1 ; RUN: opt %loadPolly %defaultOpts -polly-codegen -enable-polly-vector -dce -S %s | FileCheck %s
2 ; Obtained from C source as:
3 ; clang -S -emit-llvm -O0 vect-strided-a-u16-mult.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-strided-a-u16-mult.s > vect-strided-a-u16-mult.ll
6 ; ModuleID = 'vect-strided-a-u16-mult.s'
7 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"
8 target triple = "x86_64-unknown-linux-gnu"
10 %struct.s = type { i16, i16 }
12 define i32 @main1() nounwind uwtable noinline {
14 %arr = alloca [128 x %struct.s], align 16
15 %iarr = alloca [128 x i32], align 16
16 %res = alloca [128 x %struct.s], align 16
17 %ires = alloca [128 x i32], align 16
20 for.cond: ; preds = %for.inc, %entry
21 %indvar18 = phi i64 [ %indvar.next19, %for.inc ], [ 0, %entry ]
22 %tmp = mul i64 %indvar18, 2
23 %conv5 = trunc i64 %tmp to i16
24 %scevgep21 = getelementptr [128 x %struct.s]* %arr, i64 0, i64 %indvar18
25 %a = bitcast %struct.s* %scevgep21 to i16*
26 %arrayidx13 = getelementptr [128 x i32]* %iarr, i64 0, i64 %indvar18
27 %tmp24 = mul i64 %indvar18, 3
28 %mul10 = trunc i64 %tmp24 to i32
29 %b = getelementptr [128 x %struct.s]* %arr, i64 0, i64 %indvar18, i32 1
30 %conv = trunc i64 %indvar18 to i16
31 %i.0 = trunc i64 %indvar18 to i32
32 %cmp = icmp slt i32 %i.0, 128
33 br i1 %cmp, label %for.body, label %for.end
35 for.body: ; preds = %for.cond
36 store i16 %conv, i16* %a, align 4
37 store i16 %conv5, i16* %b, align 2
38 store i32 %mul10, i32* %arrayidx13, align 4
39 %tmp18 = load i16* %a, align 4
40 %cmp20 = icmp eq i16 %tmp18, 178
41 br i1 %cmp20, label %if.then, label %if.end
43 if.then: ; preds = %for.body
44 call void @abort() noreturn nounwind
47 if.end: ; preds = %for.body
50 for.inc: ; preds = %if.end
51 %indvar.next19 = add i64 %indvar18, 1
54 for.end: ; preds = %for.cond
57 for.cond23: ; preds = %for.inc62, %for.end
58 %indvar8 = phi i64 [ %indvar.next9, %for.inc62 ], [ 0, %for.end ]
59 %scevgep10 = getelementptr [128 x %struct.s]* %res, i64 0, i64 %indvar8
60 %a58 = bitcast %struct.s* %scevgep10 to i16*
61 %b45 = getelementptr [128 x %struct.s]* %res, i64 0, i64 %indvar8, i32 1
62 %arrayidx32 = getelementptr [128 x i32]* %ires, i64 0, i64 %indvar8
63 %iptr.0 = getelementptr [128 x i32]* %iarr, i64 0, i64 %indvar8
64 %scevgep15 = getelementptr [128 x %struct.s]* %arr, i64 0, i64 %indvar8
65 %a38 = bitcast %struct.s* %scevgep15 to i16*
66 %b34 = getelementptr [128 x %struct.s]* %arr, i64 0, i64 %indvar8, i32 1
67 %exitcond = icmp ne i64 %indvar8, 128
68 br i1 %exitcond, label %for.body27, label %for.end65
70 for.body27: ; preds = %for.cond23
71 %tmp29 = load i32* %iptr.0, align 4
72 store i32 %tmp29, i32* %arrayidx32, align 4
73 %tmp35 = load i16* %b34, align 2
74 %tmp39 = load i16* %a38, align 2
75 %sub = sub i16 %tmp35, %tmp39
76 store i16 %sub, i16* %b45, align 2
77 %tmp48 = load i16* %b34, align 2
78 %tmp52 = load i16* %a38, align 2
79 %add = add i16 %tmp48, %tmp52
80 store i16 %add, i16* %a58, align 4
83 for.inc62: ; preds = %for.body27
84 %indvar.next9 = add i64 %indvar8, 1
87 for.end65: ; preds = %for.cond23
90 for.cond66: ; preds = %for.inc126, %for.end65
91 %indvar = phi i64 [ %indvar.next, %for.inc126 ], [ 0, %for.end65 ]
92 %scevgep = getelementptr [128 x %struct.s]* %arr, i64 0, i64 %indvar
93 %a86 = bitcast %struct.s* %scevgep to i16*
94 %b80 = getelementptr [128 x %struct.s]* %arr, i64 0, i64 %indvar, i32 1
95 %scevgep3 = getelementptr [128 x %struct.s]* %res, i64 0, i64 %indvar
96 %a106 = bitcast %struct.s* %scevgep3 to i16*
97 %arrayidx98 = getelementptr [128 x i32]* %iarr, i64 0, i64 %indvar
98 %arrayidx94 = getelementptr [128 x i32]* %ires, i64 0, i64 %indvar
99 %b74 = getelementptr [128 x %struct.s]* %res, i64 0, i64 %indvar, i32 1
100 %i.2 = trunc i64 %indvar to i32
101 %cmp68 = icmp slt i32 %i.2, 128
102 br i1 %cmp68, label %for.body70, label %for.end129
104 for.body70: ; preds = %for.cond66
105 %tmp75 = load i16* %b74, align 2
106 %conv76 = zext i16 %tmp75 to i32
107 %tmp81 = load i16* %b80, align 2
108 %conv82 = zext i16 %tmp81 to i32
109 %tmp87 = load i16* %a86, align 4
110 %conv88 = zext i16 %tmp87 to i32
111 %sub89 = sub nsw i32 %conv82, %conv88
112 %cmp90 = icmp eq i32 %conv76, %sub89
113 br i1 %cmp90, label %lor.lhs.false, label %if.then124
115 lor.lhs.false: ; preds = %for.body70
116 %tmp95 = load i32* %arrayidx94, align 4
117 %tmp99 = load i32* %arrayidx98, align 4
118 %cmp100 = icmp eq i32 %tmp95, %tmp99
119 br i1 %cmp100, label %lor.lhs.false102, label %if.then124
121 lor.lhs.false102: ; preds = %lor.lhs.false
122 %tmp107 = load i16* %a106, align 4
123 %conv108 = zext i16 %tmp107 to i32
124 %tmp113 = load i16* %b80, align 2
125 %conv114 = zext i16 %tmp113 to i32
126 %tmp119 = load i16* %a86, align 4
127 %conv120 = zext i16 %tmp119 to i32
128 %add121 = add nsw i32 %conv114, %conv120
129 %cmp122 = icmp eq i32 %conv108, %add121
130 br i1 %cmp122, label %if.end125, label %if.then124
132 if.then124: ; preds = %lor.lhs.false102, %lor.lhs.false, %for.body70
133 call void @abort() noreturn nounwind
136 if.end125: ; preds = %lor.lhs.false102
139 for.inc126: ; preds = %if.end125
140 %indvar.next = add i64 %indvar, 1
143 for.end129: ; preds = %for.cond66
147 declare void @abort() noreturn
149 define i32 @main() nounwind uwtable {
151 call void @check_vect()
152 %call = call i32 @main1()
156 define internal void @check_vect() nounwind uwtable noinline {
158 %a = alloca i32, align 4
159 %b = alloca i32, align 4
160 %c = alloca i32, align 4
161 %d = alloca i32, align 4
162 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
163 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
164 %tobool = icmp eq i32 %call1, 0
165 br i1 %tobool, label %if.then, label %lor.lhs.false
167 lor.lhs.false: ; preds = %entry
168 %tmp4 = load i32* %d, align 4
169 %and6 = and i32 %tmp4, 67108864
170 %cmp = icmp eq i32 %and6, 0
171 br i1 %cmp, label %if.then, label %if.end
173 if.then: ; preds = %entry, %lor.lhs.false
174 call void @exit(i32 0) noreturn nounwind
177 if.end: ; preds = %lor.lhs.false
178 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
182 declare void (i32)* @signal(i32, void (i32)*) nounwind
184 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
186 call void @exit(i32 0) noreturn nounwind
189 return: ; No predecessors!
193 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
195 %and = and i32 %__level, -2147483648
196 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
197 %cmp = icmp ult i32 %call, %__level
198 br i1 %cmp, label %if.then, label %if.end
200 if.then: ; preds = %entry
203 if.end: ; preds = %entry
204 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
205 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
206 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
207 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
208 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
209 store i32 %asmresult, i32* %__eax, align 4
210 store i32 %asmresult8, i32* %__ebx, align 4
211 store i32 %asmresult9, i32* %__ecx, align 4
212 store i32 %asmresult10, i32* %__edx, align 4
215 return: ; preds = %if.end, %if.then
216 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
220 declare void @exit(i32) noreturn
222 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
224 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
225 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
226 %tobool = icmp eq i32* %__sig, null
227 br i1 %tobool, label %if.end, label %if.then
229 if.then: ; preds = %entry
230 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
231 store i32 %asmresult1, i32* %__sig, align 4
234 if.end: ; preds = %entry, %if.then
238 !0 = metadata !{i32 -2147343234, i32 -2147343226}
239 !1 = metadata !{i32 -2147343357, i32 -2147343349}