[X86] Remove CLDEMOTE from Alderlake and later hybrid processors (#144662)

SDM doesn't list any hybrid processors in this feature. Besides,
physical machine also reports not supported.

Author: phoebewang

clang/test/Preprocessor/predefined-arch-macros.c

@@ -2102,7 +2102,7 @@
 // CHECK_ADL_M32: #define __AVX__ 1
 // CHECK_ADL_M32: #define __BMI2__ 1
 // CHECK_ADL_M32: #define __BMI__ 1
-// CHECK_ADL_M32: #define __CLDEMOTE__ 1
+// CHECK_ADL_M32-NOT: #define __CLDEMOTE__ 1
 // CHECK_ADL_M32: #define __CLFLUSHOPT__ 1
 // CHECK_ADL_M32: #define __CLWB__ 1
 // CHECK_ADL_M32: #define __F16C__ 1
@@ -2173,7 +2173,7 @@
 // CHECK_ADL_M64: #define __AVX__ 1
 // CHECK_ADL_M64: #define __BMI2__ 1
 // CHECK_ADL_M64: #define __BMI__ 1
-// CHECK_ADL_M64: #define __CLDEMOTE__ 1
+// CHECK_ADL_M64-NOT: #define __CLDEMOTE__ 1
 // CHECK_ADL_M64: #define __CLFLUSHOPT__ 1
 // CHECK_ADL_M64: #define __CLWB__ 1
 // CHECK_ADL_M64: #define __F16C__ 1

llvm/lib/Target/X86/X86.td

@@ -1284,7 +1284,6 @@ def ProcessorFeatures {
                                                   FeatureAVXVNNI,
                                                   FeaturePKU,
                                                   FeatureHRESET,
-                                                  FeatureCLDEMOTE,
                                                   FeatureMOVDIRI,
                                                   FeatureMOVDIR64B,
                                                   FeatureWAITPKG];
@@ -1311,6 +1310,7 @@ def ProcessorFeatures {
                                                   FeatureAVXNECONVERT,
                                                   FeatureENQCMD,
                                                   FeatureUINTR,
+                                                  FeatureCLDEMOTE,
                                                   FeatureAVXVNNIINT8];
   list<SubtargetFeature> SRFFeatures =
     !listconcat(ADLFeatures, SRFAdditionalFeatures);

llvm/lib/TargetParser/X86TargetParser.cpp

@@ -165,11 +165,11 @@ constexpr FeatureBitset FeaturesAlderlake =
     FeaturesTremont | FeatureADX | FeatureBMI | FeatureBMI2 | FeatureF16C |
     FeatureFMA | FeatureINVPCID | FeatureLZCNT | FeaturePCONFIG | FeaturePKU |
     FeatureSERIALIZE | FeatureSHSTK | FeatureVAES | FeatureVPCLMULQDQ |
-    FeatureCLDEMOTE | FeatureMOVDIR64B | FeatureMOVDIRI | FeatureWAITPKG |
-    FeatureAVXVNNI | FeatureHRESET | FeatureWIDEKL;
+    FeatureMOVDIR64B | FeatureMOVDIRI | FeatureWAITPKG | FeatureAVXVNNI |
+    FeatureHRESET | FeatureWIDEKL;
 constexpr FeatureBitset FeaturesSierraforest =
     FeaturesAlderlake | FeatureCMPCCXADD | FeatureAVXIFMA | FeatureUINTR |
-    FeatureENQCMD | FeatureAVXNECONVERT | FeatureAVXVNNIINT8;
+    FeatureCLDEMOTE | FeatureENQCMD | FeatureAVXNECONVERT | FeatureAVXVNNIINT8;
 constexpr FeatureBitset FeaturesArrowlakeS = FeaturesSierraforest |
     FeatureAVXVNNIINT16 | FeatureSHA512 | FeatureSM3 | FeatureSM4;
 constexpr FeatureBitset FeaturesPantherlake =