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-27.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-27.s > vect-27.ll
6 ; ModuleID = 'vect-27.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 [129 x i32] zeroinitializer, align 16
11 @ia = common global [128 x i32] zeroinitializer, align 16
13 define i32 @main1() nounwind uwtable noinline {
17 for.cond: ; preds = %for.inc, %entry
18 %indvar6 = phi i64 [ %indvar.next7, %for.inc ], [ 0, %entry ]
19 %i.0 = trunc i64 %indvar6 to i32
20 %arrayidx = getelementptr [129 x i32]* @ib, i64 0, i64 %indvar6
21 %exitcond8 = icmp ne i64 %indvar6, 129
22 br i1 %exitcond8, 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.next7 = add i64 %indvar6, 1
32 for.end: ; preds = %for.cond
35 for.cond4: ; preds = %for.inc15, %for.end
36 %indvar2 = phi i64 [ %indvar.next3, %for.inc15 ], [ 0, %for.end ]
37 %arrayidx14 = getelementptr [128 x i32]* @ia, i64 0, i64 %indvar2
38 %tmp4 = add i64 %indvar2, 1
39 %arrayidx10 = getelementptr [129 x i32]* @ib, i64 0, i64 %tmp4
40 %exitcond = icmp ne i64 %indvar2, 128
41 br i1 %exitcond, label %for.body7, label %for.end18
43 for.body7: ; preds = %for.cond4
44 %tmp11 = load i32* %arrayidx10, align 4
45 store i32 %tmp11, i32* %arrayidx14, align 4
48 for.inc15: ; preds = %for.body7
49 %indvar.next3 = add i64 %indvar2, 1
52 for.end18: ; preds = %for.cond4
55 for.cond19: ; preds = %for.inc33, %for.end18
56 %indvar = phi i64 [ %indvar.next, %for.inc33 ], [ 0, %for.end18 ]
57 %arrayidx26 = getelementptr [128 x i32]* @ia, i64 0, i64 %indvar
58 %tmp = add i64 %indvar, 1
59 %i.2 = trunc i64 %tmp to i32
60 %arrayidx30 = getelementptr [129 x i32]* @ib, i64 0, i64 %tmp
61 %cmp21 = icmp slt i32 %i.2, 129
62 br i1 %cmp21, label %for.body22, label %for.end36
64 for.body22: ; preds = %for.cond19
65 %tmp27 = load i32* %arrayidx26, align 4
66 %tmp31 = load i32* %arrayidx30, align 4
67 %cmp32 = icmp eq i32 %tmp27, %tmp31
68 br i1 %cmp32, label %if.end, label %if.then
70 if.then: ; preds = %for.body22
71 call void @abort() noreturn nounwind
74 if.end: ; preds = %for.body22
77 for.inc33: ; preds = %if.end
78 %indvar.next = add i64 %indvar, 1
81 for.end36: ; preds = %for.cond19
85 declare void @abort() noreturn
87 define i32 @main() nounwind uwtable {
89 call void @check_vect()
90 %call = call i32 @main1()
94 define internal void @check_vect() nounwind uwtable noinline {
96 %a = alloca i32, align 4
97 %b = alloca i32, align 4
98 %c = alloca i32, align 4
99 %d = alloca i32, align 4
100 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
101 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
102 %tobool = icmp eq i32 %call1, 0
103 br i1 %tobool, label %if.then, label %lor.lhs.false
105 lor.lhs.false: ; preds = %entry
106 %tmp4 = load i32* %d, align 4
107 %and6 = and i32 %tmp4, 67108864
108 %cmp = icmp eq i32 %and6, 0
109 br i1 %cmp, label %if.then, label %if.end
111 if.then: ; preds = %entry, %lor.lhs.false
112 call void @exit(i32 0) noreturn nounwind
115 if.end: ; preds = %lor.lhs.false
116 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
120 declare void (i32)* @signal(i32, void (i32)*) nounwind
122 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
124 call void @exit(i32 0) noreturn nounwind
127 return: ; No predecessors!
131 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
133 %and = and i32 %__level, -2147483648
134 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
135 %cmp = icmp ult i32 %call, %__level
136 br i1 %cmp, label %if.then, label %if.end
138 if.then: ; preds = %entry
141 if.end: ; preds = %entry
142 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
143 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
144 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
145 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
146 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
147 store i32 %asmresult, i32* %__eax, align 4
148 store i32 %asmresult8, i32* %__ebx, align 4
149 store i32 %asmresult9, i32* %__ecx, align 4
150 store i32 %asmresult10, i32* %__edx, align 4
153 return: ; preds = %if.end, %if.then
154 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
158 declare void @exit(i32) noreturn
160 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
162 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
163 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
164 %tobool = icmp eq i32* %__sig, null
165 br i1 %tobool, label %if.end, label %if.then
167 if.then: ; preds = %entry
168 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
169 store i32 %asmresult1, i32* %__sig, align 4
172 if.end: ; preds = %entry, %if.then
176 !0 = metadata !{i32 -2147343275, i32 -2147343267}
177 !1 = metadata !{i32 -2147343398, i32 -2147343390}