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/ExecutionEngine/2003-06-04-bzip2-bug.ll b/test/ExecutionEngine/2003-06-04-bzip2-bug.ll
new file mode 100644
index 0000000..cd237c3
--- /dev/null
+++ b/test/ExecutionEngine/2003-06-04-bzip2-bug.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-upgrade < %s | llvm-as -f -o %t.bc
+; RUN: lli %t.bc > /dev/null
+
+; Testcase distilled from 256.bzip2.
+
+target endian = little
+target pointersize = 32
+
+int %main() {
+entry:
+	br label %loopentry.0
+
+loopentry.0:
+	%h.0 = phi int [ %tmp.2, %loopentry.0 ], [ -1, %entry ]
+	%tmp.2 = add int %h.0, 1
+	%tmp.4 = setne int %tmp.2, 0
+	br bool %tmp.4, label %loopentry.0, label %loopentry.1
+
+loopentry.1:
+	%h.1 = phi int [ %tmp.2, %loopentry.0 ]
+	ret int %h.1
+}