From dd58ef019b700900793a1eb48b52123db01b654e Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 30 Dec 2015 11:46:15 +0000
Subject: Vendor import of llvm trunk r256633:
 https://llvm.org/svn/llvm-project/llvm/trunk@256633

---
 test/CodeGen/AArch64/readcyclecounter.ll | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 test/CodeGen/AArch64/readcyclecounter.ll

(limited to 'test/CodeGen/AArch64/readcyclecounter.ll')

diff --git a/test/CodeGen/AArch64/readcyclecounter.ll b/test/CodeGen/AArch64/readcyclecounter.ll
new file mode 100644
index 000000000000..037f11809386
--- /dev/null
+++ b/test/CodeGen/AArch64/readcyclecounter.ll
@@ -0,0 +1,15 @@
+; RUN: llc -mtriple=aarch64-unknown-unknown -asm-verbose=false < %s |\
+; RUN:   FileCheck %s --check-prefix=CHECK --check-prefix=PERFMON
+; RUN: llc -mtriple=aarch64-unknown-unknown -mattr=-perfmon -asm-verbose=false < %s |\
+; RUN:   FileCheck %s --check-prefix=CHECK --check-prefix=NOPERFMON
+
+define i64 @test_readcyclecounter() nounwind {
+  ; CHECK-LABEL:   test_readcyclecounter:
+  ; PERFMON-NEXT:   mrs x0, PMCCNTR_EL0
+  ; NOPERFMON-NEXT: mov x0, xzr
+  ; CHECK-NEXT:     ret
+  %tmp0 = call i64 @llvm.readcyclecounter()
+  ret i64 %tmp0
+}
+
+declare i64 @llvm.readcyclecounter()
-- 
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