Thumb-2 has CLZ.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74322 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Thumb2/thumb2-clz.ll b/test/CodeGen/Thumb2/thumb2-clz.ll
new file mode 100644
index 0000000..e5f94a6
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-clz.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2,+v7a | grep "clz " | count 1
+
+define i32 @f1(i32 %a) {
+ %tmp = tail call i32 @llvm.ctlz.i32(i32 %a)
+ ret i32 %tmp
+}
+
+declare i32 @llvm.ctlz.i32(i32) nounwind readnone