Fix an assertion failure in legalizing bitcast operators on targets where

vectors are split down to single elements as part of legalization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37785 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/ARM/illegal-vector-bitcast.ll

@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | llc -march=arm
+
+define void @foo(<8 x float>* %f, <8 x float>* %g, <4 x i64>* %y)
+{
+  %h = load <8 x float>* %f
+  %i = mul <8 x float> %h, <float 1.1, float 3.3, float 4.4, float 5.4, float 0.5, float 0.6, float 0.7, float 0.8>
+  %m = bitcast <8 x float> %i to <4 x i64>
+  %z = load <4 x i64>* %y
+  %n = mul <4 x i64> %z, %m
+  %p = bitcast <4 x i64> %n to <8 x float>
+  store <8 x float> %p, <8 x float>* %g
+  ret void
+}