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/bsr.ll b/test/CodeGen/Alpha/bsr.ll
new file mode 100644
index 0000000..32ea0cb
--- /dev/null
+++ b/test/CodeGen/Alpha/bsr.ll
@@ -0,0 +1,13 @@
+; Make sure this testcase codegens the bsr instruction
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=alpha | grep bsr
+
+implementation
+
+internal long %abc(int %x) {
+	%tmp.2 = add int %x, -1		; <int> [#uses=1]
+	%tmp.0 = call long %abc( int %tmp.2 )		; <long> [#uses=1]
+	%tmp.5 = add int %x, -2		; <int> [#uses=1]
+	%tmp.3 = call long %abc( int %tmp.5 )		; <long> [#uses=1]
+	%tmp.6 = add long %tmp.0, %tmp.3		; <long> [#uses=1]
+	ret long %tmp.6
+}