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-25.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-25.s > vect-25.ll
6 ; ModuleID = 'vect-25.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* %p) nounwind uwtable noinline {
12 %ib = alloca [128 x i32], align 16
13 %ia = alloca [128 x i32], align 16
16 for.cond: ; preds = %for.inc, %entry
17 %indvar5 = phi i64 [ %indvar.next6, %for.inc ], [ 0, %entry ]
18 %arrayidx = getelementptr [128 x i32]* %ia, i64 0, i64 %indvar5
19 %exitcond7 = icmp ne i64 %indvar5, 128
20 br i1 %exitcond7, label %for.body, label %for.end
22 for.body: ; preds = %for.cond
23 store i32 %n, i32* %arrayidx, align 4
26 for.inc: ; preds = %for.body
27 %indvar.next6 = add i64 %indvar5, 1
30 for.end: ; preds = %for.cond
33 for.cond4: ; preds = %for.inc14, %for.end
34 %indvar3 = phi i64 [ %indvar.next4, %for.inc14 ], [ 0, %for.end ]
35 %arrayidx10 = getelementptr [128 x i32]* %ia, i64 0, i64 %indvar3
36 %i.1 = trunc i64 %indvar3 to i32
37 %cmp6 = icmp slt i32 %i.1, 128
38 br i1 %cmp6, label %for.body7, label %for.end17
40 for.body7: ; preds = %for.cond4
41 %tmp11 = load i32* %arrayidx10, align 4
42 %cmp13 = icmp eq i32 %tmp11, %n
43 br i1 %cmp13, label %if.end, label %if.then
45 if.then: ; preds = %for.body7
46 call void @abort() noreturn nounwind
49 if.end: ; preds = %for.body7
52 for.inc14: ; preds = %if.end
53 %indvar.next4 = add i64 %indvar3, 1
56 for.end17: ; preds = %for.cond4
57 %tmp19 = load i32* %p, align 4
60 for.cond20: ; preds = %for.inc28, %for.end17
61 %indvar1 = phi i64 [ %indvar.next2, %for.inc28 ], [ 0, %for.end17 ]
62 %arrayidx27 = getelementptr [128 x i32]* %ib, i64 0, i64 %indvar1
63 %exitcond = icmp ne i64 %indvar1, 128
64 br i1 %exitcond, label %for.body23, label %for.end31
66 for.body23: ; preds = %for.cond20
67 store i32 %tmp19, i32* %arrayidx27, align 4
70 for.inc28: ; preds = %for.body23
71 %indvar.next2 = add i64 %indvar1, 1
74 for.end31: ; preds = %for.cond20
77 for.cond32: ; preds = %for.inc44, %for.end31
78 %indvar = phi i64 [ %indvar.next, %for.inc44 ], [ 0, %for.end31 ]
79 %arrayidx38 = getelementptr [128 x i32]* %ib, i64 0, i64 %indvar
80 %i.3 = trunc i64 %indvar to i32
81 %cmp34 = icmp slt i32 %i.3, 128
82 br i1 %cmp34, label %for.body35, label %for.end47
84 for.body35: ; preds = %for.cond32
85 %tmp39 = load i32* %arrayidx38, align 4
86 %cmp41 = icmp eq i32 %tmp39, %tmp19
87 br i1 %cmp41, label %if.end43, label %if.then42
89 if.then42: ; preds = %for.body35
90 call void @abort() noreturn nounwind
93 if.end43: ; preds = %for.body35
96 for.inc44: ; preds = %if.end43
97 %indvar.next = add i64 %indvar, 1
100 for.end47: ; preds = %for.cond32
104 declare void @abort() noreturn
106 define i32 @main() nounwind uwtable {
108 %m = alloca i32, align 4
109 store i32 8, i32* %m, align 4
110 call void @check_vect()
111 %tmp = load i32* %m, align 4
112 %call = call i32 @main1(i32 %tmp, i32* %m)
116 define internal void @check_vect() nounwind uwtable noinline {
118 %a = alloca i32, align 4
119 %b = alloca i32, align 4
120 %c = alloca i32, align 4
121 %d = alloca i32, align 4
122 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
123 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
124 %tobool = icmp eq i32 %call1, 0
125 br i1 %tobool, label %if.then, label %lor.lhs.false
127 lor.lhs.false: ; preds = %entry
128 %tmp4 = load i32* %d, align 4
129 %and6 = and i32 %tmp4, 67108864
130 %cmp = icmp eq i32 %and6, 0
131 br i1 %cmp, label %if.then, label %if.end
133 if.then: ; preds = %entry, %lor.lhs.false
134 call void @exit(i32 0) noreturn nounwind
137 if.end: ; preds = %lor.lhs.false
138 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
142 declare void (i32)* @signal(i32, void (i32)*) nounwind
144 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
146 call void @exit(i32 0) noreturn nounwind
149 return: ; No predecessors!
153 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
155 %and = and i32 %__level, -2147483648
156 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
157 %cmp = icmp ult i32 %call, %__level
158 br i1 %cmp, label %if.then, label %if.end
160 if.then: ; preds = %entry
163 if.end: ; preds = %entry
164 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
165 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
166 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
167 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
168 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
169 store i32 %asmresult, i32* %__eax, align 4
170 store i32 %asmresult8, i32* %__ebx, align 4
171 store i32 %asmresult9, i32* %__ecx, align 4
172 store i32 %asmresult10, i32* %__edx, align 4
175 return: ; preds = %if.end, %if.then
176 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
180 declare void @exit(i32) noreturn
182 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
184 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
185 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
186 %tobool = icmp eq i32* %__sig, null
187 br i1 %tobool, label %if.end, label %if.then
189 if.then: ; preds = %entry
190 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
191 store i32 %asmresult1, i32* %__sig, align 4
194 if.end: ; preds = %entry, %if.then
198 !0 = metadata !{i32 -2147343483, i32 -2147343475}
199 !1 = metadata !{i32 -2147343606, i32 -2147343598}