[clang] [CIR][X86] Implement convert_half builtins (PR #171615)

[Priyanshu Kumar via cfe-commits]

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@@ -1602,12 +1514,40 @@ mlir::Value CIRGenFunction::emitX86BuiltinExpr(unsigned builtinID,
   case X86::BI__builtin_ia32_cmpnltsd:
   case X86::BI__builtin_ia32_cmpnlesd:
   case X86::BI__builtin_ia32_cmpordsd:
-  case X86::BI__builtin_ia32_vcvtph2ps_mask:
-  case X86::BI__builtin_ia32_vcvtph2ps256_mask:
-  case X86::BI__builtin_ia32_vcvtph2ps512_mask:
-  case X86::BI__builtin_ia32_cvtneps2bf16_128_mask:
-  case X86::BI__builtin_ia32_cvtneps2bf16_256_mask:
-  case X86::BI__builtin_ia32_cvtneps2bf16_512_mask:
+    cgm.errorNYI(expr->getSourceRange(),
+                 std::string("unimplemented X86 builtin call: ") +
+                     getContext().BuiltinInfo.getName(builtinID));
+    return {};
+  case X86::BI__builtin_ia32_vcvtph2ps_mask: {
+    mlir::Location loc = getLoc(expr->getExprLoc());
+    return emitIntrinsicCallOp(builder, loc, "x86.avx512.mask.vcvtph2ps.128",
+                               convertType(expr->getType()), ops);
+  }
+  case X86::BI__builtin_ia32_vcvtph2ps256_mask: {
+    mlir::Location loc = getLoc(expr->getExprLoc());
+    return emitIntrinsicCallOp(builder, loc, "x86.avx512.mask.vcvtph2ps.256",
+                               convertType(expr->getType()), ops);
+  }
+  case X86::BI__builtin_ia32_vcvtph2ps512_mask: {
+    mlir::Location loc = getLoc(expr->getExprLoc());
+    return emitIntrinsicCallOp(builder, loc, "x86.avx512.mask.vcvtph2ps.512",
+                               convertType(expr->getType()), ops);
+  }
+  case X86::BI__builtin_ia32_cvtneps2bf16_128_mask: {
+    mlir::Location loc = getLoc(expr->getExprLoc());
+    return emitIntrinsicCallOp(builder, loc, "x86.avx512bf16.mask.cvtneps2bf16.128",
+                               convertType(expr->getType()), ops);
+  }
+  case X86::BI__builtin_ia32_cvtneps2bf16_256_mask: {
+    mlir::Location loc = getLoc(expr->getExprLoc());
+    return emitIntrinsicCallOp(builder, loc, "x86.avx512bf16.cvtneps2bf16.256",
+                               convertType(expr->getType()), ops);
+  }
+  case X86::BI__builtin_ia32_cvtneps2bf16_512_mask: {
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Priyanshu3820 wrote:

done

https://github.com/llvm/llvm-project/pull/171615