; RUN: opt -passes=instcombine -S < %s | FileCheck %s ; We shouldn't fold bitcast(insert <vscale x 1 x iX> .., iX %val, i32 0) ; into bitcast(iX %val) for scalable vectors. define <vscale x 2 x i8> @bitcast_of_insert_i8_i16(i16 %val) #0 { ; CHECK-LABEL: @bitcast_of_insert_i8_i16( ; CHECK-NOT: bitcast i16 %val to <vscale x 2 x i8> ; CHECK: bitcast <vscale x 1 x i16> %op2 to <vscale x 2 x i8> entry: %op2 = insertelement <vscale x 1 x i16> undef, i16 %val, i32 0 %0 = bitcast <vscale x 1 x i16> %op2 to <vscale x 2 x i8> ret <vscale x 2 x i8> %0 }