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-29.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-29.s > vect-29.ll
6 ; ModuleID = 'vect-29.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 @ib = common global [131 x i32] zeroinitializer, align 16
11 @ia = common global [128 x i32] zeroinitializer, align 16
13 define i32 @main1(i32 %off) nounwind uwtable noinline {
17 for.cond: ; preds = %for.inc, %entry
18 %indvar10 = phi i64 [ %indvar.next11, %for.inc ], [ 0, %entry ]
19 %arrayidx = getelementptr [131 x i32]* @ib, i64 0, i64 %indvar10
20 %i.0 = trunc i64 %indvar10 to i32
21 %exitcond12 = icmp ne i64 %indvar10, 131
22 br i1 %exitcond12, label %for.body, label %for.end
24 for.body: ; preds = %for.cond
25 store i32 %i.0, i32* %arrayidx, align 4
28 for.inc: ; preds = %for.body
29 %indvar.next11 = add i64 %indvar10, 1
32 for.end: ; preds = %for.cond
33 %tmp6 = zext i32 %off to i64
36 for.cond4: ; preds = %for.inc16, %for.end
37 %indvar4 = phi i64 [ %indvar.next5, %for.inc16 ], [ 0, %for.end ]
38 %arrayidx15 = getelementptr [128 x i32]* @ia, i64 0, i64 %indvar4
39 %tmp7 = add i64 %tmp6, %indvar4
40 %add = trunc i64 %tmp7 to i32
41 %exitcond = icmp ne i64 %indvar4, 128
42 br i1 %exitcond, label %for.body7, label %for.end19
44 for.body7: ; preds = %for.cond4
45 %idxprom10 = sext i32 %add to i64
46 %arrayidx11 = getelementptr inbounds [131 x i32]* @ib, i64 0, i64 %idxprom10
47 %tmp12 = load i32* %arrayidx11, align 4
48 store i32 %tmp12, i32* %arrayidx15, align 4
51 for.inc16: ; preds = %for.body7
52 %indvar.next5 = add i64 %indvar4, 1
55 for.end19: ; preds = %for.cond4
56 %tmp = zext i32 %off to i64
59 for.cond20: ; preds = %for.inc35, %for.end19
60 %indvar = phi i64 [ %indvar.next, %for.inc35 ], [ 0, %for.end19 ]
61 %tmp1 = add i64 %tmp, %indvar
62 %add30 = trunc i64 %tmp1 to i32
63 %arrayidx26 = getelementptr [128 x i32]* @ia, i64 0, i64 %indvar
64 %i.2 = trunc i64 %indvar to i32
65 %cmp22 = icmp slt i32 %i.2, 128
66 br i1 %cmp22, label %for.body23, label %for.end38
68 for.body23: ; preds = %for.cond20
69 %tmp27 = load i32* %arrayidx26, align 4
70 %idxprom31 = sext i32 %add30 to i64
71 %arrayidx32 = getelementptr inbounds [131 x i32]* @ib, i64 0, i64 %idxprom31
72 %tmp33 = load i32* %arrayidx32, align 4
73 %cmp34 = icmp eq i32 %tmp27, %tmp33
74 br i1 %cmp34, label %if.end, label %if.then
76 if.then: ; preds = %for.body23
77 call void @abort() noreturn nounwind
80 if.end: ; preds = %for.body23
83 for.inc35: ; preds = %if.end
84 %indvar.next = add i64 %indvar, 1
87 for.end38: ; preds = %for.cond20
91 declare void @abort() noreturn
93 define i32 @main() nounwind uwtable {
95 call void @check_vect()
96 %call = call i32 @main1(i32 0)
97 %call1 = call i32 @main1(i32 3)
101 define internal void @check_vect() nounwind uwtable noinline {
103 %a = alloca i32, align 4
104 %b = alloca i32, align 4
105 %c = alloca i32, align 4
106 %d = alloca i32, align 4
107 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
108 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
109 %tobool = icmp eq i32 %call1, 0
110 br i1 %tobool, label %if.then, label %lor.lhs.false
112 lor.lhs.false: ; preds = %entry
113 %tmp4 = load i32* %d, align 4
114 %and6 = and i32 %tmp4, 67108864
115 %cmp = icmp eq i32 %and6, 0
116 br i1 %cmp, label %if.then, label %if.end
118 if.then: ; preds = %entry, %lor.lhs.false
119 call void @exit(i32 0) noreturn nounwind
122 if.end: ; preds = %lor.lhs.false
123 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
127 declare void (i32)* @signal(i32, void (i32)*) nounwind
129 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
131 call void @exit(i32 0) noreturn nounwind
134 return: ; No predecessors!
138 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
140 %and = and i32 %__level, -2147483648
141 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
142 %cmp = icmp ult i32 %call, %__level
143 br i1 %cmp, label %if.then, label %if.end
145 if.then: ; preds = %entry
148 if.end: ; preds = %entry
149 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
150 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
151 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
152 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
153 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
154 store i32 %asmresult, i32* %__eax, align 4
155 store i32 %asmresult8, i32* %__ebx, align 4
156 store i32 %asmresult9, i32* %__ecx, align 4
157 store i32 %asmresult10, i32* %__edx, align 4
160 return: ; preds = %if.end, %if.then
161 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
165 declare void @exit(i32) noreturn
167 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
169 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
170 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
171 %tobool = icmp eq i32* %__sig, null
172 br i1 %tobool, label %if.end, label %if.then
174 if.then: ; preds = %entry
175 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
176 store i32 %asmresult1, i32* %__sig, align 4
179 if.end: ; preds = %entry, %if.then
183 !0 = metadata !{i32 -2147343085, i32 -2147343077}
184 !1 = metadata !{i32 -2147343208, i32 -2147343200}