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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 | FileCheck %s3 4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"5target triple = "x86_64-apple-darwin13.3.0"6 7@a = common global double 0.000000e+00, align 88 9define i32 @fn1() {10; CHECK-LABEL: @fn1(11; CHECK-NEXT: entry:12; CHECK-NEXT: [[INIT:%.*]] = load double, ptr @a, align 813; CHECK-NEXT: br label [[LOOP:%.*]]14; CHECK: loop:15; CHECK-NEXT: [[PHI:%.*]] = phi double [ [[ADD2:%.*]], [[LOOP]] ], [ [[INIT]], [[ENTRY:%.*]] ]16; CHECK-NEXT: [[POSTADD1_PHI:%.*]] = phi double [ [[POSTADD1:%.*]], [[LOOP]] ], [ [[INIT]], [[ENTRY]] ]17; CHECK-NEXT: [[POSTADD2_PHI:%.*]] = phi double [ [[POSTADD2:%.*]], [[LOOP]] ], [ [[INIT]], [[ENTRY]] ]18; CHECK-NEXT: [[ADD1:%.*]] = fadd double [[POSTADD1_PHI]], undef19; CHECK-NEXT: [[ADD2]] = fadd double [[POSTADD2_PHI]], [[PHI]]20; CHECK-NEXT: [[MUL2:%.*]] = fmul double [[ADD2]], 0.000000e+0021; CHECK-NEXT: [[BINARYOP_B:%.*]] = fadd double [[POSTADD1_PHI]], [[MUL2]]22; CHECK-NEXT: [[MUL1:%.*]] = fmul double [[ADD1]], 0.000000e+0023; CHECK-NEXT: [[TMP:%.*]] = fadd double [[POSTADD2_PHI]], 0.000000e+0024; CHECK-NEXT: [[BINARY_V:%.*]] = fadd double [[MUL1]], [[BINARYOP_B]]25; CHECK-NEXT: [[POSTADD1]] = fadd double [[BINARY_V]], 0.000000e+0026; CHECK-NEXT: [[POSTADD2]] = fadd double [[TMP]], 1.000000e+0027; CHECK-NEXT: [[TOBOOL:%.*]] = fcmp une double [[POSTADD1]], 0.000000e+0028; CHECK-NEXT: br i1 [[TOBOOL]], label [[EXIT:%.*]], label [[LOOP]]29; CHECK: exit:30; CHECK-NEXT: ret i32 131;32entry:33 %init = load double, ptr @a, align 834 br label %loop35 36loop:37 %phi = phi double [ %add2, %loop ], [ %init, %entry ]38 %postadd1_phi = phi double [ %postadd1, %loop ], [ %init, %entry ]39 %postadd2_phi = phi double [ %postadd2, %loop ], [ %init, %entry ]40 %add1 = fadd double %postadd1_phi, undef41 %add2 = fadd double %postadd2_phi, %phi42 %mul2 = fmul double %add2, 0.000000e+0043 %binaryop_B = fadd double %postadd1_phi, %mul244 %mul1 = fmul double %add1, 0.000000e+0045 %tmp = fadd double %postadd2_phi, 0.000000e+0046 47 ; tryToVectorize() starts with this binary instruction.48 ; At the same time vectorization wraps around the loop, vectorizes49 ; postadd1/2 and eventually binary_V and tmp. So binary_V itself is replaced50 ; with a vector instruction.51 ; The SLPVectorizer crashed because it tried to use binary_V52 ; after vectorization to re-arrange instructions.53 %binary_V = fadd double %mul1, %binaryop_B54 55 %postadd1 = fadd double %binary_V, 0.000000e+0056 %postadd2 = fadd double %tmp, 1.000000e+0057 %tobool = fcmp une double %postadd1, 0.000000e+0058 br i1 %tobool, label %exit, label %loop59 60exit:61 ret i32 162}63 64 65