1 files changed, 61 insertions, 0 deletions
diff --git a/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll b/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll
new file mode 100644
index 00000000000..a1beec64689
--- /dev/null
+++ b/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll
@@ -0,0 +1,61 @@
+; RUN: llvm-as < %s | opt -indvars -disable-output
+
+declare void @q_atomic_increment()
+
+declare void @_Z9qt_assertPKcS0_i()
+
+define void @_ZN13QMetaResourceC1EPKh() {
+entry:
+	invoke void @_Z9qt_assertPKcS0_i( )
+			to label %endif.1 unwind label %then.i.i551
+
+then.i.i551:		; preds = %entry
+	ret void
+
+endif.1:		; preds = %entry
+	br i1 false, label %then.2, label %then.i.i
+
+then.2:		; preds = %endif.1
+	invoke void @q_atomic_increment( )
+			to label %loopentry.0 unwind label %invoke_catch.6
+
+invoke_catch.6:		; preds = %then.2
+	ret void
+
+loopentry.0:		; preds = %then.2
+	br i1 false, label %shortcirc_next.i, label %endif.3
+
+endif.3:		; preds = %loopentry.0
+	ret void
+
+shortcirc_next.i:		; preds = %loopentry.0
+	br i1 false, label %_ZNK7QString2atEi.exit, label %then.i
+
+then.i:		; preds = %shortcirc_next.i
+	ret void
+
+_ZNK7QString2atEi.exit:		; preds = %shortcirc_next.i
+	br i1 false, label %endif.4, label %then.4
+
+then.4:		; preds = %_ZNK7QString2atEi.exit
+	ret void
+
+endif.4:		; preds = %_ZNK7QString2atEi.exit
+	%tmp.115 = load i8* null		; <i8> [#uses=1]
+	br i1 false, label %loopexit.1, label %no_exit.0
+
+no_exit.0:		; preds = %no_exit.0, %endif.4
+	%bytes_in_len.4.5 = phi i8 [ %dec, %no_exit.0 ], [ %tmp.115, %endif.4 ]		; <i8> [#uses=1]
+	%off.5.5.in = phi i32 [ %off.5.5, %no_exit.0 ], [ 0, %endif.4 ]		; <i32> [#uses=1]
+	%off.5.5 = add i32 %off.5.5.in, 1		; <i32> [#uses=2]
+	%dec = add i8 %bytes_in_len.4.5, -1		; <i8> [#uses=2]
+	%tmp.123631 = icmp eq i8 %dec, 0		; <i1> [#uses=1]
+	br i1 %tmp.123631, label %loopexit.1, label %no_exit.0
+
+loopexit.1:		; preds = %no_exit.0, %endif.4
+	%off.5.in.6 = phi i32 [ 0, %endif.4 ], [ %off.5.5, %no_exit.0 ]		; <i32> [#uses=0]
+	ret void
+
+then.i.i:		; preds = %endif.1
+	ret void
+}