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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 42; RUN: llc < %s -mtriple=x86_64 -mattr=avx512bw | FileCheck %s3 4; Verify that the DAGCombiner doesn't change build_vector to concat_vectors if5; the vector element type is different than splat type. The example here:6; v8i1 = build_vector (i8 (bitcast (v8i1 X))), ..., (i8 (bitcast (v8i1 X))))7 8define <8 x i1> @foo(<8 x i1> %mask.i1) {9; CHECK-LABEL: foo:10; CHECK: # %bb.0: # %entry11; CHECK-NEXT: vxorps %xmm0, %xmm0, %xmm012; CHECK-NEXT: retq13entry:14 %0 = and <8 x i1> %mask.i1, <i1 true, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>15 %1 = bitcast <8 x i1> %0 to i816 %2 = icmp ne i8 %1, 017 %insert54 = insertelement <8 x i1> zeroinitializer, i1 %2, i64 018 %splat55 = shufflevector <8 x i1> %insert54, <8 x i1> zeroinitializer, <8 x i32> zeroinitializer19 %3 = and <8 x i1> %0, %splat5520 br label %end21 22end: ; preds = %entry23 %4 = select <8 x i1> %3, <8 x i1> zeroinitializer, <8 x i1> zeroinitializer24 ret <8 x i1> %425}26