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-peel-3.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-peel-3.s > vect-peel-3.ll
6 ; ModuleID = 'vect-peel-3.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 @ia = common global [138 x i32] zeroinitializer, align 16
11 @ib = common global [138 x i32] zeroinitializer, align 16
12 @ic = common global [138 x i32] zeroinitializer, align 16
14 define i32 @main1() nounwind uwtable noinline {
18 for.cond: ; preds = %for.inc, %entry
19 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
20 %sumc.0 = phi i32 [ 0, %entry ], [ %add17, %for.inc ]
21 %sumb.0 = phi i32 [ 0, %entry ], [ %add10, %for.inc ]
22 %suma.0 = phi i32 [ 0, %entry ], [ %add, %for.inc ]
23 %tmp = add i64 %indvar, 1
24 %arrayidx14 = getelementptr [138 x i32]* @ic, i64 0, i64 %tmp
25 %tmp1 = add i64 %indvar, 5
26 %arrayidx7 = getelementptr [138 x i32]* @ib, i64 0, i64 %tmp1
27 %arrayidx = getelementptr [138 x i32]* @ia, i64 0, i64 %indvar
28 %exitcond = icmp ne i64 %indvar, 129
29 br i1 %exitcond, label %for.body, label %for.end
31 for.body: ; preds = %for.cond
34 for.inc: ; preds = %for.body
35 %tmp15 = load i32* %arrayidx14, align 4
36 %tmp8 = load i32* %arrayidx7, align 4
37 %tmp2 = load i32* %arrayidx, align 4
38 %add17 = add nsw i32 %sumc.0, %tmp15
39 %add10 = add nsw i32 %sumb.0, %tmp8
40 %add = add nsw i32 %suma.0, %tmp2
41 %indvar.next = add i64 %indvar, 1
44 for.end: ; preds = %for.cond
45 %suma.0.lcssa = phi i32 [ %suma.0, %for.cond ]
46 %sumb.0.lcssa = phi i32 [ %sumb.0, %for.cond ]
47 %sumc.0.lcssa = phi i32 [ %sumc.0, %for.cond ]
48 %add21 = add nsw i32 %suma.0.lcssa, %sumb.0.lcssa
49 %add23 = add nsw i32 %add21, %sumc.0.lcssa
50 %cmp24 = icmp eq i32 %add23, 21640
51 br i1 %cmp24, label %if.end, label %if.then
53 if.then: ; preds = %for.end
54 call void @abort() noreturn nounwind
57 if.end: ; preds = %for.end
61 declare void @abort() noreturn
63 define i32 @main() nounwind uwtable {
65 call void @check_vect()
68 for.cond: ; preds = %for.inc, %entry
69 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
70 %cmp = icmp slt i32 %i.0, 138
71 br i1 %cmp, label %for.body, label %for.end
73 for.body: ; preds = %for.cond
74 %tmp = call i32 asm sideeffect "", "=r,0,~{dirflag},~{fpsr},~{flags}"(i32 %i.0) nounwind, !srcloc !0
75 %idxprom = sext i32 %tmp to i64
76 %arrayidx = getelementptr inbounds [138 x i32]* @ib, i64 0, i64 %idxprom
77 store i32 %tmp, i32* %arrayidx, align 4
78 %add = add nsw i32 %tmp, 2
79 %idxprom6 = sext i32 %tmp to i64
80 %arrayidx7 = getelementptr inbounds [138 x i32]* @ic, i64 0, i64 %idxprom6
81 store i32 %add, i32* %arrayidx7, align 4
82 %div = sdiv i32 %tmp, 2
83 %idxprom10 = sext i32 %tmp to i64
84 %arrayidx11 = getelementptr inbounds [138 x i32]* @ia, i64 0, i64 %idxprom10
85 store i32 %div, i32* %arrayidx11, align 4
88 for.inc: ; preds = %for.body
89 %inc = add nsw i32 %tmp, 1
92 for.end: ; preds = %for.cond
93 %call = call i32 @main1()
97 define internal void @check_vect() nounwind uwtable noinline {
99 %a = alloca i32, align 4
100 %b = alloca i32, align 4
101 %c = alloca i32, align 4
102 %d = alloca i32, align 4
103 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
104 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
105 %tobool = icmp eq i32 %call1, 0
106 br i1 %tobool, label %if.then, label %lor.lhs.false
108 lor.lhs.false: ; preds = %entry
109 %tmp4 = load i32* %d, align 4
110 %and6 = and i32 %tmp4, 67108864
111 %cmp = icmp eq i32 %and6, 0
112 br i1 %cmp, label %if.then, label %if.end
114 if.then: ; preds = %entry, %lor.lhs.false
115 call void @exit(i32 0) noreturn nounwind
118 if.end: ; preds = %lor.lhs.false
119 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
123 declare void (i32)* @signal(i32, void (i32)*) nounwind
125 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
127 call void @exit(i32 0) noreturn nounwind
130 return: ; No predecessors!
134 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
136 %and = and i32 %__level, -2147483648
137 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
138 %cmp = icmp ult i32 %call, %__level
139 br i1 %cmp, label %if.then, label %if.end
141 if.then: ; preds = %entry
144 if.end: ; preds = %entry
145 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !1
146 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
147 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
148 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
149 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
150 store i32 %asmresult, i32* %__eax, align 4
151 store i32 %asmresult8, i32* %__ebx, align 4
152 store i32 %asmresult9, i32* %__ecx, align 4
153 store i32 %asmresult10, i32* %__edx, align 4
156 return: ; preds = %if.end, %if.then
157 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
161 declare void @exit(i32) noreturn
163 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
165 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !2
166 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
167 %tobool = icmp eq i32* %__sig, null
168 br i1 %tobool, label %if.end, label %if.then
170 if.then: ; preds = %entry
171 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
172 store i32 %asmresult1, i32* %__sig, align 4
175 if.end: ; preds = %entry, %if.then
179 !0 = metadata !{i32 614}
180 !1 = metadata !{i32 -2147343232, i32 -2147343224}
181 !2 = metadata !{i32 -2147343355, i32 -2147343347}