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-52.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-52.s > vect-52.ll
6 ; ModuleID = 'vect-52.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 @main.b = internal unnamed_addr constant [257 x float] [float 0.000000e+00, float 3.000000e+00, float 6.000000e+00, float 9.000000e+00, float 1.200000e+01, float 1.500000e+01, float 1.800000e+01, float 2.100000e+01, float 2.400000e+01, float 2.700000e+01, float 3.000000e+01, float 3.300000e+01, float 3.600000e+01, float 3.900000e+01, float 4.200000e+01, float 4.500000e+01, float 4.800000e+01, float 5.100000e+01, float 5.400000e+01, float 5.700000e+01, float 6.000000e+01, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00], align 16
11 @main.c = internal unnamed_addr constant [257 x float] [float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+00, float 5.000000e+00, float 6.000000e+00, float 7.000000e+00, float 8.000000e+00, float 9.000000e+00, float 1.000000e+01, float 1.100000e+01, float 1.200000e+01, float 1.300000e+01, float 1.400000e+01, float 1.500000e+01, float 1.600000e+01, float 1.700000e+01, float 1.800000e+01, float 1.900000e+01, float 2.000000e+01, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00], align 16
13 define i32 @main1(i32 %n, float* %pb, float* %pc) nounwind uwtable noinline {
15 %pa = alloca [256 x float], align 16
16 %tmp = icmp sgt i32 %n, 0
17 %smax = select i1 %tmp, i32 %n, i32 0
18 %tmp3 = zext i32 %smax to i64
21 for.cond: ; preds = %for.inc, %entry
22 %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ]
23 %arrayidx12 = getelementptr [256 x float]* %pa, i64 0, i64 %indvar1
24 %arrayidx8 = getelementptr float* %pc, i64 %indvar1
25 %arrayidx = getelementptr float* %pb, i64 %indvar1
26 %exitcond = icmp ne i64 %indvar1, %tmp3
27 br i1 %exitcond, label %for.body, label %for.end
29 for.body: ; preds = %for.cond
30 %tmp4 = load float* %arrayidx, align 4
31 %tmp9 = load float* %arrayidx8, align 4
32 %mul = fmul float %tmp4, %tmp9
33 store float %mul, float* %arrayidx12, align 4
36 for.inc: ; preds = %for.body
37 %indvar.next2 = add i64 %indvar1, 1
40 for.end: ; preds = %for.cond
43 for.cond14: ; preds = %for.inc34, %for.end
44 %indvar = phi i64 [ %indvar.next, %for.inc34 ], [ 0, %for.end ]
45 %arrayidx30 = getelementptr float* %pc, i64 %indvar
46 %arrayidx25 = getelementptr float* %pb, i64 %indvar
47 %arrayidx20 = getelementptr [256 x float]* %pa, i64 0, i64 %indvar
48 %i.1 = trunc i64 %indvar to i32
49 %cmp16 = icmp slt i32 %i.1, 256
50 br i1 %cmp16, label %for.body17, label %for.end37
52 for.body17: ; preds = %for.cond14
53 %tmp21 = load float* %arrayidx20, align 4
54 %tmp26 = load float* %arrayidx25, align 4
55 %tmp31 = load float* %arrayidx30, align 4
56 %mul32 = fmul float %tmp26, %tmp31
57 %cmp33 = fcmp une float %tmp21, %mul32
58 br i1 %cmp33, label %if.then, label %if.end
60 if.then: ; preds = %for.body17
61 call void @abort() noreturn nounwind
64 if.end: ; preds = %for.body17
67 for.inc34: ; preds = %if.end
68 %indvar.next = add i64 %indvar, 1
71 for.end37: ; preds = %for.cond14
75 declare void @abort() noreturn
77 define i32 @main() nounwind uwtable {
79 %b = alloca [257 x float], align 16
80 %c = alloca [257 x float], align 16
81 %tmp = bitcast [257 x float]* %b to i8*
82 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* bitcast ([257 x float]* @main.b to i8*), i64 1028, i32 16, i1 false)
83 %tmp2 = bitcast [257 x float]* %c to i8*
84 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp2, i8* bitcast ([257 x float]* @main.c to i8*), i64 1028, i32 16, i1 false)
85 call void @check_vect()
86 %arrayidx = getelementptr inbounds [257 x float]* %b, i64 0, i64 1
87 %arraydecay = getelementptr inbounds [257 x float]* %c, i64 0, i64 0
88 %call = call i32 @main1(i32 256, float* %arrayidx, float* %arraydecay)
89 %arrayidx3 = getelementptr inbounds [257 x float]* %b, i64 0, i64 1
90 %arrayidx4 = getelementptr inbounds [257 x float]* %c, i64 0, i64 1
91 %call5 = call i32 @main1(i32 256, float* %arrayidx3, float* %arrayidx4)
95 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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 !0
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 !1
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 -2147342459, i32 -2147342451}
180 !1 = metadata !{i32 -2147342582, i32 -2147342574}