From: Craig Topper <craig.topper@intel.com>
Date: Thu, 12 Oct 2017 20:08:31 +0000 (+0000)
Subject: [X86] Add CLWB intrinsic. llvm part
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0aacd96bb744ae619e9d4e8763802d2db59e677a;p=llvm

[X86] Add CLWB intrinsic. llvm part

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315613 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/IR/IntrinsicsX86.td b/include/llvm/IR/IntrinsicsX86.td
index eae8564fdf9..e31db99cede 100644
--- a/include/llvm/IR/IntrinsicsX86.td
+++ b/include/llvm/IR/IntrinsicsX86.td
@@ -3473,10 +3473,13 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
 }
 
 //===----------------------------------------------------------------------===//
-// CLFLUSHOPT
+// CLFLUSHOPT and CLWB
 let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
   def int_x86_clflushopt : GCCBuiltin<"__builtin_ia32_clflushopt">,
               Intrinsic<[], [llvm_ptr_ty], []>;
+
+  def int_x86_clwb : GCCBuiltin<"__builtin_ia32_clwb">,
+              Intrinsic<[], [llvm_ptr_ty], []>;
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 96eb5f4538f..d5e2caa8f28 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -2698,9 +2698,9 @@ let Predicates = [HasCLFLUSHOPT] in
 def CLFLUSHOPT : I<0xAE, MRM7m, (outs), (ins i8mem:$src),
                    "clflushopt\t$src", [(int_x86_clflushopt addr:$src)]>, PD;
 
-// TODO: Add an instrincis for this.
 let Predicates = [HasCLWB] in
-def CLWB       : I<0xAE, MRM6m, (outs), (ins i8mem:$src), "clwb\t$src", []>, PD;
+def CLWB       : I<0xAE, MRM6m, (outs), (ins i8mem:$src), "clwb\t$src",
+                   [(int_x86_clwb addr:$src)]>, PD;
 
 
 //===----------------------------------------------------------------------===//