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; RUN: opt -basicaa -slp-vectorizer -mtriple=x86_64-apple-macosx10.9.0 -mcpu=corei7-avx -S < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9.0"
; This test used to crash because we were following phi chains incorrectly.
; We used indices to get the incoming value of two phi nodes rather than
; incoming block lookup.
; This can give wrong results when the ordering of incoming
; edges in the two phi nodes don't match.
;CHECK-LABEL: bar
%0 = type { %1, %2 }
%1 = type { double, double }
%2 = type { double, double }
;define fastcc void @bar() {
define void @bar() {
%1 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 0
%2 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 1
%3 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 0
%4 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 1
%5 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 0
%6 = getelementptr inbounds %0, %0* undef, i64 0, i32 1, i32 1
br label %7
; <label>:7 ; preds = %18, %17, %17, %0
%8 = phi double [ 2.800000e+01, %0 ], [ %11, %18 ], [ %11, %17 ], [ %11, %17 ]
%9 = phi double [ 1.800000e+01, %0 ], [ %10, %18 ], [ %10, %17 ], [ %10, %17 ]
store double %9, double* %1, align 8
store double %8, double* %2, align 8
%10 = load double, double* %3, align 8
%11 = load double, double* %4, align 8
br i1 undef, label %12, label %13
; <label>:12 ; preds = %7
ret void
; <label>:13 ; preds = %7
store double %10, double* %5, align 8
store double %11, double* %6, align 8
br i1 undef, label %14, label %15
; <label>:14 ; preds = %13
br label %15
; <label>:15 ; preds = %14, %13
br i1 undef, label %16, label %17
; <label>:16 ; preds = %15
unreachable
; <label>:17 ; preds = %15
switch i32 undef, label %18 [
i32 32, label %7
i32 103, label %7
]
; <label>:18 ; preds = %17
br i1 undef, label %7, label %19
; <label>:19 ; preds = %18
unreachable
}
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