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-48.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-48.s > vect-48.ll
6 ; ModuleID = 'vect-48.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 [256 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 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, 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(float* %pb, float* %pc) nounwind uwtable noinline {
15 %pa = alloca [256 x float], align 16
18 for.cond: ; preds = %for.inc, %entry
19 %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ]
20 %arrayidx11 = getelementptr [256 x float]* %pa, i64 0, i64 %indvar1
21 %arrayidx7 = getelementptr float* %pc, i64 %indvar1
22 %arrayidx = getelementptr float* %pb, i64 %indvar1
23 %exitcond = icmp ne i64 %indvar1, 256
24 br i1 %exitcond, label %for.body, label %for.end
26 for.body: ; preds = %for.cond
27 %tmp3 = load float* %arrayidx, align 4
28 %tmp8 = load float* %arrayidx7, align 4
29 %mul = fmul float %tmp3, %tmp8
30 store float %mul, float* %arrayidx11, align 4
33 for.inc: ; preds = %for.body
34 %indvar.next2 = add i64 %indvar1, 1
37 for.end: ; preds = %for.cond
40 for.cond13: ; preds = %for.inc33, %for.end
41 %indvar = phi i64 [ %indvar.next, %for.inc33 ], [ 0, %for.end ]
42 %arrayidx29 = getelementptr float* %pc, i64 %indvar
43 %arrayidx24 = getelementptr float* %pb, i64 %indvar
44 %arrayidx19 = getelementptr [256 x float]* %pa, i64 0, i64 %indvar
45 %i.1 = trunc i64 %indvar to i32
46 %cmp15 = icmp slt i32 %i.1, 256
47 br i1 %cmp15, label %for.body16, label %for.end36
49 for.body16: ; preds = %for.cond13
50 %tmp20 = load float* %arrayidx19, align 4
51 %tmp25 = load float* %arrayidx24, align 4
52 %tmp30 = load float* %arrayidx29, align 4
53 %mul31 = fmul float %tmp25, %tmp30
54 %cmp32 = fcmp une float %tmp20, %mul31
55 br i1 %cmp32, label %if.then, label %if.end
57 if.then: ; preds = %for.body16
58 call void @abort() noreturn nounwind
61 if.end: ; preds = %for.body16
64 for.inc33: ; preds = %if.end
65 %indvar.next = add i64 %indvar, 1
68 for.end36: ; preds = %for.cond13
72 declare void @abort() noreturn
74 define i32 @main() nounwind uwtable {
76 %b = alloca [257 x float], align 16
77 %c = alloca [256 x float], align 16
78 %tmp = bitcast [257 x float]* %b to i8*
79 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* bitcast ([257 x float]* @main.b to i8*), i64 1028, i32 16, i1 false)
80 %tmp2 = bitcast [256 x float]* %c to i8*
81 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp2, i8* bitcast ([256 x float]* @main.c to i8*), i64 1024, i32 16, i1 false)
82 call void @check_vect()
83 %arraydecay = getelementptr inbounds [257 x float]* %b, i64 0, i64 0
84 %arraydecay3 = getelementptr inbounds [256 x float]* %c, i64 0, i64 0
85 %call = call i32 @main1(float* %arraydecay, float* %arraydecay3)
86 %arrayidx = getelementptr inbounds [257 x float]* %b, i64 0, i64 1
87 %arraydecay4 = getelementptr inbounds [256 x float]* %c, i64 0, i64 0
88 %call5 = call i32 @main1(float* %arrayidx, float* %arraydecay4)
92 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
94 define internal void @check_vect() nounwind uwtable noinline {
96 %a = alloca i32, align 4
97 %b = alloca i32, align 4
98 %c = alloca i32, align 4
99 %d = alloca i32, align 4
100 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
101 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
102 %tobool = icmp eq i32 %call1, 0
103 br i1 %tobool, label %if.then, label %lor.lhs.false
105 lor.lhs.false: ; preds = %entry
106 %tmp4 = load i32* %d, align 4
107 %and6 = and i32 %tmp4, 67108864
108 %cmp = icmp eq i32 %and6, 0
109 br i1 %cmp, label %if.then, label %if.end
111 if.then: ; preds = %entry, %lor.lhs.false
112 call void @exit(i32 0) noreturn nounwind
115 if.end: ; preds = %lor.lhs.false
116 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
120 declare void (i32)* @signal(i32, void (i32)*) nounwind
122 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
124 call void @exit(i32 0) noreturn nounwind
127 return: ; No predecessors!
131 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
133 %and = and i32 %__level, -2147483648
134 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
135 %cmp = icmp ult i32 %call, %__level
136 br i1 %cmp, label %if.then, label %if.end
138 if.then: ; preds = %entry
141 if.end: ; preds = %entry
142 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
143 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
144 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
145 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
146 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
147 store i32 %asmresult, i32* %__eax, align 4
148 store i32 %asmresult8, i32* %__ebx, align 4
149 store i32 %asmresult9, i32* %__ecx, align 4
150 store i32 %asmresult10, i32* %__edx, align 4
153 return: ; preds = %if.end, %if.then
154 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
158 declare void @exit(i32) noreturn
160 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
162 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
163 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
164 %tobool = icmp eq i32* %__sig, null
165 br i1 %tobool, label %if.end, label %if.then
167 if.then: ; preds = %entry
168 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
169 store i32 %asmresult1, i32* %__sig, align 4
172 if.end: ; preds = %entry, %if.then
176 !0 = metadata !{i32 -2147342515, i32 -2147342507}
177 !1 = metadata !{i32 -2147342638, i32 -2147342630}