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/Integer/basictest_bt.ll b/test/Integer/basictest_bt.ll
new file mode 100644
index 0000000..5c98856
--- /dev/null
+++ b/test/Integer/basictest_bt.ll
@@ -0,0 +1,31 @@
+; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
+
+; Test "stripped" format where nothing is symbolic... this is how the bytecode
+; format looks anyways (except for negative vs positive offsets)...
+;
+define void @void(i39, i39) {
+	add i39 0, 0			; <i39>:3 [#uses=2]
+	sub i39 0, 4			; <i39>:4 [#uses=2]
+	br label %5
+
+; <label>:5				; preds = %5, %2
+	add i39 %0, %1			; <i39>:6 [#uses=2]
+	sub i39 %6, %4			; <i39>:7 [#uses=1]
+	icmp sle i39 %7, %3		; <i1>:8 [#uses=1]
+	br i1 %8, label %9, label %5
+
+; <label>:9				; preds = %5
+	add i39 %0, %1			; <i39>:10 [#uses=0]
+	sub i39 %6, %4			; <i39>:11 [#uses=1]
+	icmp sle i39 %11, %3		; <i1>:12 [#uses=0]
+	ret void
+}
+
+; This function always returns zero
+define i39 @zarro() {
+Startup:
+	ret i39 0
+}