1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
4 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
5 target triple = "i386-apple-macosx10.9.0"
7 ; We disable the vectorization of <3 x float> for now
9 ; float foo(float *A) {
14 ; for (int i=0; i < 121; i+=3) {
23 define float @foo(float* nocapture readonly %A) {
26 ; CHECK-NEXT: [[TMP0:%.*]] = load float, float* [[A:%.*]], align 4
27 ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds float, float* [[A]], i64 1
28 ; CHECK-NEXT: [[TMP1:%.*]] = load float, float* [[ARRAYIDX1]], align 4
29 ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds float, float* [[A]], i64 2
30 ; CHECK-NEXT: [[TMP2:%.*]] = load float, float* [[ARRAYIDX2]], align 4
31 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
33 ; CHECK-NEXT: [[TMP3:%.*]] = phi float [ [[TMP0]], [[ENTRY:%.*]] ], [ [[DOTPRE:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE:%.*]] ]
34 ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE]] ]
35 ; CHECK-NEXT: [[B_032:%.*]] = phi float [ [[TMP2]], [[ENTRY]] ], [ [[ADD14:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE]] ]
36 ; CHECK-NEXT: [[G_031:%.*]] = phi float [ [[TMP1]], [[ENTRY]] ], [ [[ADD9:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE]] ]
37 ; CHECK-NEXT: [[R_030:%.*]] = phi float [ [[TMP0]], [[ENTRY]] ], [ [[ADD4:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE]] ]
38 ; CHECK-NEXT: [[MUL:%.*]] = fmul float [[TMP3]], 7.000000e+00
39 ; CHECK-NEXT: [[ADD4]] = fadd float [[R_030]], [[MUL]]
40 ; CHECK-NEXT: [[TMP4:%.*]] = add nsw i64 [[INDVARS_IV]], 1
41 ; CHECK-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP4]]
42 ; CHECK-NEXT: [[TMP5:%.*]] = load float, float* [[ARRAYIDX7]], align 4
43 ; CHECK-NEXT: [[MUL8:%.*]] = fmul float [[TMP5]], 8.000000e+00
44 ; CHECK-NEXT: [[ADD9]] = fadd float [[G_031]], [[MUL8]]
45 ; CHECK-NEXT: [[TMP6:%.*]] = add nsw i64 [[INDVARS_IV]], 2
46 ; CHECK-NEXT: [[ARRAYIDX12:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP6]]
47 ; CHECK-NEXT: [[TMP7:%.*]] = load float, float* [[ARRAYIDX12]], align 4
48 ; CHECK-NEXT: [[MUL13:%.*]] = fmul float [[TMP7]], 9.000000e+00
49 ; CHECK-NEXT: [[ADD14]] = fadd float [[B_032]], [[MUL13]]
50 ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 3
51 ; CHECK-NEXT: [[TMP8:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
52 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP8]], 121
53 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY_FOR_BODY_CRIT_EDGE]], label [[FOR_END:%.*]]
54 ; CHECK: for.body.for.body_crit_edge:
55 ; CHECK-NEXT: [[ARRAYIDX3_PHI_TRANS_INSERT:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV_NEXT]]
56 ; CHECK-NEXT: [[DOTPRE]] = load float, float* [[ARRAYIDX3_PHI_TRANS_INSERT]], align 4
57 ; CHECK-NEXT: br label [[FOR_BODY]]
59 ; CHECK-NEXT: [[ADD16:%.*]] = fadd float [[ADD4]], [[ADD9]]
60 ; CHECK-NEXT: [[ADD17:%.*]] = fadd float [[ADD16]], [[ADD14]]
61 ; CHECK-NEXT: ret float [[ADD17]]
64 %0 = load float, float* %A, align 4
65 %arrayidx1 = getelementptr inbounds float, float* %A, i64 1
66 %1 = load float, float* %arrayidx1, align 4
67 %arrayidx2 = getelementptr inbounds float, float* %A, i64 2
68 %2 = load float, float* %arrayidx2, align 4
71 for.body: ; preds = %for.body.for.body_crit_edge, %entry
72 %3 = phi float [ %0, %entry ], [ %.pre, %for.body.for.body_crit_edge ]
73 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body.for.body_crit_edge ]
74 %B.032 = phi float [ %2, %entry ], [ %add14, %for.body.for.body_crit_edge ]
75 %G.031 = phi float [ %1, %entry ], [ %add9, %for.body.for.body_crit_edge ]
76 %R.030 = phi float [ %0, %entry ], [ %add4, %for.body.for.body_crit_edge ]
77 %mul = fmul float %3, 7.000000e+00
78 %add4 = fadd float %R.030, %mul
79 %4 = add nsw i64 %indvars.iv, 1
80 %arrayidx7 = getelementptr inbounds float, float* %A, i64 %4
81 %5 = load float, float* %arrayidx7, align 4
82 %mul8 = fmul float %5, 8.000000e+00
83 %add9 = fadd float %G.031, %mul8
84 %6 = add nsw i64 %indvars.iv, 2
85 %arrayidx12 = getelementptr inbounds float, float* %A, i64 %6
86 %7 = load float, float* %arrayidx12, align 4
87 %mul13 = fmul float %7, 9.000000e+00
88 %add14 = fadd float %B.032, %mul13
89 %indvars.iv.next = add i64 %indvars.iv, 3
90 %8 = trunc i64 %indvars.iv.next to i32
91 %cmp = icmp slt i32 %8, 121
92 br i1 %cmp, label %for.body.for.body_crit_edge, label %for.end
94 for.body.for.body_crit_edge: ; preds = %for.body
95 %arrayidx3.phi.trans.insert = getelementptr inbounds float, float* %A, i64 %indvars.iv.next
96 %.pre = load float, float* %arrayidx3.phi.trans.insert, align 4
99 for.end: ; preds = %for.body
100 %add16 = fadd float %add4, %add9
101 %add17 = fadd float %add16, %add14