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 no-scevccp-outer-6.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer no-scevccp-outer-6.s > no-scevccp-outer-6.ll
6 ; ModuleID = 'no-scevccp-outer-6.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 @foo(i32* noalias %b, i32 %k) nounwind uwtable noinline {
12 %a = alloca [40 x i32], align 16
15 for.cond: ; preds = %for.inc15, %entry
16 %indvar = phi i64 [ %indvar.next, %for.inc15 ], [ 0, %entry ]
17 %arrayidx14 = getelementptr [40 x i32]* %a, i64 0, i64 %indvar
18 %arrayidx = getelementptr i32* %b, i64 %indvar
19 %exitcond1 = icmp ne i64 %indvar, 40
20 br i1 %exitcond1, label %for.body, label %for.end18
22 for.body: ; preds = %for.cond
23 %tmp3 = load i32* %arrayidx, align 4
26 for.cond4: ; preds = %for.inc, %for.body
27 %tmp4 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
28 %exitcond = icmp ne i32 %tmp4, 40
29 br i1 %exitcond, label %for.body7, label %for.end
31 for.body7: ; preds = %for.cond4
34 for.inc: ; preds = %for.body7
35 %inc = add nsw i32 %tmp4, 1
38 for.end: ; preds = %for.cond4
39 %tmp = add i32 %tmp3, 780
40 store i32 %tmp, i32* %arrayidx14, align 4
43 for.inc15: ; preds = %for.end
44 %indvar.next = add i64 %indvar, 1
47 for.end18: ; preds = %for.cond
48 %idxprom20 = sext i32 %k to i64
49 %arrayidx21 = getelementptr inbounds [40 x i32]* %a, i64 0, i64 %idxprom20
50 %tmp22 = load i32* %arrayidx21, align 4
54 define i32 @main() nounwind uwtable {
56 %b = alloca [40 x i32], align 16
57 %a = alloca [40 x i32], align 16
58 call void @check_vect()
61 for.cond: ; preds = %for.inc, %entry
62 %indvar6 = phi i64 [ %indvar.next7, %for.inc ], [ 0, %entry ]
63 %arrayidx = getelementptr [40 x i32]* %b, i64 0, i64 %indvar6
64 %tmp9 = add i64 %indvar6, 2
65 %add = trunc i64 %tmp9 to i32
66 %exitcond8 = icmp ne i64 %indvar6, 40
67 br i1 %exitcond8, label %for.body, label %for.end
69 for.body: ; preds = %for.cond
70 store i32 %add, i32* %arrayidx, align 4
73 for.inc: ; preds = %for.body
74 %indvar.next7 = add i64 %indvar6, 1
77 for.end: ; preds = %for.cond
80 for.cond4: ; preds = %for.inc12, %for.end
81 %indvar2 = phi i64 [ %indvar.next3, %for.inc12 ], [ 0, %for.end ]
82 %arrayidx11 = getelementptr [40 x i32]* %a, i64 0, i64 %indvar2
83 %i.1 = trunc i64 %indvar2 to i32
84 %exitcond4 = icmp ne i64 %indvar2, 40
85 br i1 %exitcond4, label %for.body7, label %for.end15
87 for.body7: ; preds = %for.cond4
88 %arraydecay = getelementptr inbounds [40 x i32]* %b, i64 0, i64 0
89 %call = call i32 @foo(i32* %arraydecay, i32 %i.1)
90 store i32 %call, i32* %arrayidx11, align 4
93 for.inc12: ; preds = %for.body7
94 %indvar.next3 = add i64 %indvar2, 1
97 for.end15: ; preds = %for.cond4
100 for.cond16: ; preds = %for.inc41, %for.end15
101 %indvar = phi i64 [ %indvar.next, %for.inc41 ], [ 0, %for.end15 ]
102 %arrayidx37 = getelementptr [40 x i32]* %a, i64 0, i64 %indvar
103 %arrayidx22 = getelementptr [40 x i32]* %b, i64 0, i64 %indvar
104 %i.2 = trunc i64 %indvar to i32
105 %cmp18 = icmp slt i32 %i.2, 40
106 br i1 %cmp18, label %for.body19, label %for.end44
108 for.body19: ; preds = %for.cond16
109 %tmp23 = load i32* %arrayidx22, align 4
112 for.cond24: ; preds = %for.inc31, %for.body19
113 %tmp12 = phi i32 [ 0, %for.body19 ], [ %inc33, %for.inc31 ]
114 %exitcond = icmp ne i32 %tmp12, 40
115 br i1 %exitcond, label %for.body27, label %for.end34
117 for.body27: ; preds = %for.cond24
120 for.inc31: ; preds = %for.body27
121 %inc33 = add nsw i32 %tmp12, 1
124 for.end34: ; preds = %for.cond24
125 %tmp = add i32 %tmp23, 780
126 %tmp38 = load i32* %arrayidx37, align 4
127 %cmp40 = icmp eq i32 %tmp38, %tmp
128 br i1 %cmp40, label %if.end, label %if.then
130 if.then: ; preds = %for.end34
131 call void @abort() noreturn nounwind
134 if.end: ; preds = %for.end34
137 for.inc41: ; preds = %if.end
138 %indvar.next = add i64 %indvar, 1
141 for.end44: ; preds = %for.cond16
145 define internal void @check_vect() nounwind uwtable noinline {
147 %a = alloca i32, align 4
148 %b = alloca i32, align 4
149 %c = alloca i32, align 4
150 %d = alloca i32, align 4
151 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
152 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
153 %tobool = icmp eq i32 %call1, 0
154 br i1 %tobool, label %if.then, label %lor.lhs.false
156 lor.lhs.false: ; preds = %entry
157 %tmp4 = load i32* %d, align 4
158 %and6 = and i32 %tmp4, 67108864
159 %cmp = icmp eq i32 %and6, 0
160 br i1 %cmp, label %if.then, label %if.end
162 if.then: ; preds = %entry, %lor.lhs.false
163 call void @exit(i32 0) noreturn nounwind
166 if.end: ; preds = %lor.lhs.false
167 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
171 declare void @abort() noreturn
173 declare void (i32)* @signal(i32, void (i32)*) nounwind
175 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
177 call void @exit(i32 0) noreturn nounwind
180 return: ; No predecessors!
184 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
186 %and = and i32 %__level, -2147483648
187 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
188 %cmp = icmp ult i32 %call, %__level
189 br i1 %cmp, label %if.then, label %if.end
191 if.then: ; preds = %entry
194 if.end: ; preds = %entry
195 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
196 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
197 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
198 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
199 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
200 store i32 %asmresult, i32* %__eax, align 4
201 store i32 %asmresult8, i32* %__ebx, align 4
202 store i32 %asmresult9, i32* %__ecx, align 4
203 store i32 %asmresult10, i32* %__edx, align 4
206 return: ; preds = %if.end, %if.then
207 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
211 declare void @exit(i32) noreturn
213 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
215 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
216 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
217 %tobool = icmp eq i32* %__sig, null
218 br i1 %tobool, label %if.end, label %if.then
220 if.then: ; preds = %entry
221 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
222 store i32 %asmresult1, i32* %__sig, align 4
225 if.end: ; preds = %entry, %if.then
229 !0 = metadata !{i32 -2147343332, i32 -2147343324}
230 !1 = metadata !{i32 -2147343455, i32 -2147343447}