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/CFrontend/2007-02-16-VoidPtrDiff.c b/test/CFrontend/2007-02-16-VoidPtrDiff.c
new file mode 100644
index 0000000..713b9b2
--- /dev/null
+++ b/test/CFrontend/2007-02-16-VoidPtrDiff.c
@@ -0,0 +1,5 @@
+// RUN: %llvmgcc %s -S -o - -emit-llvm
+
+void foo(void *ptr, int test) {
+ (ptr - ((void *) test + 0x2000));
+}