1*cee313d2SEric Christophertarget datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
2*cee313d2SEric Christopher
3*cee313d2SEric Christopher; RUN: opt -mtriple=thumbv7em %s -S -loop-reduce -lsr-complexity-limit=65536 -o - | FileCheck %s
4*cee313d2SEric Christopher; RUN: opt -mtriple=thumbv7em %s -S -loop-reduce -lsr-complexity-limit=2147483647 -o - | FileCheck %s
5*cee313d2SEric Christopher
6*cee313d2SEric Christopher; CHECK-LABEL: for.body12.us.us:
7*cee313d2SEric Christopher; CHECK: [[LSR_IV6:%[^ ]+]] = phi i16* [ [[SCEVGEP7:%[^ ]+]], %for.body12.us.us ], [ [[SCEVGEP5:%[^ ]+]], %for.cond9.preheader.us.us ]
8*cee313d2SEric Christopher; CHECK: phi i32
9*cee313d2SEric Christopher; CHECK: [[LSR_IV:%[^ ]+]] = phi i16* [ [[SCEVGEP1:%[^ ]+]], %for.body12.us.us ], [ [[SCEVGEP:%[^ ]+]], %for.cond9.preheader.us.us ]
10*cee313d2SEric Christopher; CHECK: phi i32
11*cee313d2SEric Christopher; CHECK: [[SCEVGEP1]] = getelementptr i16, i16* [[LSR_IV]], i32 4
12*cee313d2SEric Christopher; CHECK: [[SCEVGEP7]] = getelementptr i16, i16* [[LSR_IV6]], i32 4
13*cee313d2SEric Christopher
14*cee313d2SEric Christopherdefine void @convolve(i16** nocapture readonly %input_image, i16** nocapture readonly %filter, i32 %filter_dim, i32 %out_width, i32 %out_height, i32** nocapture readonly %convolved) {
15*cee313d2SEric Christopherentry:
16*cee313d2SEric Christopher  %cmp92 = icmp eq i32 %out_height, 0
17*cee313d2SEric Christopher  br i1 %cmp92, label %for.cond.cleanup, label %for.cond1.preheader.lr.ph
18*cee313d2SEric Christopher
19*cee313d2SEric Christopherfor.cond1.preheader.lr.ph:                        ; preds = %entry
20*cee313d2SEric Christopher  %xtraiter = and i32 %filter_dim, 3
21*cee313d2SEric Christopher  %unroll_iter = sub i32 %filter_dim, %xtraiter
22*cee313d2SEric Christopher  br label %for.cond1.preheader
23*cee313d2SEric Christopher
24*cee313d2SEric Christopherfor.cond1.preheader:                              ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph
25*cee313d2SEric Christopher  %res_y.093 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %add28, %for.cond.cleanup3 ]
26*cee313d2SEric Christopher  %arrayidx22 = getelementptr inbounds i32*, i32** %convolved, i32 %res_y.093
27*cee313d2SEric Christopher  %tmp3 = load i32*, i32** %arrayidx22, align 4
28*cee313d2SEric Christopher  br label %for.cond9.preheader.us.us.preheader
29*cee313d2SEric Christopher
30*cee313d2SEric Christopherfor.cond9.preheader.us.us.preheader:              ; preds = %for.cond5.for.cond.cleanup7_crit_edge.us, %for.cond5.preheader.lr.ph
31*cee313d2SEric Christopher  %res_x.060.us = phi i32 [ %add25.us, %for.cond5.for.cond.cleanup7_crit_edge.us ], [ 0, %for.cond1.preheader ]
32*cee313d2SEric Christopher  br label %for.cond9.preheader.us.us
33*cee313d2SEric Christopher
34*cee313d2SEric Christopherfor.cond9.preheader.us.us:                        ; preds = %for.cond9.for.cond.cleanup11_crit_edge.us.us, %for.cond9.preheader.us.us.preheader
35*cee313d2SEric Christopher  %filter_y.056.us.us = phi i32 [ %inc20.us.us, %for.cond9.for.cond.cleanup11_crit_edge.us.us.unr-lcssa ], [ 0, %for.cond9.preheader.us.us.preheader ]
36*cee313d2SEric Christopher  %result_element.055.us.us = phi i32 [ %add18.us.us.3, %for.cond9.for.cond.cleanup11_crit_edge.us.us.unr-lcssa ], [ 0, %for.cond9.preheader.us.us.preheader ]
37*cee313d2SEric Christopher  %add.us.us = add i32 %filter_y.056.us.us, %res_y.093
38*cee313d2SEric Christopher  %arrayidx.us.us = getelementptr inbounds i16*, i16** %filter, i32 %filter_y.056.us.us
39*cee313d2SEric Christopher  %tmp5 = load i16*, i16** %arrayidx.us.us, align 4
40*cee313d2SEric Christopher  %arrayidx15.us.us = getelementptr inbounds i16*, i16** %input_image, i32 %add.us.us
41*cee313d2SEric Christopher  %tmp6 = load i16*, i16** %arrayidx15.us.us, align 4
42*cee313d2SEric Christopher  br label %for.body12.us.us
43*cee313d2SEric Christopher
44*cee313d2SEric Christopherfor.body12.us.us:                                 ; preds = %for.body12.us.us, %for.cond9.preheader.us.us
45*cee313d2SEric Christopher  %filter_x.053.us.us = phi i32 [ %inc.us.us.3, %for.body12.us.us ], [ 0, %for.cond9.preheader.us.us ]
46*cee313d2SEric Christopher  %result_element.152.us.us = phi i32 [ %add18.us.us.3, %for.body12.us.us ], [ %result_element.055.us.us, %for.cond9.preheader.us.us ]
47*cee313d2SEric Christopher  %niter = phi i32 [ %niter.nsub.3, %for.body12.us.us ], [ %unroll_iter, %for.cond9.preheader.us.us ]
48*cee313d2SEric Christopher  %add13.us.us = add i32 %filter_x.053.us.us, %res_x.060.us
49*cee313d2SEric Christopher  %arrayidx14.us.us = getelementptr inbounds i16, i16* %tmp5, i32 %filter_x.053.us.us
50*cee313d2SEric Christopher  %tmp9 = load i16, i16* %arrayidx14.us.us, align 2
51*cee313d2SEric Christopher  %conv.us.us = sext i16 %tmp9 to i32
52*cee313d2SEric Christopher  %arrayidx16.us.us = getelementptr inbounds i16, i16* %tmp6, i32 %add13.us.us
53*cee313d2SEric Christopher  %tmp10 = load i16, i16* %arrayidx16.us.us, align 2
54*cee313d2SEric Christopher  %conv17.us.us = sext i16 %tmp10 to i32
55*cee313d2SEric Christopher  %mul.us.us = mul nsw i32 %conv17.us.us, %conv.us.us
56*cee313d2SEric Christopher  %add18.us.us = add nsw i32 %mul.us.us, %result_element.152.us.us
57*cee313d2SEric Christopher  %inc.us.us = or i32 %filter_x.053.us.us, 1
58*cee313d2SEric Christopher  %add13.us.us.1 = add i32 %inc.us.us, %res_x.060.us
59*cee313d2SEric Christopher  %arrayidx14.us.us.1 = getelementptr inbounds i16, i16* %tmp5, i32 %inc.us.us
60*cee313d2SEric Christopher  %tmp11 = load i16, i16* %arrayidx14.us.us.1, align 2
61*cee313d2SEric Christopher  %conv.us.us.1 = sext i16 %tmp11 to i32
62*cee313d2SEric Christopher  %arrayidx16.us.us.1 = getelementptr inbounds i16, i16* %tmp6, i32 %add13.us.us.1
63*cee313d2SEric Christopher  %tmp12 = load i16, i16* %arrayidx16.us.us.1, align 2
64*cee313d2SEric Christopher  %conv17.us.us.1 = sext i16 %tmp12 to i32
65*cee313d2SEric Christopher  %mul.us.us.1 = mul nsw i32 %conv17.us.us.1, %conv.us.us.1
66*cee313d2SEric Christopher  %add18.us.us.1 = add nsw i32 %mul.us.us.1, %add18.us.us
67*cee313d2SEric Christopher  %inc.us.us.1 = or i32 %filter_x.053.us.us, 2
68*cee313d2SEric Christopher  %add13.us.us.2 = add i32 %inc.us.us.1, %res_x.060.us
69*cee313d2SEric Christopher  %arrayidx14.us.us.2 = getelementptr inbounds i16, i16* %tmp5, i32 %inc.us.us.1
70*cee313d2SEric Christopher  %tmp13 = load i16, i16* %arrayidx14.us.us.2, align 2
71*cee313d2SEric Christopher  %conv.us.us.2 = sext i16 %tmp13 to i32
72*cee313d2SEric Christopher  %arrayidx16.us.us.2 = getelementptr inbounds i16, i16* %tmp6, i32 %add13.us.us.2
73*cee313d2SEric Christopher  %tmp14 = load i16, i16* %arrayidx16.us.us.2, align 2
74*cee313d2SEric Christopher  %conv17.us.us.2 = sext i16 %tmp14 to i32
75*cee313d2SEric Christopher  %mul.us.us.2 = mul nsw i32 %conv17.us.us.2, %conv.us.us.2
76*cee313d2SEric Christopher  %add18.us.us.2 = add nsw i32 %mul.us.us.2, %add18.us.us.1
77*cee313d2SEric Christopher  %inc.us.us.2 = or i32 %filter_x.053.us.us, 3
78*cee313d2SEric Christopher  %add13.us.us.3 = add i32 %inc.us.us.2, %res_x.060.us
79*cee313d2SEric Christopher  %arrayidx14.us.us.3 = getelementptr inbounds i16, i16* %tmp5, i32 %inc.us.us.2
80*cee313d2SEric Christopher  %tmp15 = load i16, i16* %arrayidx14.us.us.3, align 2
81*cee313d2SEric Christopher  %conv.us.us.3 = sext i16 %tmp15 to i32
82*cee313d2SEric Christopher  %arrayidx16.us.us.3 = getelementptr inbounds i16, i16* %tmp6, i32 %add13.us.us.3
83*cee313d2SEric Christopher  %tmp16 = load i16, i16* %arrayidx16.us.us.3, align 2
84*cee313d2SEric Christopher  %conv17.us.us.3 = sext i16 %tmp16 to i32
85*cee313d2SEric Christopher  %mul.us.us.3 = mul nsw i32 %conv17.us.us.3, %conv.us.us.3
86*cee313d2SEric Christopher  %add18.us.us.3 = add nsw i32 %mul.us.us.3, %add18.us.us.2
87*cee313d2SEric Christopher  %inc.us.us.3 = add i32 %filter_x.053.us.us, 4
88*cee313d2SEric Christopher  %niter.nsub.3 = add i32 %niter, -4
89*cee313d2SEric Christopher  %niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
90*cee313d2SEric Christopher  br i1 %niter.ncmp.3, label %for.cond9.for.cond.cleanup11_crit_edge.us.us.unr-lcssa, label %for.body12.us.us
91*cee313d2SEric Christopher
92*cee313d2SEric Christopherfor.cond9.for.cond.cleanup11_crit_edge.us.us.unr-lcssa: ; preds = %for.body12.us.us, %for.cond9.preheader.us.us
93*cee313d2SEric Christopher  %inc20.us.us = add nuw i32 %filter_y.056.us.us, 1
94*cee313d2SEric Christopher  %exitcond98 = icmp eq i32 %inc20.us.us, %filter_dim
95*cee313d2SEric Christopher  br i1 %exitcond98, label %for.cond5.for.cond.cleanup7_crit_edge.us, label %for.cond9.preheader.us.us
96*cee313d2SEric Christopher
97*cee313d2SEric Christopherfor.cond5.for.cond.cleanup7_crit_edge.us:         ; preds = %for.cond9.for.cond.cleanup11_crit_edge.us.us
98*cee313d2SEric Christopher  %arrayidx23.us = getelementptr inbounds i32, i32* %tmp3, i32 %res_x.060.us
99*cee313d2SEric Christopher  store i32 %add18.us.us.3, i32* %arrayidx23.us, align 4
100*cee313d2SEric Christopher  %add25.us = add nuw i32 %res_x.060.us, 1
101*cee313d2SEric Christopher  %exitcond99 = icmp eq i32 %add25.us, %out_width
102*cee313d2SEric Christopher  br i1 %exitcond99, label %for.cond.cleanup3, label %for.cond9.preheader.us.us.preheader
103*cee313d2SEric Christopher
104*cee313d2SEric Christopherfor.cond.cleanup3:                                ; preds = %for.cond5.for.cond.cleanup7_crit_edge.us, %for.cond5.preheader.preheader, %for.cond1.preheader
105*cee313d2SEric Christopher  %add28 = add nuw i32 %res_y.093, 1
106*cee313d2SEric Christopher  %exitcond100 = icmp eq i32 %add28, %out_height
107*cee313d2SEric Christopher  br i1 %exitcond100, label %for.cond.cleanup, label %for.cond1.preheader
108*cee313d2SEric Christopher
109*cee313d2SEric Christopherfor.cond.cleanup:                                 ; preds = %for.cond.cleanup3, %entry
110*cee313d2SEric Christopher  ret void
111*cee313d2SEric Christopher}
112*cee313d2SEric Christopher
113