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 O3-slp-reduc-10.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer O3-slp-reduc-10.s > O3-slp-reduc-10.ll
6 ; ModuleID = 'O3-slp-reduc-10.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 @fun2(i32* %x, i32* %y, i32 %n) nounwind uwtable noinline {
14 for.cond: ; preds = %for.inc13, %entry
15 %indvar2 = phi i64 [ %indvar.next3, %for.inc13 ], [ 0, %entry ]
16 %dot.0 = phi i32 [ 14, %entry ], [ %dot.1.lcssa, %for.inc13 ]
17 %tmp8 = mul i64 %indvar2, 2
18 %i.0 = trunc i64 %indvar2 to i32
20 %cmp = icmp ult i32 %i.0, %div
21 br i1 %cmp, label %for.body, label %for.end16
23 for.body: ; preds = %for.cond
26 for.cond2: ; preds = %for.inc, %for.body
27 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %for.body ]
28 %dot.1 = phi i32 [ %dot.0, %for.body ], [ %add, %for.inc ]
29 %tmp9 = add i64 %tmp8, %indvar
30 %x.addr.1 = getelementptr i32* %x, i64 %tmp9
31 %y.addr.1 = getelementptr i32* %y, i64 %tmp9
32 %exitcond = icmp ne i64 %indvar, 2
33 br i1 %exitcond, label %for.body5, label %for.end
35 for.body5: ; preds = %for.cond2
38 for.inc: ; preds = %for.body5
39 %tmp10 = load i32* %y.addr.1, align 4
40 %tmp7 = load i32* %x.addr.1, align 4
41 %mul = mul nsw i32 %tmp7, %tmp10
42 %add = add nsw i32 %dot.1, %mul
43 %indvar.next = add i64 %indvar, 1
46 for.end: ; preds = %for.cond2
47 %dot.1.lcssa = phi i32 [ %dot.1, %for.cond2 ]
50 for.inc13: ; preds = %for.end
51 %indvar.next3 = add i64 %indvar2, 1
54 for.end16: ; preds = %for.cond
55 %dot.0.lcssa = phi i32 [ %dot.0, %for.cond ]
59 define i32 @main() nounwind uwtable {
61 %a = alloca [128 x i32], align 16
62 %b = alloca [128 x i32], align 16
63 call void @check_vect()
66 for.cond: ; preds = %for.inc, %entry
67 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
68 %arrayidx6 = getelementptr [128 x i32]* %b, i64 0, i64 %indvar
69 %tmp = add i64 %indvar, 8
70 %add = trunc i64 %tmp to i32
71 %arrayidx = getelementptr [128 x i32]* %a, i64 0, i64 %indvar
72 %i.0 = trunc i64 %indvar to i32
73 %exitcond = icmp ne i64 %indvar, 128
74 br i1 %exitcond, label %for.body, label %for.end
76 for.body: ; preds = %for.cond
77 store i32 %i.0, i32* %arrayidx, align 4
78 store i32 %add, i32* %arrayidx6, align 4
81 for.inc: ; preds = %for.body
82 %indvar.next = add i64 %indvar, 1
85 for.end: ; preds = %for.cond
86 %arraydecay = getelementptr inbounds [128 x i32]* %a, i64 0, i64 0
87 %arraydecay8 = getelementptr inbounds [128 x i32]* %b, i64 0, i64 0
88 %call = call i32 @fun2(i32* %arraydecay, i32* %arraydecay8, i32 128)
89 %cmp10 = icmp eq i32 %call, 755918
90 br i1 %cmp10, label %if.end, label %if.then
92 if.then: ; preds = %for.end
93 call void @abort() noreturn nounwind
96 if.end: ; preds = %for.end
100 define internal void @check_vect() nounwind uwtable noinline {
102 %a = alloca i32, align 4
103 %b = alloca i32, align 4
104 %c = alloca i32, align 4
105 %d = alloca i32, align 4
106 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
107 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
108 %tobool = icmp eq i32 %call1, 0
109 br i1 %tobool, label %if.then, label %lor.lhs.false
111 lor.lhs.false: ; preds = %entry
112 %tmp4 = load i32* %d, align 4
113 %and6 = and i32 %tmp4, 67108864
114 %cmp = icmp eq i32 %and6, 0
115 br i1 %cmp, label %if.then, label %if.end
117 if.then: ; preds = %entry, %lor.lhs.false
118 call void @exit(i32 0) noreturn nounwind
121 if.end: ; preds = %lor.lhs.false
122 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
126 declare void @abort() noreturn
128 declare void (i32)* @signal(i32, void (i32)*) nounwind
130 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
132 call void @exit(i32 0) noreturn nounwind
135 return: ; No predecessors!
139 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
141 %and = and i32 %__level, -2147483648
142 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
143 %cmp = icmp ult i32 %call, %__level
144 br i1 %cmp, label %if.then, label %if.end
146 if.then: ; preds = %entry
149 if.end: ; preds = %entry
150 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
151 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
152 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
153 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
154 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
155 store i32 %asmresult, i32* %__eax, align 4
156 store i32 %asmresult8, i32* %__ebx, align 4
157 store i32 %asmresult9, i32* %__ecx, align 4
158 store i32 %asmresult10, i32* %__edx, align 4
161 return: ; preds = %if.end, %if.then
162 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
166 declare void @exit(i32) noreturn
168 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
170 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
171 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
172 %tobool = icmp eq i32* %__sig, null
173 br i1 %tobool, label %if.end, label %if.then
175 if.then: ; preds = %entry
176 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
177 store i32 %asmresult1, i32* %__sig, align 4
180 if.end: ; preds = %entry, %if.then
184 !0 = metadata !{i32 -2147343576, i32 -2147343568}
185 !1 = metadata !{i32 -2147343699, i32 -2147343691}