel.com> Fri Aug 31 22:29:56 2018 +0000
committer Craig Topper <craig.topper@intel.com> Fri Aug 31 22:29:56 2018 +0000
tree b9704ba8c26eea46601c76010ad3d49e10f0b4fd
parent 4cef462922b771f9e32b765509cd497929485300

[X86] Add ktest intrinsics to match gcc and icc.

These aren't documented in the Intel Intrinsics Guide, but are supported by gcc and icc.

Includes these intrinsics:
_ktestc_mask8_u8, _ktestz_mask8_u8, _ktest_mask8_u8
_ktestc_mask16_u8, _ktestz_mask16_u8, _ktest_mask16_u8
_ktestc_mask32_u8, _ktestz_mask32_u8, _ktest_mask32_u8
_ktestc_mask64_u8, _ktestz_mask64_u8, _ktest_mask64_u8

llvm-svn: 341265

clang/lib/CodeGen/CGBuiltin.cpp

diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 58f8b7d..789f01c 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -10075,6 +10075,50 @@
     return Builder.CreateZExt(Cmp, ConvertType(E->getType()));
   }
 
+  case X86::BI__builtin_ia32_ktestcqi:
+  case X86::BI__builtin_ia32_ktestzqi:
+  case X86::BI__builtin_ia32_ktestchi:
+  case X86::BI__builtin_ia32_ktestzhi:
+  case X86::BI__builtin_ia32_ktestcsi:
+  case X86::BI__builtin_ia32_ktestzsi:
+  case X86::BI__builtin_ia32_ktestcdi:
+  case X86::BI__builtin_ia32_ktestzdi: {
+    Intrinsic::ID IID;
+    switch (BuiltinID) {
+    default: llvm_unreachable("Unsupported intrinsic!");
+    case X86::BI__builtin_ia32_ktestcqi:
+      IID = Intrinsic::x86_avx512_ktestc_b;
+      break;
+    case X86::BI__builtin_ia32_ktestzqi:
+      IID = Intrinsic::x86_avx512_ktestz_b;
+      break;
+    case X86::BI__builtin_ia32_ktestchi:
+      IID = Intrinsic::x86_avx512_ktestc_w;
+      break;
+    case X86::BI__builtin_ia32_ktestzhi:
+      IID = Intrinsic::x86_avx512_ktestz_w;
+      break;
+    case X86::BI__builtin_ia32_ktestcsi:
+      IID = Intrinsic::x86_avx512_ktestc_d;
+      break;
+    case X86::BI__builtin_ia32_ktestzsi:
+      IID = Intrinsic::x86_avx512_ktestz_d;
+      break;
+    case X86::BI__builtin_ia32_ktestcdi:
+      IID = Intrinsic::x86_avx512_ktestc_q;
+      break;
+    case X86::BI__builtin_ia32_ktestzdi:
+      IID = Intrinsic::x86_avx512_ktestz_q;
+      break;
+    }
+
+    unsigned NumElts = Ops[0]->getType()->getIntegerBitWidth();
+    Value *LHS = getMaskVecValue(*this, Ops[0], NumElts);
+    Value *RHS = getMaskVecValue(*this, Ops[1], NumElts);
+    Function *Intr = CGM.getIntrinsic(IID);
+    return Builder.CreateCall(Intr, {LHS, RHS});
+  }
+
   case X86::BI__builtin_ia32_kaddqi:
   case X86::BI__builtin_ia32_kaddhi:
   case X86::BI__builtin_ia32_kaddsi: