1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/MSP430/2009-08-25-DynamicStackAlloc.ll b/test/CodeGen/MSP430/2009-08-25-DynamicStackAlloc.ll
new file mode 100644
index 000000000000..088d3e1e7b37
--- /dev/null
+++ b/test/CodeGen/MSP430/2009-08-25-DynamicStackAlloc.ll
@@ -0,0 +1,30 @@
+; RUN: llc < %s
+; PR4769
+target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
+target triple = "msp430-generic-generic"
+
+define i16 @foo() nounwind readnone {
+entry:
+  %result = alloca i16, align 1                   ; <i16*> [#uses=2]
+  volatile store i16 0, i16* %result
+  %tmp = volatile load i16* %result               ; <i16> [#uses=1]
+  ret i16 %tmp
+}
+
+define i16 @main() nounwind {
+entry:
+  br label %while.cond
+
+while.cond:                                       ; preds = %while.cond, %entry
+  %call = call i16 @bar() nounwind                ; <i16> [#uses=1]
+  %tobool = icmp eq i16 %call, 0                  ; <i1> [#uses=1]
+  br i1 %tobool, label %while.end, label %while.cond
+
+while.end:                                        ; preds = %while.cond
+  %result.i = alloca i16, align 1                 ; <i16*> [#uses=2]
+  volatile store i16 0, i16* %result.i
+  %tmp.i = volatile load i16* %result.i           ; <i16> [#uses=0]
+  ret i16 0
+}
+
+declare i16 @bar()