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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: %if x86-registered-target %{ opt -S --passes=slp-vectorizer -slp-threshold=-99999 < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s %}3; RUN: %if aarch64-registered-target %{ opt -S --passes=slp-vectorizer -slp-threshold=-99999 < %s -mtriple=aarch64-unknown-linux-gnu | FileCheck %s %}4 5define void @test() {6; CHECK-LABEL: define void @test() {7; CHECK-NEXT: [[BB:.*]]:8; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <2 x ptr addrspace(1)> zeroinitializer, <2 x ptr addrspace(1)> zeroinitializer, <2 x i32> <i32 1, i32 0>9; CHECK-NEXT: [[TMP1:%.*]] = extractelement <2 x ptr addrspace(1)> [[TMP0]], i32 010; CHECK-NEXT: br label %[[BB43:.*]]11; CHECK: [[BB20:.*]]:12; CHECK-NEXT: br label %[[BB105:.*]]13; CHECK: [[BB43]]:14; CHECK-NEXT: [[TMP2:%.*]] = phi <2 x ptr addrspace(1)> [ [[TMP3:%.*]], %[[BB51:.*]] ], [ zeroinitializer, %[[BB]] ]15; CHECK-NEXT: br i1 false, label %[[BB105]], label %[[BB51]]16; CHECK: [[BB51]]:17; CHECK-NEXT: [[TMP3]] = phi <2 x ptr addrspace(1)> [ poison, %[[BB54:.*]] ], [ zeroinitializer, %[[BB43]] ]18; CHECK-NEXT: br label %[[BB43]]19; CHECK: [[BB54]]:20; CHECK-NEXT: br label %[[BB51]]21; CHECK: [[BB105]]:22; CHECK-NEXT: [[PHI106:%.*]] = phi ptr addrspace(1) [ [[TMP1]], %[[BB20]] ], [ null, %[[BB43]] ]23; CHECK-NEXT: ret void24;25bb:26 %0 = shufflevector <2 x ptr addrspace(1)> zeroinitializer, <2 x ptr addrspace(1)> zeroinitializer, <2 x i32> <i32 1, i32 0>27 %1 = extractelement <2 x ptr addrspace(1)> %0, i32 028 %2 = extractelement <2 x ptr addrspace(1)> %0, i32 129 br label %bb4330 31bb20:32 br label %bb10533 34bb43:35 %phi441 = phi ptr addrspace(1) [ %4, %bb51 ], [ %2, %bb ]36 %phi452 = phi ptr addrspace(1) [ %5, %bb51 ], [ %1, %bb ]37 br i1 false, label %bb105, label %bb5138 39bb51:40 %3 = phi <2 x ptr addrspace(1)> [ poison, %bb54 ], [ zeroinitializer, %bb43 ]41 %4 = extractelement <2 x ptr addrspace(1)> %3, i32 042 %5 = extractelement <2 x ptr addrspace(1)> %3, i32 143 br label %bb4344 45bb54:46 br label %bb5147 48bb105:49 %phi106 = phi ptr addrspace(1) [ %1, %bb20 ], [ null, %bb43 ]50 ret void51}52 53