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-rw-r--r--test/Transforms/ConstProp/trunc_vec.ll9
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diff --git a/test/Transforms/ConstProp/trunc_vec.ll b/test/Transforms/ConstProp/trunc_vec.ll
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+++ b/test/Transforms/ConstProp/trunc_vec.ll
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+; RUN: opt -constprop < %s
+
+; Make sure we don't crash on this one
+
+define <8 x i8> @test_truc_vec() {
+ %x = bitcast <2 x i64> <i64 1, i64 2> to <8 x i16>
+ %y = trunc <8 x i16> %x to <8 x i8>
+ ret <8 x i8> %y
+}