From bbafae6c80ca57f3bc26e134121d5038b0e1d313 Mon Sep 17 00:00:00 2001
From: Andrew Lenharth <andrewl@lenharth.org>
Date: Sun, 20 Nov 2005 21:41:59 +0000
Subject: [PATCH] check that rdtsc is generated from readcyclecounter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24431 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/rdtsc.ll | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 test/CodeGen/X86/rdtsc.ll

diff --git a/test/CodeGen/X86/rdtsc.ll b/test/CodeGen/X86/rdtsc.ll
new file mode 100644
index 00000000000..289224ea268
--- /dev/null
+++ b/test/CodeGen/X86/rdtsc.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep rptsc
+
+declare ulong %llvm.readcyclecounter()
+
+void %foo() {
+entry:
+%tmp.1 = call ulong %llvm.readcyclecounter ()
+ret void
+}
+