1; RUN: opt < %s -mtriple=arm-eabi -mattr=+neon -interleaved-access -S | FileCheck %s 2 3; CHECK-LABEL: @extract_user_basic( 4; CHECK: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8 5; CHECK: %[[R:.+]] = extractvalue { <4 x i32>, <4 x i32> } %vldN, 0 6; CHECK: extractelement <4 x i32> %[[R]], i64 1 7define void @extract_user_basic(<8 x i32>* %A, i1 %C) { 8entry: 9 %L = load <8 x i32>, <8 x i32>* %A, align 8 10 %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> 11 br i1 %C, label %if.then, label %if.merge 12 13if.then: 14 %E = extractelement <8 x i32> %L, i32 2 15 br label %if.merge 16 17if.merge: 18 ret void 19} 20 21; CHECK-LABEL: @extract_user_multi( 22; CHECK: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8 23; CHECK: %[[R:.+]] = extractvalue { <4 x i32>, <4 x i32> } %vldN, 0 24; CHECK: extractelement <4 x i32> %[[R]], i64 0 25; CHECK: extractelement <4 x i32> %[[R]], i64 1 26define void @extract_user_multi(<8 x i32>* %A, i1 %C) { 27entry: 28 %L = load <8 x i32>, <8 x i32>* %A, align 8 29 %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> 30 br i1 %C, label %if.then, label %if.merge 31 32if.then: 33 %E1 = extractelement <8 x i32> %L, i32 0 34 br label %if.merge 35 36if.merge: 37 %E2 = extractelement <8 x i32> %L, i32 2 38 ret void 39} 40 41; CHECK-LABEL: @extract_user_multi_no_dom( 42; CHECK-NOT: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8 43define void @extract_user_multi_no_dom(<8 x i32>* %A, i1 %C) { 44entry: 45 %L = load <8 x i32>, <8 x i32>* %A, align 8 46 %E1 = extractelement <8 x i32> %L, i32 0 47 br i1 %C, label %if.then, label %if.merge 48 49if.then: 50 %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> 51 %E2 = extractelement <8 x i32> %L, i32 2 52 br label %if.merge 53 54if.merge: 55 ret void 56} 57 58; CHECK-LABEL: @extract_user_wrong_const_index( 59; CHECK-NOT: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8 60define void @extract_user_wrong_const_index(<8 x i32>* %A) { 61entry: 62 %L = load <8 x i32>, <8 x i32>* %A, align 8 63 %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> 64 %E = extractelement <8 x i32> %L, i32 1 65 ret void 66} 67 68; CHECK-LABEL: @extract_user_undef_index( 69; CHECK-NOT: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8 70define void @extract_user_undef_index(<8 x i32>* %A) { 71entry: 72 %L = load <8 x i32>, <8 x i32>* %A, align 8 73 %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> 74 %E = extractelement <8 x i32> %L, i32 undef 75 ret void 76} 77 78; CHECK-LABEL: @extract_user_var_index( 79; CHECK-NOT: %vldN = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0i8 80define void @extract_user_var_index(<8 x i32>* %A, i32 %I) { 81entry: 82 %L = load <8 x i32>, <8 x i32>* %A, align 8 83 %S = shufflevector <8 x i32> %L, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> 84 %E = extractelement <8 x i32> %L, i32 %I 85 ret void 86} 87