see if the legalize code propery compensates for the additional zeros introduced

llvm-svn: 21684

1 files changed, 12 insertions, 0 deletions

diff --git a/llvm/test/Regression/CodeGen/Alpha/ctlz.ll b/llvm/test/Regression/CodeGen/Alpha/ctlz.ll
new file mode 100644
index 00000000000..06255eca9ee
--- /dev/null
+++ b/llvm/test/Regression/CodeGen/Alpha/ctlz.ll
@@ -0,0 +1,12 @@
+; Make sure this testcase codegens to the bic instruction
+; RUN: llvm-as < %s | llc -march=alpha -enable-alpha-CT | grep 'ctlz'
+
+declare ubyte %llvm.ctlz(ubyte)
+
+implementation   ; Functions:
+
+ubyte %bar(ubyte %x) {
+entry:
+	%tmp.1 = call ubyte %llvm.ctlz( ubyte %x ) 
+	ret ubyte %tmp.1
+}