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-88.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-88.s > vect-88.ll
6 ; ModuleID = 'vect-88.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 define i32 @main1(i32 %n, i32* %a) nounwind uwtable noinline {
12 %b = alloca [16 x i32], align 16
13 %tmp9 = zext i32 %n to i64
14 %tmp11 = icmp sgt i32 %n, 0
15 %smax = select i1 %tmp11, i32 %n, i32 0
16 %tmp14 = zext i32 %smax to i64
17 %tmp16 = zext i32 %n to i64
20 for.cond: ; preds = %for.inc17, %entry
21 %indvar12 = phi i64 [ %indvar.next13, %for.inc17 ], [ 0, %entry ]
22 %k.0 = phi i32 [ undef, %entry ], [ %k.1.lcssa, %for.inc17 ]
23 %arrayidx16 = getelementptr [16 x i32]* %b, i64 0, i64 %indvar12
24 %tmp17 = add i64 %tmp16, %indvar12
25 %add = trunc i64 %tmp17 to i32
26 %exitcond15 = icmp ne i64 %indvar12, %tmp14
27 br i1 %exitcond15, label %for.body, label %for.end20
29 for.body: ; preds = %for.cond
32 for.cond2: ; preds = %for.inc, %for.body
33 %indvar7 = phi i64 [ %indvar.next8, %for.inc ], [ 0, %for.body ]
34 %k.1 = phi i32 [ %k.0, %for.body ], [ %add, %for.inc ]
35 %arrayidx = getelementptr i32* %a, i64 %indvar7
36 %exitcond = icmp ne i64 %indvar7, %tmp9
37 br i1 %exitcond, label %for.body6, label %for.end
39 for.body6: ; preds = %for.cond2
40 store i32 %add, i32* %arrayidx, align 4
43 for.inc: ; preds = %for.body6
44 %indvar.next8 = add i64 %indvar7, 1
47 for.end: ; preds = %for.cond2
48 %k.1.lcssa = phi i32 [ %k.1, %for.cond2 ]
49 store i32 %k.1.lcssa, i32* %arrayidx16, align 4
52 for.inc17: ; preds = %for.end
53 %indvar.next13 = add i64 %indvar12, 1
56 for.end20: ; preds = %for.cond
59 for.cond21: ; preds = %for.inc35, %for.end20
60 %indvar4 = phi i64 [ %indvar.next5, %for.inc35 ], [ 0, %for.end20 ]
61 %arrayidx29 = getelementptr i32* %a, i64 %indvar4
62 %j.1 = trunc i64 %indvar4 to i32
63 %cmp24 = icmp slt i32 %j.1, %n
64 br i1 %cmp24, label %for.body25, label %for.end38
66 for.body25: ; preds = %for.cond21
67 %tmp30 = load i32* %arrayidx29, align 4
68 %add33 = add nsw i32 %smax, %n
69 %sub = add nsw i32 %add33, -1
70 %cmp34 = icmp eq i32 %tmp30, %sub
71 br i1 %cmp34, label %if.end, label %if.then
73 if.then: ; preds = %for.body25
74 call void @abort() noreturn nounwind
77 if.end: ; preds = %for.body25
80 for.inc35: ; preds = %if.end
81 %indvar.next5 = add i64 %indvar4, 1
84 for.end38: ; preds = %for.cond21
85 %tmp = zext i32 %n to i64
88 for.cond39: ; preds = %for.inc54, %for.end38
89 %indvar = phi i64 [ %indvar.next, %for.inc54 ], [ 0, %for.end38 ]
90 %tmp1 = add i64 %tmp, %indvar
91 %add50 = trunc i64 %tmp1 to i32
92 %arrayidx46 = getelementptr [16 x i32]* %b, i64 0, i64 %indvar
93 %j.2 = trunc i64 %indvar to i32
94 %cmp42 = icmp slt i32 %j.2, %n
95 br i1 %cmp42, label %for.body43, label %for.end57
97 for.body43: ; preds = %for.cond39
98 %tmp47 = load i32* %arrayidx46, align 4
99 %cmp51 = icmp eq i32 %tmp47, %add50
100 br i1 %cmp51, label %if.end53, label %if.then52
102 if.then52: ; preds = %for.body43
103 call void @abort() noreturn nounwind
106 if.end53: ; preds = %for.body43
109 for.inc54: ; preds = %if.end53
110 %indvar.next = add i64 %indvar, 1
113 for.end57: ; preds = %for.cond39
117 declare void @abort() noreturn
119 define i32 @main() nounwind uwtable {
121 %a = alloca [17 x i32], align 16
122 call void @check_vect()
123 %add.ptr = getelementptr inbounds [17 x i32]* %a, i64 0, i64 1
124 %call = call i32 @main1(i32 16, i32* %add.ptr)
125 %add.ptr2 = getelementptr inbounds [17 x i32]* %a, i64 0, i64 1
126 %call3 = call i32 @main1(i32 0, i32* %add.ptr2)
127 %add.ptr5 = getelementptr inbounds [17 x i32]* %a, i64 0, i64 1
128 %call6 = call i32 @main1(i32 1, i32* %add.ptr5)
129 %add.ptr8 = getelementptr inbounds [17 x i32]* %a, i64 0, i64 1
130 %call9 = call i32 @main1(i32 2, i32* %add.ptr8)
131 %add.ptr11 = getelementptr inbounds [17 x i32]* %a, i64 0, i64 1
132 %call12 = call i32 @main1(i32 15, i32* %add.ptr11)
136 define internal void @check_vect() nounwind uwtable noinline {
138 %a = alloca i32, align 4
139 %b = alloca i32, align 4
140 %c = alloca i32, align 4
141 %d = alloca i32, align 4
142 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
143 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
144 %tobool = icmp eq i32 %call1, 0
145 br i1 %tobool, label %if.then, label %lor.lhs.false
147 lor.lhs.false: ; preds = %entry
148 %tmp4 = load i32* %d, align 4
149 %and6 = and i32 %tmp4, 67108864
150 %cmp = icmp eq i32 %and6, 0
151 br i1 %cmp, label %if.then, label %if.end
153 if.then: ; preds = %entry, %lor.lhs.false
154 call void @exit(i32 0) noreturn nounwind
157 if.end: ; preds = %lor.lhs.false
158 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
162 declare void (i32)* @signal(i32, void (i32)*) nounwind
164 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
166 call void @exit(i32 0) noreturn nounwind
169 return: ; No predecessors!
173 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
175 %and = and i32 %__level, -2147483648
176 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
177 %cmp = icmp ult i32 %call, %__level
178 br i1 %cmp, label %if.then, label %if.end
180 if.then: ; preds = %entry
183 if.end: ; preds = %entry
184 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
185 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
186 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
187 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
188 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
189 store i32 %asmresult, i32* %__eax, align 4
190 store i32 %asmresult8, i32* %__ebx, align 4
191 store i32 %asmresult9, i32* %__ecx, align 4
192 store i32 %asmresult10, i32* %__edx, align 4
195 return: ; preds = %if.end, %if.then
196 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
200 declare void @exit(i32) noreturn
202 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
204 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
205 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
206 %tobool = icmp eq i32* %__sig, null
207 br i1 %tobool, label %if.end, label %if.then
209 if.then: ; preds = %entry
210 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
211 store i32 %asmresult1, i32* %__sig, align 4
214 if.end: ; preds = %entry, %if.then
218 !0 = metadata !{i32 -2147343054, i32 -2147343046}
219 !1 = metadata !{i32 -2147343177, i32 -2147343169}