Add _rdrand{16,32,64}_step intrinsics to immintrin.h
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160118 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index d180340..575fa5d 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -2447,6 +2447,27 @@
llvm::Function *F = CGM.getIntrinsic(ID);
return Builder.CreateCall(F, Ops, name);
}
+ case X86::BI__builtin_ia32_rdrand16_step:
+ case X86::BI__builtin_ia32_rdrand32_step:
+ case X86::BI__builtin_ia32_rdrand64_step: {
+ Intrinsic::ID ID;
+ switch (BuiltinID) {
+ default: llvm_unreachable("Unsupported intrinsic!");
+ case X86::BI__builtin_ia32_rdrand16_step:
+ ID = Intrinsic::x86_rdrand_16;
+ break;
+ case X86::BI__builtin_ia32_rdrand32_step:
+ ID = Intrinsic::x86_rdrand_32;
+ break;
+ case X86::BI__builtin_ia32_rdrand64_step:
+ ID = Intrinsic::x86_rdrand_64;
+ break;
+ }
+
+ Value *Call = Builder.CreateCall(CGM.getIntrinsic(ID));
+ Builder.CreateStore(Builder.CreateExtractValue(Call, 0), Ops[0]);
+ return Builder.CreateExtractValue(Call, 1);
+ }
}
}