[X86] WaitPKG intrinsics

Reviewers: craig.topper, zvi

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D45254

llvm-svn: 330463

1 files changed, 25 insertions, 0 deletions

diff --git a/clang/test/CodeGen/waitpkg.c b/clang/test/CodeGen/waitpkg.c
new file mode 100644
index 00000000000..e4ac1cd6636
--- /dev/null
+++ b/clang/test/CodeGen/waitpkg.c
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 %s -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -target-feature +waitpkg -Wall -pedantic -o - | FileCheck %s
+// RUN: %clang_cc1 %s -ffreestanding -triple i386-unknown-unknown -emit-llvm -target-feature +waitpkg -Wall -pedantic -o - | FileCheck %s
+
+#include <x86intrin.h>
+
+#include <stddef.h>
+#include <stdint.h>
+
+void test_umonitor(void *address) {
+  //CHECK-LABEL: @test_umonitor
+  //CHECK: call void @llvm.x86.umonitor(i8* %{{.*}})
+  return _umonitor(address);
+}
+
+uint8_t test_umwait(uint32_t control, uint64_t counter) {
+  //CHECK-LABEL: @test_umwait
+  //CHECK: call i8 @llvm.x86.umwait(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
+  return _umwait(control, counter);
+}
+
+uint8_t test_tpause(uint32_t control, uint64_t counter) {
+  //CHECK-LABEL: @test_tpause
+  //CHECK: call i8 @llvm.x86.tpause(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
+  return _tpause(control, counter);
+}