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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s3 4define void @test(i32 %arg) {5; CHECK-LABEL: define void @test(6; CHECK-SAME: i32 [[ARG:%.*]]) {7; CHECK-NEXT: [[BB:.*]]:8; CHECK-NEXT: br label %[[BB14:.*]]9; CHECK: [[BB1:.*]]:10; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <2 x i32> [[TMP11:%.*]], <2 x i32> <i32 poison, i32 0>, <2 x i32> <i32 1, i32 3>11; CHECK-NEXT: br label %[[BB2:.*]]12; CHECK: [[BB2]]:13; CHECK-NEXT: [[TMP1:%.*]] = phi <2 x i32> [ zeroinitializer, %[[BB14]] ], [ zeroinitializer, %[[BB1]] ]14; CHECK-NEXT: [[TMP2:%.*]] = phi <4 x i32> [ zeroinitializer, %[[BB14]] ], [ zeroinitializer, %[[BB1]] ]15; CHECK-NEXT: [[TMP3:%.*]] = phi <4 x i32> [ zeroinitializer, %[[BB14]] ], [ zeroinitializer, %[[BB1]] ]16; CHECK-NEXT: [[TMP4:%.*]] = phi <2 x i32> [ [[TMP11]], %[[BB14]] ], [ [[TMP0]], %[[BB1]] ]17; CHECK-NEXT: [[TMP5:%.*]] = extractelement <4 x i32> [[TMP3]], i32 318; CHECK-NEXT: [[ADD10:%.*]] = add i32 [[TMP5]], 019; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i32> [[TMP1]], i32 120; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <2 x i32> [[TMP4]], <2 x i32> poison, <4 x i32> <i32 0, i32 1, i32 poison, i32 poison>21; CHECK-NEXT: [[TMP8:%.*]] = shufflevector <4 x i32> [[TMP2]], <4 x i32> [[TMP7]], <2 x i32> <i32 2, i32 5>22; CHECK-NEXT: br i1 false, label %[[BB14]], label %[[BB11:.*]]23; CHECK: [[BB11]]:24; CHECK-NEXT: [[TMP9:%.*]] = phi <2 x i32> [ [[TMP1]], %[[BB2]] ]25; CHECK-NEXT: br label %[[BB14]]26; CHECK: [[BB14]]:27; CHECK-NEXT: [[PHI16:%.*]] = phi i32 [ [[ADD10]], %[[BB2]] ], [ 0, %[[BB]] ], [ 0, %[[BB11]] ]28; CHECK-NEXT: [[PHI17:%.*]] = phi i32 [ [[TMP6]], %[[BB2]] ], [ 0, %[[BB]] ], [ 0, %[[BB11]] ]29; CHECK-NEXT: [[TMP10:%.*]] = phi <2 x i32> [ [[TMP8]], %[[BB2]] ], [ zeroinitializer, %[[BB]] ], [ zeroinitializer, %[[BB11]] ]30; CHECK-NEXT: [[TMP11]] = insertelement <2 x i32> <i32 0, i32 poison>, i32 [[ARG]], i32 131; CHECK-NEXT: switch i32 0, label %[[BB2]] [32; CHECK-NEXT: i32 0, label %[[BB1]]33; CHECK-NEXT: i32 1, label %[[BB1]]34; CHECK-NEXT: ]35;36bb:37 br label %bb1438 39bb1:40 %0 = shufflevector <2 x i32> %10, <2 x i32> <i32 poison, i32 0>, <2 x i32> <i32 1, i32 3>41 br label %bb242 43bb2:44 %1 = phi <2 x i32> [ zeroinitializer, %bb14 ], [ zeroinitializer, %bb1 ]45 %2 = phi <4 x i32> [ zeroinitializer, %bb14 ], [ zeroinitializer, %bb1 ]46 %3 = phi <4 x i32> [ zeroinitializer, %bb14 ], [ zeroinitializer, %bb1 ]47 %4 = phi <2 x i32> [ %10, %bb14 ], [ %0, %bb1 ]48 %5 = extractelement <4 x i32> %3, i32 349 %add10 = add i32 %5, 050 %6 = extractelement <2 x i32> %1, i32 151 %7 = extractelement <4 x i32> %2, i32 252 %8 = extractelement <2 x i32> %4, i32 153 br i1 false, label %bb14, label %bb1154 55bb11:56 %9 = phi <2 x i32> [ %1, %bb2 ]57 br label %bb1458 59bb14:60 %phi15 = phi i32 [ %7, %bb2 ], [ 0, %bb ], [ 0, %bb11 ]61 %phi16 = phi i32 [ %add10, %bb2 ], [ 0, %bb ], [ 0, %bb11 ]62 %phi17 = phi i32 [ %6, %bb2 ], [ 0, %bb ], [ 0, %bb11 ]63 %phi18 = phi i32 [ %8, %bb2 ], [ 0, %bb ], [ 0, %bb11 ]64 %10 = insertelement <2 x i32> <i32 0, i32 poison>, i32 %arg, i32 165 switch i32 0, label %bb2 [66 i32 0, label %bb167 i32 1, label %bb168 ]69}70 71