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/ARM/2007-04-03-PEIBug.ll b/test/CodeGen/ARM/2007-04-03-PEIBug.ll
new file mode 100644
index 0000000..e412127
--- /dev/null
+++ b/test/CodeGen/ARM/2007-04-03-PEIBug.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llc -march=arm | not grep {add.*#0}
+
+define i32 @foo() {
+entry:
+	%A = alloca [1123 x i32], align 16		; <[1123 x i32]*> [#uses=1]
+	%B = alloca [3123 x i32], align 16		; <[3123 x i32]*> [#uses=1]
+	%C = alloca [12312 x i32], align 16		; <[12312 x i32]*> [#uses=1]
+	%tmp = call i32 (...)* @bar( [3123 x i32]* %B, [1123 x i32]* %A, [12312 x i32]* %C )		; <i32> [#uses=0]
+	ret i32 undef
+}
+
+declare i32 @bar(...)