Add support of RDSEED defined in AVX2 extension

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178314 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 1 deletions

diff --git a/include/llvm/IR/IntrinsicsX86.td b/include/llvm/IR/IntrinsicsX86.td
index 873c624..69e0ab4 100644
--- a/include/llvm/IR/IntrinsicsX86.td
+++ b/include/llvm/IR/IntrinsicsX86.td
@@ -2550,7 +2550,9 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
 }
 
 //===----------------------------------------------------------------------===//
-// RDRAND intrinsics. Return a random value and whether it is valid.
+// RDRAND intrinsics - Return a random value and whether it is valid.
+// RDSEED intrinsics - Return a NIST SP800-90B & C compliant random value and
+// whether it is valid.
 
 let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
   // These are declared side-effecting so they don't get eliminated by CSE or
@@ -2558,6 +2560,9 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
   def int_x86_rdrand_16 : Intrinsic<[llvm_i16_ty, llvm_i32_ty], [], []>;
   def int_x86_rdrand_32 : Intrinsic<[llvm_i32_ty, llvm_i32_ty], [], []>;
   def int_x86_rdrand_64 : Intrinsic<[llvm_i64_ty, llvm_i32_ty], [], []>;
+  def int_x86_rdseed_16 : Intrinsic<[llvm_i16_ty, llvm_i32_ty], [], []>;
+  def int_x86_rdseed_32 : Intrinsic<[llvm_i32_ty, llvm_i32_ty], [], []>;
+  def int_x86_rdseed_64 : Intrinsic<[llvm_i64_ty, llvm_i32_ty], [], []>;
 }
 
 //===----------------------------------------------------------------------===//