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 pr18400.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer pr18400.s > pr18400.ll
6 ; ModuleID = 'pr18400.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 @b = global [8 x i32] [i32 0, i32 3, i32 6, i32 9, i32 12, i32 15, i32 18, i32 21], align 16
11 @a = common global [8 x i32] zeroinitializer, align 16
13 define i32 @main1() nounwind uwtable noinline {
17 for.cond: ; preds = %for.inc, %entry
18 %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ]
19 %arrayidx5 = getelementptr [8 x i32]* @a, i64 0, i64 %indvar1
20 %arrayidx = getelementptr [8 x i32]* @b, i64 0, i64 %indvar1
21 %exitcond = icmp ne i64 %indvar1, 8
22 br i1 %exitcond, label %for.body, label %for.end
24 for.body: ; preds = %for.cond
25 %tmp2 = load i32* %arrayidx, align 4
26 store i32 %tmp2, i32* %arrayidx5, align 4
29 for.inc: ; preds = %for.body
30 %indvar.next2 = add i64 %indvar1, 1
33 for.end: ; preds = %for.cond
36 for.cond7: ; preds = %for.inc20, %for.end
37 %indvar = phi i64 [ %indvar.next, %for.inc20 ], [ 0, %for.end ]
38 %arrayidx17 = getelementptr [8 x i32]* @b, i64 0, i64 %indvar
39 %arrayidx13 = getelementptr [8 x i32]* @a, i64 0, i64 %indvar
40 %i.1 = trunc i64 %indvar to i32
41 %cmp9 = icmp slt i32 %i.1, 8
42 br i1 %cmp9, label %for.body10, label %for.end23
44 for.body10: ; preds = %for.cond7
45 %tmp14 = load i32* %arrayidx13, align 4
46 %tmp18 = load i32* %arrayidx17, align 4
47 %cmp19 = icmp eq i32 %tmp14, %tmp18
48 br i1 %cmp19, label %if.end, label %if.then
50 if.then: ; preds = %for.body10
51 call void @abort() noreturn nounwind
54 if.end: ; preds = %for.body10
57 for.inc20: ; preds = %if.end
58 %indvar.next = add i64 %indvar, 1
61 for.end23: ; preds = %for.cond7
65 declare void @abort() noreturn
67 define i32 @main() nounwind uwtable {
69 call void @check_vect()
70 %call = call i32 @main1()
74 define internal void @check_vect() nounwind uwtable noinline {
76 %a = alloca i32, align 4
77 %b = alloca i32, align 4
78 %c = alloca i32, align 4
79 %d = alloca i32, align 4
80 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
81 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
82 %tobool = icmp eq i32 %call1, 0
83 br i1 %tobool, label %if.then, label %lor.lhs.false
85 lor.lhs.false: ; preds = %entry
86 %tmp4 = load i32* %d, align 4
87 %and6 = and i32 %tmp4, 67108864
88 %cmp = icmp eq i32 %and6, 0
89 br i1 %cmp, label %if.then, label %if.end
91 if.then: ; preds = %entry, %lor.lhs.false
92 call void @exit(i32 0) noreturn nounwind
95 if.end: ; preds = %lor.lhs.false
96 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
100 declare void (i32)* @signal(i32, void (i32)*) nounwind
102 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
104 call void @exit(i32 0) noreturn nounwind
107 return: ; No predecessors!
111 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
113 %and = and i32 %__level, -2147483648
114 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
115 %cmp = icmp ult i32 %call, %__level
116 br i1 %cmp, label %if.then, label %if.end
118 if.then: ; preds = %entry
121 if.end: ; preds = %entry
122 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
123 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
124 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
125 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
126 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
127 store i32 %asmresult, i32* %__eax, align 4
128 store i32 %asmresult8, i32* %__ebx, align 4
129 store i32 %asmresult9, i32* %__ecx, align 4
130 store i32 %asmresult10, i32* %__edx, align 4
133 return: ; preds = %if.end, %if.then
134 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
138 declare void @exit(i32) noreturn
140 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
142 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
143 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
144 %tobool = icmp eq i32* %__sig, null
145 br i1 %tobool, label %if.end, label %if.then
147 if.then: ; preds = %entry
148 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
149 store i32 %asmresult1, i32* %__sig, align 4
152 if.end: ; preds = %entry, %if.then
156 !0 = metadata !{i32 -2147343755, i32 -2147343747}
157 !1 = metadata !{i32 -2147343878, i32 -2147343870}