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-75.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-75.s > vect-75.ll
6 ; ModuleID = 'vect-75.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 = global [16 x i32] [i32 0, i32 1, i32 3, i32 5, i32 7, i32 11, i32 13, i32 17, i32 0, i32 2, i32 6, i32 10, i32 14, i32 22, i32 26, i32 34], align 16
12 define i32 @main1(i32* %ib) nounwind uwtable noinline {
14 %ia = alloca [8 x i32], align 16
17 for.cond: ; preds = %for.inc, %entry
18 %indvar2 = phi i64 [ %indvar.next3, %for.inc ], [ 0, %entry ]
19 %arrayidx6 = getelementptr [8 x i32]* %ia, i64 0, i64 %indvar2
20 %tmp4 = add i64 %indvar2, 8
21 %arrayidx = getelementptr i32* %ib, i64 %tmp4
22 %exitcond = icmp ne i64 %indvar2, 8
23 br i1 %exitcond, label %for.body, label %for.end
25 for.body: ; preds = %for.cond
26 %tmp3 = load i32* %arrayidx, align 4
27 store i32 %tmp3, i32* %arrayidx6, align 4
30 for.inc: ; preds = %for.body
31 %indvar.next3 = add i64 %indvar2, 1
34 for.end: ; preds = %for.cond
37 for.cond8: ; preds = %for.inc23, %for.end
38 %indvar = phi i64 [ %indvar.next, %for.inc23 ], [ 0, %for.end ]
39 %tmp = add i64 %indvar, 8
40 %arrayidx20 = getelementptr i32* %ib, i64 %tmp
41 %arrayidx14 = getelementptr [8 x i32]* %ia, i64 0, i64 %indvar
42 %i.1 = trunc i64 %indvar to i32
43 %cmp10 = icmp slt i32 %i.1, 8
44 br i1 %cmp10, label %for.body11, label %for.end26
46 for.body11: ; preds = %for.cond8
47 %tmp15 = load i32* %arrayidx14, align 4
48 %tmp21 = load i32* %arrayidx20, align 4
49 %cmp22 = icmp eq i32 %tmp15, %tmp21
50 br i1 %cmp22, label %if.end, label %if.then
52 if.then: ; preds = %for.body11
53 call void @abort() noreturn nounwind
56 if.end: ; preds = %for.body11
59 for.inc23: ; preds = %if.end
60 %indvar.next = add i64 %indvar, 1
63 for.end26: ; preds = %for.cond8
67 declare void @abort() noreturn
69 define i32 @main() nounwind uwtable {
71 call void @check_vect()
72 %call = call i32 @main1(i32* getelementptr inbounds ([16 x i32]* @ib, i64 0, i64 0))
76 define internal void @check_vect() nounwind uwtable noinline {
78 %a = alloca i32, align 4
79 %b = alloca i32, align 4
80 %c = alloca i32, align 4
81 %d = alloca i32, align 4
82 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
83 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
84 %tobool = icmp eq i32 %call1, 0
85 br i1 %tobool, label %if.then, label %lor.lhs.false
87 lor.lhs.false: ; preds = %entry
88 %tmp4 = load i32* %d, align 4
89 %and6 = and i32 %tmp4, 67108864
90 %cmp = icmp eq i32 %and6, 0
91 br i1 %cmp, label %if.then, label %if.end
93 if.then: ; preds = %entry, %lor.lhs.false
94 call void @exit(i32 0) noreturn nounwind
97 if.end: ; preds = %lor.lhs.false
98 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
102 declare void (i32)* @signal(i32, void (i32)*) nounwind
104 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
106 call void @exit(i32 0) noreturn nounwind
109 return: ; No predecessors!
113 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
115 %and = and i32 %__level, -2147483648
116 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
117 %cmp = icmp ult i32 %call, %__level
118 br i1 %cmp, label %if.then, label %if.end
120 if.then: ; preds = %entry
123 if.end: ; preds = %entry
124 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
125 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
126 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
127 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
128 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
129 store i32 %asmresult, i32* %__eax, align 4
130 store i32 %asmresult8, i32* %__ebx, align 4
131 store i32 %asmresult9, i32* %__ecx, align 4
132 store i32 %asmresult10, i32* %__edx, align 4
135 return: ; preds = %if.end, %if.then
136 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
140 declare void @exit(i32) noreturn
142 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
144 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
145 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
146 %tobool = icmp eq i32* %__sig, null
147 br i1 %tobool, label %if.end, label %if.then
149 if.then: ; preds = %entry
150 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
151 store i32 %asmresult1, i32* %__sig, align 4
154 if.end: ; preds = %entry, %if.then
158 !0 = metadata !{i32 -2147343211, i32 -2147343203}
159 !1 = metadata !{i32 -2147343334, i32 -2147343326}