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1; RUN: opt -S -passes=instcombine < %s | FileCheck %s2%S = type { i16, i32 }3 4define <2 x i16> @test1() {5entry:6 %c = icmp eq i16 extractelement (<2 x i16> bitcast (<1 x i32> <i32 1> to <2 x i16>), i32 0), 07 %s = select i1 %c, %S zeroinitializer, %S { i16 0, i32 1 }8 %e = extractvalue %S %s, 09 %b = insertelement <2 x i16> <i16 undef, i16 0>, i16 %e, i32 010 ret <2 x i16> %b11}12 13; CHECK-LABEL: @test1(14; CHECK: ret <2 x i16> zeroinitializer15