It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Alpha/ctlz.ll b/test/CodeGen/Alpha/ctlz.ll
new file mode 100644
index 0000000..0ad014d
--- /dev/null
+++ b/test/CodeGen/Alpha/ctlz.ll
@@ -0,0 +1,14 @@
+; Make sure this testcase codegens to the ctlz instruction
+; RUN: llvm-as < %s | llc -march=alpha -mcpu=ev67 | grep -i ctlz
+; RUN: llvm-as < %s | llc -march=alpha -mattr=+CIX | grep -i ctlz
+; RUN: llvm-as < %s | llc -march=alpha -mcpu=ev6 | not grep -i ctlz
+; RUN: llvm-as < %s | llc -march=alpha -mcpu=ev56 | not grep -i ctlz
+; RUN: llvm-as < %s | llc -march=alpha -mattr=-CIX | not grep -i ctlz
+
+declare i32 @llvm.ctlz.i8(i8)
+
+define i32 @bar(i8 %x) {
+entry:
+ %tmp.1 = call i32 @llvm.ctlz.i8( i8 %x )
+ ret i32 %tmp.1
+}