1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -loop-vectorize -mtriple=thumbv8-unknown-unknown -mcpu=cortex-a53 -S | FileCheck %s
4 ; This test is reduced from SPECFP 2006 482.sphinx.
5 ; We expect vectorization with <2 x double> and <2 x float> ops.
6 ; See https://bugs.llvm.org/show_bug.cgi?id=36280 for more details.
9 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
11 @a = external global i32
12 @v = external global i32
13 @mm = external global float**
14 @vv = external global float**
15 @ll = external global float*
17 define i32 @test(float* nocapture readonly %x) {
20 ; CHECK-NEXT: [[T:%.*]] = load i32, i32* @v, align 8
21 ; CHECK-NEXT: [[T1:%.*]] = load i32, i32* @a, align 4
22 ; CHECK-NEXT: br label [[OUTERLOOP:%.*]]
24 ; CHECK-NEXT: [[T2:%.*]] = phi i32 [ [[V17:%.*]], [[OUTEREND:%.*]] ], [ [[T1]], [[ENTRY:%.*]] ]
25 ; CHECK-NEXT: [[J_0136:%.*]] = phi i32 [ [[INC144:%.*]], [[OUTEREND]] ], [ 0, [[ENTRY]] ]
26 ; CHECK-NEXT: [[SCORE_1135:%.*]] = phi i32 [ [[CALL142:%.*]], [[OUTEREND]] ], [ -939524096, [[ENTRY]] ]
27 ; CHECK-NEXT: [[T3:%.*]] = load float**, float*** @mm, align 4
28 ; CHECK-NEXT: [[ARRAYIDX109:%.*]] = getelementptr inbounds float*, float** [[T3]], i32 [[T2]]
29 ; CHECK-NEXT: [[T4:%.*]] = load float*, float** [[ARRAYIDX109]], align 4
30 ; CHECK-NEXT: [[T5:%.*]] = load float**, float*** @vv, align 4
31 ; CHECK-NEXT: [[ARRAYIDX111:%.*]] = getelementptr inbounds float*, float** [[T5]], i32 [[T2]]
32 ; CHECK-NEXT: [[T6:%.*]] = load float*, float** [[ARRAYIDX111]], align 4
33 ; CHECK-NEXT: [[T7:%.*]] = load float*, float** @ll, align 4
34 ; CHECK-NEXT: [[ARRAYIDX113:%.*]] = getelementptr inbounds float, float* [[T7]], i32 [[T2]]
35 ; CHECK-NEXT: [[T8:%.*]] = load float, float* [[ARRAYIDX113]], align 4
36 ; CHECK-NEXT: [[CONV114:%.*]] = fpext float [[T8]] to double
37 ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[T]], 2
38 ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
40 ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[T]], 2
41 ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[T]], [[N_MOD_VF]]
42 ; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x double> zeroinitializer, double [[CONV114]], i32 0
43 ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
45 ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
46 ; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x double> [ [[TMP0]], [[VECTOR_PH]] ], [ [[TMP16:%.*]], [[VECTOR_BODY]] ]
47 ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> undef, i32 [[INDEX]], i32 0
48 ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> undef, <2 x i32> zeroinitializer
49 ; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[BROADCAST_SPLAT]], <i32 0, i32 1>
50 ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 0
51 ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* [[X:%.*]], i32 [[TMP1]]
52 ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, float* [[TMP2]], i32 0
53 ; CHECK-NEXT: [[TMP4:%.*]] = bitcast float* [[TMP3]] to <2 x float>*
54 ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP4]], align 4
55 ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[T4]], i32 [[TMP1]]
56 ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[TMP5]], i32 0
57 ; CHECK-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <2 x float>*
58 ; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x float>, <2 x float>* [[TMP7]], align 4
59 ; CHECK-NEXT: [[TMP8:%.*]] = fsub fast <2 x float> [[WIDE_LOAD]], [[WIDE_LOAD1]]
60 ; CHECK-NEXT: [[TMP9:%.*]] = fpext <2 x float> [[TMP8]] to <2 x double>
61 ; CHECK-NEXT: [[TMP10:%.*]] = fmul fast <2 x double> [[TMP9]], [[TMP9]]
62 ; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[T6]], i32 [[TMP1]]
63 ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds float, float* [[TMP11]], i32 0
64 ; CHECK-NEXT: [[TMP13:%.*]] = bitcast float* [[TMP12]] to <2 x float>*
65 ; CHECK-NEXT: [[WIDE_LOAD2:%.*]] = load <2 x float>, <2 x float>* [[TMP13]], align 4
66 ; CHECK-NEXT: [[TMP14:%.*]] = fpext <2 x float> [[WIDE_LOAD2]] to <2 x double>
67 ; CHECK-NEXT: [[TMP15:%.*]] = fmul fast <2 x double> [[TMP10]], [[TMP14]]
68 ; CHECK-NEXT: [[TMP16]] = fsub fast <2 x double> [[VEC_PHI]], [[TMP15]]
69 ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 2
70 ; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
71 ; CHECK-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
72 ; CHECK: middle.block:
73 ; CHECK-NEXT: [[RDX_SHUF:%.*]] = shufflevector <2 x double> [[TMP16]], <2 x double> undef, <2 x i32> <i32 1, i32 undef>
74 ; CHECK-NEXT: [[BIN_RDX:%.*]] = fadd fast <2 x double> [[TMP16]], [[RDX_SHUF]]
75 ; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x double> [[BIN_RDX]], i32 0
76 ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[T]], [[N_VEC]]
77 ; CHECK-NEXT: br i1 [[CMP_N]], label [[OUTEREND]], label [[SCALAR_PH]]
79 ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[OUTERLOOP]] ]
80 ; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi double [ [[CONV114]], [[OUTERLOOP]] ], [ [[TMP18]], [[MIDDLE_BLOCK]] ]
81 ; CHECK-NEXT: br label [[INNERLOOP:%.*]]
83 ; CHECK-NEXT: [[I_2132:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC129:%.*]], [[INNERLOOP]] ]
84 ; CHECK-NEXT: [[DVAL1_4131:%.*]] = phi double [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[SUB127:%.*]], [[INNERLOOP]] ]
85 ; CHECK-NEXT: [[ARRAYIDX119:%.*]] = getelementptr inbounds float, float* [[X]], i32 [[I_2132]]
86 ; CHECK-NEXT: [[T9:%.*]] = load float, float* [[ARRAYIDX119]], align 4
87 ; CHECK-NEXT: [[ARRAYIDX120:%.*]] = getelementptr inbounds float, float* [[T4]], i32 [[I_2132]]
88 ; CHECK-NEXT: [[T10:%.*]] = load float, float* [[ARRAYIDX120]], align 4
89 ; CHECK-NEXT: [[SUB121:%.*]] = fsub fast float [[T9]], [[T10]]
90 ; CHECK-NEXT: [[CONV122:%.*]] = fpext float [[SUB121]] to double
91 ; CHECK-NEXT: [[MUL123:%.*]] = fmul fast double [[CONV122]], [[CONV122]]
92 ; CHECK-NEXT: [[ARRAYIDX124:%.*]] = getelementptr inbounds float, float* [[T6]], i32 [[I_2132]]
93 ; CHECK-NEXT: [[T11:%.*]] = load float, float* [[ARRAYIDX124]], align 4
94 ; CHECK-NEXT: [[CONV125:%.*]] = fpext float [[T11]] to double
95 ; CHECK-NEXT: [[MUL126:%.*]] = fmul fast double [[MUL123]], [[CONV125]]
96 ; CHECK-NEXT: [[SUB127]] = fsub fast double [[DVAL1_4131]], [[MUL126]]
97 ; CHECK-NEXT: [[INC129]] = add nuw nsw i32 [[I_2132]], 1
98 ; CHECK-NEXT: [[EXITCOND143:%.*]] = icmp eq i32 [[INC129]], [[T]]
99 ; CHECK-NEXT: br i1 [[EXITCOND143]], label [[OUTEREND]], label [[INNERLOOP]], !llvm.loop !2
101 ; CHECK-NEXT: [[SUB127_LCSSA:%.*]] = phi double [ [[SUB127]], [[INNERLOOP]] ], [ [[TMP18]], [[MIDDLE_BLOCK]] ]
102 ; CHECK-NEXT: [[CONV138:%.*]] = fptosi double [[SUB127_LCSSA]] to i32
103 ; CHECK-NEXT: [[CALL142]] = add nuw nsw i32 [[SCORE_1135]], [[CONV138]]
104 ; CHECK-NEXT: [[INC144]] = add nuw nsw i32 [[J_0136]], 1
105 ; CHECK-NEXT: [[ARRAYIDX102:%.*]] = getelementptr inbounds i32, i32* @a, i32 [[INC144]]
106 ; CHECK-NEXT: [[V17]] = load i32, i32* [[ARRAYIDX102]], align 4
107 ; CHECK-NEXT: [[CMP103:%.*]] = icmp sgt i32 [[V17]], -1
108 ; CHECK-NEXT: br i1 [[CMP103]], label [[OUTERLOOP]], label [[EXIT:%.*]]
110 ; CHECK-NEXT: ret i32 [[CALL142]]
113 %t = load i32, i32* @v, align 8
114 %t1 = load i32, i32* @a, align 4
118 %t2 = phi i32 [ %v17, %outerend ], [ %t1, %entry ]
119 %j.0136 = phi i32 [ %inc144, %outerend ], [ 0, %entry ]
120 %score.1135 = phi i32 [ %call142, %outerend ], [ -939524096, %entry ]
121 %t3 = load float**, float*** @mm, align 4
122 %arrayidx109 = getelementptr inbounds float*, float** %t3, i32 %t2
123 %t4 = load float*, float** %arrayidx109, align 4
124 %t5 = load float**, float*** @vv, align 4
125 %arrayidx111 = getelementptr inbounds float*, float** %t5, i32 %t2
126 %t6 = load float*, float** %arrayidx111, align 4
127 %t7 = load float*, float** @ll, align 4
128 %arrayidx113 = getelementptr inbounds float, float* %t7, i32 %t2
129 %t8 = load float, float* %arrayidx113, align 4
130 %conv114 = fpext float %t8 to double
134 %i.2132 = phi i32 [ 0, %outerloop ], [ %inc129, %innerloop ]
135 %dval1.4131 = phi double [ %conv114, %outerloop ], [ %sub127, %innerloop ]
136 %arrayidx119 = getelementptr inbounds float, float* %x, i32 %i.2132
137 %t9 = load float, float* %arrayidx119, align 4
138 %arrayidx120 = getelementptr inbounds float, float* %t4, i32 %i.2132
139 %t10 = load float, float* %arrayidx120, align 4
140 %sub121 = fsub fast float %t9, %t10
141 %conv122 = fpext float %sub121 to double
142 %mul123 = fmul fast double %conv122, %conv122
143 %arrayidx124 = getelementptr inbounds float, float* %t6, i32 %i.2132
144 %t11 = load float, float* %arrayidx124, align 4
145 %conv125 = fpext float %t11 to double
146 %mul126 = fmul fast double %mul123, %conv125
147 %sub127 = fsub fast double %dval1.4131, %mul126
148 %inc129 = add nuw nsw i32 %i.2132, 1
149 %exitcond143 = icmp eq i32 %inc129, %t
150 br i1 %exitcond143, label %outerend, label %innerloop
153 %sub127.lcssa = phi double [ %sub127, %innerloop ]
154 %conv138 = fptosi double %sub127.lcssa to i32
155 %call142 = add nuw nsw i32 %score.1135, %conv138
156 %inc144 = add nuw nsw i32 %j.0136, 1
157 %arrayidx102 = getelementptr inbounds i32, i32* @a, i32 %inc144
158 %v17 = load i32, i32* %arrayidx102, align 4
159 %cmp103 = icmp sgt i32 %v17, -1
160 br i1 %cmp103, label %outerloop, label %exit