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/CBackend/2003-10-28-CastToPtrToStruct.ll b/test/CodeGen/CBackend/2003-10-28-CastToPtrToStruct.ll
new file mode 100644
index 0000000..4c7ab32
--- /dev/null
+++ b/test/CodeGen/CBackend/2003-10-28-CastToPtrToStruct.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=c
+
+; reduced from DOOM.
+%union._XEvent = type { int }
+%.X_event_9 = global %union._XEvent zeroinitializer
+
+implementation ; Functions:
+void %I_InitGraphics() {
+shortcirc_next.3: ; preds = %no_exit.1
+ %tmp.319 = load int* getelementptr ({ int, int }* cast (%union._XEvent* %.X_event_9 to { int, int }*), long 0, uint 1) ; <int> [#uses=1]
+ ret void
+}