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/Transforms/GlobalOpt/memset.ll b/test/Transforms/GlobalOpt/memset.ll
new file mode 100644
index 0000000..336a234
--- /dev/null
+++ b/test/Transforms/GlobalOpt/memset.ll
@@ -0,0 +1,23 @@
+; both globals are write only, delete them.
+
+; RUN: llvm-upgrade < %s | llvm-as | opt -globalopt | llvm-dis | \
+; RUN: not grep internal
+
+%G0 = internal global [58 x sbyte] c"asdlfkajsdlfkajsd;lfkajds;lfkjasd;flkajsd;lkfja;sdlkfjasd\00"
+
+%G1 = internal global [4 x int] [ int 1, int 2, int 3, int 4]
+
+implementation ; Functions:
+
+declare void %llvm.memcpy.i32(sbyte*, sbyte*, uint, uint)
+declare void %llvm.memset.i32(sbyte*, ubyte, uint, uint)
+
+void %foo() {
+ %Blah = alloca [58 x sbyte] ; <[58 x sbyte]*> [#uses=2]
+ %tmp3 = cast [58 x sbyte]* %Blah to sbyte*
+ call void %llvm.memcpy.i32( sbyte* cast ([4 x int]* %G1 to sbyte*), sbyte* %tmp3, uint 16, uint 1)
+ call void %llvm.memset.i32( sbyte* getelementptr ([58 x sbyte]* %G0, int 0, int 0), ubyte 17, uint 58, uint 1)
+ ret void
+}
+
+