; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=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.
%0 = type { %1, %2 }
%1 = type { double, double }
%2 = type { double, double }
;define fastcc void @bar() {
define void @bar() {
; CHECK-LABEL: @bar(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[I:%.*]] = getelementptr inbounds [[TMP0:%.*]], ptr undef, i64 0, i32 1, i32 0
; CHECK-NEXT: [[I1:%.*]] = getelementptr inbounds [[TMP0]], ptr undef, i64 0, i32 1, i32 1
; CHECK-NEXT: [[I2:%.*]] = getelementptr inbounds [[TMP0]], ptr undef, i64 0, i32 1, i32 0
; CHECK-NEXT: [[I3:%.*]] = getelementptr inbounds [[TMP0]], ptr undef, i64 0, i32 1, i32 1
; CHECK-NEXT: [[I4:%.*]] = getelementptr inbounds [[TMP0]], ptr undef, i64 0, i32 1, i32 0
; CHECK-NEXT: br label [[BB6:%.*]]
; CHECK: bb6:
; CHECK-NEXT: [[I7:%.*]] = phi double [ 2.800000e+01, [[BB:%.*]] ], [ [[I10:%.*]], [[BB17:%.*]] ], [ [[I10]], [[BB16:%.*]] ], [ [[I10]], [[BB16]] ]
; CHECK-NEXT: [[I8:%.*]] = phi double [ 1.800000e+01, [[BB]] ], [ [[TMP1:%.*]], [[BB17]] ], [ [[TMP1]], [[BB16]] ], [ [[TMP1]], [[BB16]] ]
; CHECK-NEXT: store double [[I8]], ptr [[I]], align 8
; CHECK-NEXT: store double [[I7]], ptr [[I1]], align 8
; CHECK-NEXT: [[I10]] = load double, ptr [[I3]], align 8
; CHECK-NEXT: [[TMP0]] = load <2 x double>, ptr [[I2]], align 8
; CHECK-NEXT: br i1 undef, label [[BB11:%.*]], label [[BB12:%.*]]
; CHECK: bb11:
; CHECK-NEXT: ret void
; CHECK: bb12:
; CHECK-NEXT: store <2 x double> [[TMP0]], ptr [[I4]], align 8
; CHECK-NEXT: br i1 undef, label [[BB13:%.*]], label [[BB14:%.*]]
; CHECK: bb13:
; CHECK-NEXT: br label [[BB14]]
; CHECK: bb14:
; CHECK-NEXT: br i1 undef, label [[BB15:%.*]], label [[BB16]]
; CHECK: bb15:
; CHECK-NEXT: unreachable
; CHECK: bb16:
; CHECK-NEXT: [[TMP1]] = extractelement <2 x double> [[TMP0]], i32 0
; CHECK-NEXT: switch i32 undef, label [[BB17]] [
; CHECK-NEXT: i32 32, label [[BB6]]
; CHECK-NEXT: i32 103, label [[BB6]]
; CHECK-NEXT: ]
; CHECK: bb17:
; CHECK-NEXT: br i1 undef, label [[BB6]], label [[BB18:%.*]]
; CHECK: bb18:
; CHECK-NEXT: unreachable
;
bb:
%i = getelementptr inbounds %0, ptr undef, i64 0, i32 1, i32 0
%i1 = getelementptr inbounds %0, ptr undef, i64 0, i32 1, i32 1
%i2 = getelementptr inbounds %0, ptr undef, i64 0, i32 1, i32 0
%i3 = getelementptr inbounds %0, ptr undef, i64 0, i32 1, i32 1
%i4 = getelementptr inbounds %0, ptr undef, i64 0, i32 1, i32 0
%i5 = getelementptr inbounds %0, ptr undef, i64 0, i32 1, i32 1
br label %bb6
bb6: ; preds = %bb17, %bb16, %bb16, %bb
%i7 = phi double [ 2.800000e+01, %bb ], [ %i10, %bb17 ], [ %i10, %bb16 ], [ %i10, %bb16 ]
%i8 = phi double [ 1.800000e+01, %bb ], [ %i9, %bb17 ], [ %i9, %bb16 ], [ %i9, %bb16 ]
store double %i8, ptr %i, align 8
store double %i7, ptr %i1, align 8
%i9 = load double, ptr %i2, align 8
%i10 = load double, ptr %i3, align 8
br i1 undef, label %bb11, label %bb12
bb11: ; preds = %bb6
ret void
bb12: ; preds = %bb6
store double %i9, ptr %i4, align 8
store double %i10, ptr %i5, align 8
br i1 undef, label %bb13, label %bb14
bb13: ; preds = %bb12
br label %bb14
bb14: ; preds = %bb13, %bb12
br i1 undef, label %bb15, label %bb16
bb15: ; preds = %bb14
unreachable
bb16: ; preds = %bb14
switch i32 undef, label %bb17 [
i32 32, label %bb6
i32 103, label %bb6
]
bb17: ; preds = %bb16
br i1 undef, label %bb6, label %bb18
bb18: ; preds = %bb17
unreachable
}
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