// look though conversions that change things like v4f32 to v2f64.
if (V->getOpcode() == ISD::BIT_CONVERT) {
SDOperand ConvInput = V->getOperand(0);
- if (ConvInput.getValueType().getVectorNumElements() == NumElts)
+ if (ConvInput.getValueType().isVector() &&
+ ConvInput.getValueType().getVectorNumElements() == NumElts)
V = ConvInput.Val;
}
--- /dev/null
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2
+; PR2566
+
+external global i16 ; <i16*>:0 [#uses=1]
+external global <4 x i16> ; <<4 x i16>*>:1 [#uses=1]
+
+declare void @abort()
+
+define void @t() nounwind {
+ load i16* @0 ; <i16>:1 [#uses=1]
+ zext i16 %1 to i64 ; <i64>:2 [#uses=1]
+ bitcast i64 %2 to <4 x i16> ; <<4 x i16>>:3 [#uses=1]
+ shufflevector <4 x i16> %3, <4 x i16> undef, <4 x i32> zeroinitializer ; <<4 x i16>>:4 [#uses=1]
+ store <4 x i16> %4, <4 x i16>* @1
+ ret void
+}