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/Generic/2007-04-17-lsr-crash.ll b/test/CodeGen/Generic/2007-04-17-lsr-crash.ll
new file mode 100644
index 0000000..4257e9f
--- /dev/null
+++ b/test/CodeGen/Generic/2007-04-17-lsr-crash.ll
@@ -0,0 +1,35 @@
+; RUN: llvm-as < %s | llc
+
+define void @foo(i32 %inTextSize) {
+entry:
+ br label %bb236.outer
+
+cond_next193: ; preds = %bb236
+ %tmp211 = add i32 %inTextSize_addr.1.ph17, -2 ; <i32> [#uses=1]
+ br i1 false, label %cond_next232, label %cond_true227
+
+cond_true227: ; preds = %cond_next193
+ ret void
+
+cond_next232: ; preds = %cond_next193
+ %indvar.next49 = add i32 %indvar48, 1 ; <i32> [#uses=1]
+ br label %bb236.outer
+
+bb236.outer: ; preds = %cond_next232, %entry
+ %indvar48 = phi i32 [ %indvar.next49, %cond_next232 ], [ 0, %entry ] ; <i32> [#uses=2]
+ %inTextSize_addr.1.ph17 = phi i32 [ %tmp211, %cond_next232 ], [ %inTextSize, %entry ] ; <i32> [#uses=3]
+ %tmp.50 = sub i32 0, %indvar48 ; <i32> [#uses=1]
+ %tmp219 = icmp eq i32 %tmp.50, 0 ; <i1> [#uses=1]
+ br i1 %tmp219, label %bb236.us, label %bb236
+
+bb236.us: ; preds = %bb236.outer
+ %inTextSize_addr.1.us = add i32 0, %inTextSize_addr.1.ph17 ; <i32> [#uses=0]
+ ret void
+
+bb236: ; preds = %bb236.outer
+ %tmp238 = icmp eq i32 %inTextSize_addr.1.ph17, 0 ; <i1> [#uses=1]
+ br i1 %tmp238, label %exit, label %cond_next193
+
+exit: ; preds = %bb236
+ ret void
+}