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-iv-10.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-iv-10.s > vect-iv-10.ll
6 ; ModuleID = 'vect-iv-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 @main1() nounwind uwtable noinline {
12 %ia = alloca [16 x i32], align 16
15 for.cond: ; preds = %for.inc, %entry
16 %indvar3 = phi i64 [ %indvar.next4, %for.inc ], [ 0, %entry ]
17 %arrayidx = getelementptr [16 x i32]* %ia, i64 0, i64 %indvar3
18 %tmp5 = mul i64 %indvar3, -1
19 %tmp6 = add i64 %tmp5, 16
20 %i.0 = trunc i64 %tmp6 to i32
21 %exitcond = icmp ne i64 %indvar3, 16
22 br i1 %exitcond, 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.next4 = add i64 %indvar3, 1
32 for.end: ; preds = %for.cond
35 for.cond8: ; preds = %for.inc23, %for.end
36 %indvar = phi i64 [ %indvar.next, %for.inc23 ], [ 0, %for.end ]
37 %arrayidx18 = getelementptr [16 x i32]* %ia, i64 0, i64 %indvar
38 %tmp = mul i64 %indvar, -1
39 %tmp1 = add i64 %tmp, 16
40 %i.1 = trunc i64 %tmp1 to i32
41 %cmp13 = icmp sgt i32 %i.1, 0
42 br i1 %cmp13, label %for.body15, label %for.end28
44 for.body15: ; preds = %for.cond8
45 %tmp19 = load i32* %arrayidx18, align 4
46 %cmp21 = icmp eq i32 %tmp19, %i.1
47 br i1 %cmp21, label %if.end, label %if.then
49 if.then: ; preds = %for.body15
50 call void @abort() noreturn nounwind
53 if.end: ; preds = %for.body15
56 for.inc23: ; preds = %if.end
57 %indvar.next = add i64 %indvar, 1
60 for.end28: ; preds = %for.cond8
64 declare void @abort() noreturn
66 define i32 @main() nounwind uwtable {
68 call void @check_vect()
69 %call = call i32 @main1()
73 define internal void @check_vect() nounwind uwtable noinline {
75 %a = alloca i32, align 4
76 %b = alloca i32, align 4
77 %c = alloca i32, align 4
78 %d = alloca i32, align 4
79 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
80 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
81 %tobool = icmp eq i32 %call1, 0
82 br i1 %tobool, label %if.then, label %lor.lhs.false
84 lor.lhs.false: ; preds = %entry
85 %tmp4 = load i32* %d, align 4
86 %and6 = and i32 %tmp4, 67108864
87 %cmp = icmp eq i32 %and6, 0
88 br i1 %cmp, label %if.then, label %if.end
90 if.then: ; preds = %entry, %lor.lhs.false
91 call void @exit(i32 0) noreturn nounwind
94 if.end: ; preds = %lor.lhs.false
95 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
99 declare void (i32)* @signal(i32, void (i32)*) nounwind
101 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
103 call void @exit(i32 0) noreturn nounwind
106 return: ; No predecessors!
110 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
112 %and = and i32 %__level, -2147483648
113 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
114 %cmp = icmp ult i32 %call, %__level
115 br i1 %cmp, label %if.then, label %if.end
117 if.then: ; preds = %entry
120 if.end: ; preds = %entry
121 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
122 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
123 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
124 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
125 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
126 store i32 %asmresult, i32* %__eax, align 4
127 store i32 %asmresult8, i32* %__ebx, align 4
128 store i32 %asmresult9, i32* %__ecx, align 4
129 store i32 %asmresult10, i32* %__edx, align 4
132 return: ; preds = %if.end, %if.then
133 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
137 declare void @exit(i32) noreturn
139 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
141 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
142 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
143 %tobool = icmp eq i32* %__sig, null
144 br i1 %tobool, label %if.end, label %if.then
146 if.then: ; preds = %entry
147 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
148 store i32 %asmresult1, i32* %__sig, align 4
151 if.end: ; preds = %entry, %if.then
155 !0 = metadata !{i32 -2147343765, i32 -2147343757}
156 !1 = metadata !{i32 -2147343888, i32 -2147343880}