diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index c13148afb18e9..2aa35b646b3fa 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -749,14 +749,19 @@ def HasAVX512    : Predicate<"Subtarget->hasAVX512()">,
 def UseAVX       : Predicate<"Subtarget->hasAVX() && !Subtarget->hasAVX512()">;
 def UseAVX2      : Predicate<"Subtarget->hasAVX2() && !Subtarget->hasAVX512()">;
 def NoAVX512     : Predicate<"!Subtarget->hasAVX512()">;
-def HasCDI       : Predicate<"Subtarget->hasCDI()">;
-def HasPFI       : Predicate<"Subtarget->hasPFI()">;
-def HasERI       : Predicate<"Subtarget->hasERI()">;
-def HasDQI       : Predicate<"Subtarget->hasDQI()">;
+def HasCDI       : Predicate<"Subtarget->hasCDI()">,
+                     AssemblerPredicate<"FeatureCDI", "AVX-512 CD ISA">;
+def HasPFI       : Predicate<"Subtarget->hasPFI()">,
+                     AssemblerPredicate<"FeaturePFI", "AVX-512 PF ISA">;
+def HasERI       : Predicate<"Subtarget->hasERI()">,
+                     AssemblerPredicate<"FeatureERI", "AVX-512 ER ISA">;
+def HasDQI       : Predicate<"Subtarget->hasDQI()">,
+                     AssemblerPredicate<"FeatureDQI", "AVX-512 DQ ISA">;
 def NoDQI        : Predicate<"!Subtarget->hasDQI()">;
-def HasBWI       : Predicate<"Subtarget->hasBWI()">;
+def HasBWI       : Predicate<"Subtarget->hasBWI()">,
+                     AssemblerPredicate<"FeatureBWI", "AVX-512 BW ISA">;
 def HasVLX       : Predicate<"Subtarget->hasVLX()">,
-                     AssemblerPredicate<"FeatureVLX", "AVX-512 VLX ISA">;
+                     AssemblerPredicate<"FeatureVLX", "AVX-512 VL ISA">;
 def NoVLX        : Predicate<"!Subtarget->hasVLX()">;
 
 def HasPOPCNT    : Predicate<"Subtarget->hasPOPCNT()">;
diff --git a/test/MC/X86/avx512-encodings.s b/test/MC/X86/avx512-encodings.s
index 3f960c3292467..943e5064bfac1 100644
--- a/test/MC/X86/avx512-encodings.s
+++ b/test/MC/X86/avx512-encodings.s
@@ -1,4 +1,4 @@
-// RUN: not llvm-mc -triple x86_64-unknown-unknown -mcpu=knl --show-encoding %s 2> %t.err | FileCheck %s
+// RUN: not llvm-mc -triple x86_64-unknown-unknown -mcpu=knl -mattr=+avx512dq --show-encoding %s 2> %t.err | FileCheck %s
 // RUN: FileCheck --check-prefix=ERR < %t.err %s
 
 // CHECK: vaddpd %zmm6, %zmm27, %zmm8