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-1.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-peel-1.s > vect-peel-1.ll
6 ; ModuleID = 'vect-peel-1.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 [135 x i32] zeroinitializer, align 16
12 define i32 @main1() nounwind uwtable noinline {
14 %ia = alloca [129 x i32], align 16
17 for.cond: ; preds = %for.inc, %entry
18 %indvar5 = phi i64 [ %indvar.next6, %for.inc ], [ 0, %entry ]
19 %tmp8 = add i64 %indvar5, 1
20 %arrayidx11 = getelementptr [129 x i32]* %ia, i64 0, i64 %tmp8
21 %tmp10 = add i64 %indvar5, 7
22 %arrayidx6 = getelementptr [135 x i32]* @ib, i64 0, i64 %tmp10
23 %tmp11 = add i64 %indvar5, 3
24 %arrayidx = getelementptr [135 x i32]* @ib, i64 0, i64 %tmp11
25 %exitcond = icmp ne i64 %indvar5, 128
26 br i1 %exitcond, label %for.body, label %for.end
28 for.body: ; preds = %for.cond
29 %tmp2 = load i32* %arrayidx, align 4
30 %tmp7 = load i32* %arrayidx6, align 4
31 %add8 = add nsw i32 %tmp2, %tmp7
32 store i32 %add8, i32* %arrayidx11, align 4
35 for.inc: ; preds = %for.body
36 %indvar.next6 = add i64 %indvar5, 1
39 for.end: ; preds = %for.cond
42 for.cond13: ; preds = %for.inc33, %for.end
43 %indvar = phi i64 [ %indvar.next, %for.inc33 ], [ 0, %for.end ]
44 %tmp = add i64 %indvar, 1
45 %i.1 = trunc i64 %tmp to i32
46 %tmp3 = add i64 %indvar, 7
47 %arrayidx29 = getelementptr [135 x i32]* @ib, i64 0, i64 %tmp3
48 %tmp4 = add i64 %indvar, 3
49 %arrayidx24 = getelementptr [135 x i32]* @ib, i64 0, i64 %tmp4
50 %arrayidx19 = getelementptr [129 x i32]* %ia, i64 0, i64 %tmp
51 %cmp15 = icmp slt i32 %i.1, 129
52 br i1 %cmp15, label %for.body16, label %for.end36
54 for.body16: ; preds = %for.cond13
55 %tmp20 = load i32* %arrayidx19, align 4
56 %tmp25 = load i32* %arrayidx24, align 4
57 %tmp30 = load i32* %arrayidx29, align 4
58 %add31 = add nsw i32 %tmp25, %tmp30
59 %cmp32 = icmp eq i32 %tmp20, %add31
60 br i1 %cmp32, label %if.end, label %if.then
62 if.then: ; preds = %for.body16
63 call void @abort() noreturn nounwind
66 if.end: ; preds = %for.body16
69 for.inc33: ; preds = %if.end
70 %indvar.next = add i64 %indvar, 1
73 for.end36: ; preds = %for.cond13
77 declare void @abort() noreturn
79 define i32 @main() nounwind uwtable {
81 call void @check_vect()
84 for.cond: ; preds = %for.inc, %entry
85 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
86 %cmp = icmp slt i32 %i.0, 135
87 br i1 %cmp, label %for.body, label %for.end
89 for.body: ; preds = %for.cond
90 %tmp = call i32 asm sideeffect "", "=r,0,~{dirflag},~{fpsr},~{flags}"(i32 %i.0) nounwind, !srcloc !0
91 %idxprom = sext i32 %tmp to i64
92 %arrayidx = getelementptr inbounds [135 x i32]* @ib, i64 0, i64 %idxprom
93 store i32 %tmp, i32* %arrayidx, align 4
96 for.inc: ; preds = %for.body
97 %inc = add nsw i32 %tmp, 1
100 for.end: ; preds = %for.cond
101 %call = call i32 @main1()
105 define internal void @check_vect() nounwind uwtable noinline {
107 %a = alloca i32, align 4
108 %b = alloca i32, align 4
109 %c = alloca i32, align 4
110 %d = alloca i32, align 4
111 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
112 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
113 %tobool = icmp eq i32 %call1, 0
114 br i1 %tobool, label %if.then, label %lor.lhs.false
116 lor.lhs.false: ; preds = %entry
117 %tmp4 = load i32* %d, align 4
118 %and6 = and i32 %tmp4, 67108864
119 %cmp = icmp eq i32 %and6, 0
120 br i1 %cmp, label %if.then, label %if.end
122 if.then: ; preds = %entry, %lor.lhs.false
123 call void @exit(i32 0) noreturn nounwind
126 if.end: ; preds = %lor.lhs.false
127 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
131 declare void (i32)* @signal(i32, void (i32)*) nounwind
133 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
135 call void @exit(i32 0) noreturn nounwind
138 return: ; No predecessors!
142 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
144 %and = and i32 %__level, -2147483648
145 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
146 %cmp = icmp ult i32 %call, %__level
147 br i1 %cmp, label %if.then, label %if.end
149 if.then: ; preds = %entry
152 if.end: ; preds = %entry
153 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !1
154 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
155 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
156 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
157 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
158 store i32 %asmresult, i32* %__eax, align 4
159 store i32 %asmresult8, i32* %__ebx, align 4
160 store i32 %asmresult9, i32* %__ecx, align 4
161 store i32 %asmresult10, i32* %__edx, align 4
164 return: ; preds = %if.end, %if.then
165 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
169 declare void @exit(i32) noreturn
171 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
173 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !2
174 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
175 %tobool = icmp eq i32* %__sig, null
176 br i1 %tobool, label %if.end, label %if.then
178 if.then: ; preds = %entry
179 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
180 store i32 %asmresult1, i32* %__sig, align 4
183 if.end: ; preds = %entry, %if.then
187 !0 = metadata !{i32 782}
188 !1 = metadata !{i32 -2147343145, i32 -2147343137}
189 !2 = metadata !{i32 -2147343268, i32 -2147343260}