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/lsr-scale-addr-mode.ll b/test/CodeGen/ARM/lsr-scale-addr-mode.ll
new file mode 100644
index 0000000..230cf3e
--- /dev/null
+++ b/test/CodeGen/ARM/lsr-scale-addr-mode.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | llc -march=arm | grep -F {str r2, \[r0, +r3, lsl #2\]}
+; Should use scaled addressing mode.
+
+define void @sintzero(i32* %a) {
+entry:
+ store i32 0, i32* %a
+ br label %cond_next
+
+cond_next: ; preds = %cond_next, %entry
+ %indvar = phi i32 [ 0, %entry ], [ %tmp25, %cond_next ] ; <i32> [#uses=1]
+ %tmp25 = add i32 %indvar, 1 ; <i32> [#uses=3]
+ %tmp36 = getelementptr i32* %a, i32 %tmp25 ; <i32*> [#uses=1]
+ store i32 0, i32* %tmp36
+ icmp eq i32 %tmp25, -1 ; <i1>:0 [#uses=1]
+ br i1 %0, label %return, label %cond_next
+
+return: ; preds = %cond_next
+ ret void
+}