New test. Make sure dynamic_stackalloc size is rounded up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41135 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/dyn-stackalloc.ll b/test/CodeGen/X86/dyn-stackalloc.ll
new file mode 100644 (file)
index 0000000..12cd754
--- /dev/null
+++ b/test/CodeGen/X86/dyn-stackalloc.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s | llc -march=x86 | not grep 4294967289
+; RUN: llvm-as < %s | llc -march=x86 | grep 4294967280
+; RUN: llvm-as < %s | llc -march=x86-64 | grep {\\-16}
+
+define void @t() {
+A:
+       br label %entry
+
+entry:
+       %m1 = alloca i32, align 4
+       %m2 = alloca [7 x i8], align 16
+       call void @s( i32* %m1, [7 x i8]* %m2 )
+       ret void
+}
+
+declare void @s(i32*, [7 x i8]*)