1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5 target triple = "x86_64-apple-macosx10.8.0"
7 define i32 @rollable(i32* noalias nocapture %in, i32* noalias nocapture %out, i64 %n) {
8 ; CHECK-LABEL: @rollable(
9 ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i64 [[N:%.*]], 0
10 ; CHECK-NEXT: br i1 [[TMP1]], label [[DOT_CRIT_EDGE:%.*]], label [[DOTLR_PH:%.*]]
12 ; CHECK-NEXT: [[I_019:%.*]] = phi i64 [ [[TMP10:%.*]], [[DOTLR_PH]] ], [ 0, [[TMP0:%.*]] ]
13 ; CHECK-NEXT: [[TMP2:%.*]] = shl i64 [[I_019]], 2
14 ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i64 [[TMP2]]
15 ; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
16 ; CHECK-NEXT: [[TMP5:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
17 ; CHECK-NEXT: [[TMP6:%.*]] = mul <4 x i32> [[TMP5]], <i32 7, i32 7, i32 7, i32 7>
18 ; CHECK-NEXT: [[TMP7:%.*]] = add <4 x i32> [[TMP6]], <i32 7, i32 14, i32 21, i32 28>
19 ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i64 [[TMP2]]
20 ; CHECK-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP8]] to <4 x i32>*
21 ; CHECK-NEXT: store <4 x i32> [[TMP7]], <4 x i32>* [[TMP9]], align 4
22 ; CHECK-NEXT: [[TMP10]] = add i64 [[I_019]], 1
23 ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[TMP10]], [[N]]
24 ; CHECK-NEXT: br i1 [[EXITCOND]], label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]]
26 ; CHECK-NEXT: ret i32 undef
28 %1 = icmp eq i64 %n, 0
29 br i1 %1, label %._crit_edge, label %.lr.ph
31 .lr.ph: ; preds = %0, %.lr.ph
32 %i.019 = phi i64 [ %26, %.lr.ph ], [ 0, %0 ]
33 %2 = shl i64 %i.019, 2
34 %3 = getelementptr inbounds i32, i32* %in, i64 %2
35 %4 = load i32, i32* %3, align 4
37 %6 = getelementptr inbounds i32, i32* %in, i64 %5
38 %7 = load i32, i32* %6, align 4
40 %9 = getelementptr inbounds i32, i32* %in, i64 %8
41 %10 = load i32, i32* %9, align 4
43 %12 = getelementptr inbounds i32, i32* %in, i64 %11
44 %13 = load i32, i32* %12, align 4
53 %22 = getelementptr inbounds i32, i32* %out, i64 %2
54 store i32 %15, i32* %22, align 4
55 %23 = getelementptr inbounds i32, i32* %out, i64 %5
56 store i32 %17, i32* %23, align 4
57 %24 = getelementptr inbounds i32, i32* %out, i64 %8
58 store i32 %19, i32* %24, align 4
59 %25 = getelementptr inbounds i32, i32* %out, i64 %11
60 store i32 %21, i32* %25, align 4
61 %26 = add i64 %i.019, 1
62 %exitcond = icmp eq i64 %26, %n
63 br i1 %exitcond, label %._crit_edge, label %.lr.ph
65 ._crit_edge: ; preds = %.lr.ph, %0
69 define i32 @unrollable(i32* %in, i32* %out, i64 %n) nounwind ssp uwtable {
70 ; CHECK-LABEL: @unrollable(
71 ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i64 [[N:%.*]], 0
72 ; CHECK-NEXT: br i1 [[TMP1]], label [[DOT_CRIT_EDGE:%.*]], label [[DOTLR_PH:%.*]]
74 ; CHECK-NEXT: [[I_019:%.*]] = phi i64 [ [[TMP26:%.*]], [[DOTLR_PH]] ], [ 0, [[TMP0:%.*]] ]
75 ; CHECK-NEXT: [[TMP2:%.*]] = shl i64 [[I_019]], 2
76 ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i64 [[TMP2]]
77 ; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP3]], align 4
78 ; CHECK-NEXT: [[TMP5:%.*]] = or i64 [[TMP2]], 1
79 ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[IN]], i64 [[TMP5]]
80 ; CHECK-NEXT: [[TMP7:%.*]] = load i32, i32* [[TMP6]], align 4
81 ; CHECK-NEXT: [[TMP8:%.*]] = or i64 [[TMP2]], 2
82 ; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[IN]], i64 [[TMP8]]
83 ; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP9]], align 4
84 ; CHECK-NEXT: [[TMP11:%.*]] = or i64 [[TMP2]], 3
85 ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[IN]], i64 [[TMP11]]
86 ; CHECK-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP12]], align 4
87 ; CHECK-NEXT: [[TMP14:%.*]] = mul i32 [[TMP4]], 7
88 ; CHECK-NEXT: [[TMP15:%.*]] = add i32 [[TMP14]], 7
89 ; CHECK-NEXT: [[TMP16:%.*]] = mul i32 [[TMP7]], 7
90 ; CHECK-NEXT: [[TMP17:%.*]] = add i32 [[TMP16]], 14
91 ; CHECK-NEXT: [[TMP18:%.*]] = mul i32 [[TMP10]], 7
92 ; CHECK-NEXT: [[TMP19:%.*]] = add i32 [[TMP18]], 21
93 ; CHECK-NEXT: [[TMP20:%.*]] = mul i32 [[TMP13]], 7
94 ; CHECK-NEXT: [[TMP21:%.*]] = add i32 [[TMP20]], 28
95 ; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i64 [[TMP2]]
96 ; CHECK-NEXT: store i32 [[TMP15]], i32* [[TMP22]], align 4
97 ; CHECK-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[OUT]], i64 [[TMP5]]
98 ; CHECK-NEXT: store i32 [[TMP17]], i32* [[TMP23]], align 4
99 ; CHECK-NEXT: [[BARRIER:%.*]] = call i32 @goo(i32 0)
100 ; CHECK-NEXT: [[TMP24:%.*]] = getelementptr inbounds i32, i32* [[OUT]], i64 [[TMP8]]
101 ; CHECK-NEXT: store i32 [[TMP19]], i32* [[TMP24]], align 4
102 ; CHECK-NEXT: [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[OUT]], i64 [[TMP11]]
103 ; CHECK-NEXT: store i32 [[TMP21]], i32* [[TMP25]], align 4
104 ; CHECK-NEXT: [[TMP26]] = add i64 [[I_019]], 1
105 ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[TMP26]], [[N]]
106 ; CHECK-NEXT: br i1 [[EXITCOND]], label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]]
107 ; CHECK: ._crit_edge:
108 ; CHECK-NEXT: ret i32 undef
110 %1 = icmp eq i64 %n, 0
111 br i1 %1, label %._crit_edge, label %.lr.ph
113 .lr.ph: ; preds = %0, %.lr.ph
114 %i.019 = phi i64 [ %26, %.lr.ph ], [ 0, %0 ]
115 %2 = shl i64 %i.019, 2
116 %3 = getelementptr inbounds i32, i32* %in, i64 %2
117 %4 = load i32, i32* %3, align 4
119 %6 = getelementptr inbounds i32, i32* %in, i64 %5
120 %7 = load i32, i32* %6, align 4
122 %9 = getelementptr inbounds i32, i32* %in, i64 %8
123 %10 = load i32, i32* %9, align 4
125 %12 = getelementptr inbounds i32, i32* %in, i64 %11
126 %13 = load i32, i32* %12, align 4
130 %17 = add i32 %16, 14
132 %19 = add i32 %18, 21
134 %21 = add i32 %20, 28
135 %22 = getelementptr inbounds i32, i32* %out, i64 %2
136 store i32 %15, i32* %22, align 4
137 %23 = getelementptr inbounds i32, i32* %out, i64 %5
138 store i32 %17, i32* %23, align 4
139 %barrier = call i32 @goo(i32 0) ; <---------------- memory barrier.
140 %24 = getelementptr inbounds i32, i32* %out, i64 %8
141 store i32 %19, i32* %24, align 4
142 %25 = getelementptr inbounds i32, i32* %out, i64 %11
143 store i32 %21, i32* %25, align 4
144 %26 = add i64 %i.019, 1
145 %exitcond = icmp eq i64 %26, %n
146 br i1 %exitcond, label %._crit_edge, label %.lr.ph
148 ._crit_edge: ; preds = %.lr.ph, %0
152 declare i32 @goo(i32)