1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pku.ll b/test/CodeGen/X86/pku.ll
new file mode 100644
index 0000000000000..8568cf43abc05
--- /dev/null
+++ b/test/CodeGen/X86/pku.ll
@@ -0,0 +1,25 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl --show-mc-encoding| FileCheck %s
+declare i32 @llvm.x86.rdpkru()
+declare void @llvm.x86.wrpkru(i32)
+
+define void @test_x86_wrpkru(i32 %src) {
+; CHECK-LABEL: test_x86_wrpkru:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    xorl    %ecx, %ecx
+; CHECK-NEXT:    xorl    %edx, %edx
+; CHECK-NEXT:    movl    %edi, %eax
+; CHECK-NEXT:    wrpkru
+; CHECK-NEXT:    retq
+  call void @llvm.x86.wrpkru(i32 %src) 
+  ret void
+}
+
+define i32 @test_x86_rdpkru() {
+; CHECK-LABEL: test_x86_rdpkru:
+; CHECK:      ## BB#0:
+; CHECK-NEXT: xorl    %ecx, %ecx
+; CHECK-NEXT: rdpkru
+; CHECK-NEXT: retq
+  %res = call i32 @llvm.x86.rdpkru() 
+  ret i32 %res 
+}