1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 2; 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 0 10; 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 void 24; 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 0 28 %2 = extractelement <2 x ptr addrspace(1)> %0, i32 1 29 br label %bb43 30 31bb20: 32 br label %bb105 33 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 %bb51 38 39bb51: 40 %3 = phi <2 x ptr addrspace(1)> [ poison, %bb54 ], [ zeroinitializer, %bb43 ] 41 %4 = extractelement <2 x ptr addrspace(1)> %3, i32 0 42 %5 = extractelement <2 x ptr addrspace(1)> %3, i32 1 43 br label %bb43 44 45bb54: 46 br label %bb51 47 48bb105: 49 %phi106 = phi ptr addrspace(1) [ %1, %bb20 ], [ null, %bb43 ] 50 ret void 51} 52 53