Fix PR9579: when simplifying a compare to "true" or "false", and it was
a vector compare, generate a vector result rather than i1 (and crashing).
llvm-svn: 130706
diff --git a/llvm/test/Transforms/InstCombine/2011-05-02-VectorBoolean.ll b/llvm/test/Transforms/InstCombine/2011-05-02-VectorBoolean.ll
new file mode 100644
index 0000000..02b64e3
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/2011-05-02-VectorBoolean.ll
@@ -0,0 +1,15 @@
+; RUN: opt < %s -instcombine
+; PR9579
+
+define <2 x i16> @entry(<2 x i16> %a) nounwind {
+entry:
+ %a.addr = alloca <2 x i16>, align 4
+ %.compoundliteral = alloca <2 x i16>, align 4
+ store <2 x i16> %a, <2 x i16>* %a.addr, align 4
+ %tmp = load <2 x i16>* %a.addr, align 4
+ store <2 x i16> zeroinitializer, <2 x i16>* %.compoundliteral
+ %tmp1 = load <2 x i16>* %.compoundliteral
+ %cmp = icmp uge <2 x i16> %tmp, %tmp1
+ %sext = sext <2 x i1> %cmp to <2 x i16>
+ ret <2 x i16> %sext
+}