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-4.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-4.s > vect-4.ll
6 ; ModuleID = 'vect-4.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 @b = global [20 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], align 16
11 @c = global [20 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], align 16
12 @a = common global [20 x float] zeroinitializer, align 16
14 define i32 @main1() nounwind uwtable noinline {
18 for.cond: ; preds = %for.inc, %entry
19 %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ]
20 %arrayidx9 = getelementptr [20 x float]* @a, i64 0, i64 %indvar1
21 %arrayidx5 = getelementptr [20 x float]* @c, i64 0, i64 %indvar1
22 %arrayidx = getelementptr [20 x float]* @b, i64 0, i64 %indvar1
23 %exitcond = icmp ne i64 %indvar1, 20
24 br i1 %exitcond, label %for.body, label %for.end
26 for.body: ; preds = %for.cond
27 %tmp2 = load float* %arrayidx, align 4
28 %tmp6 = load float* %arrayidx5, align 4
29 %mul = fmul float %tmp2, %tmp6
30 store float %mul, float* %arrayidx9, align 4
33 for.inc: ; preds = %for.body
34 %indvar.next2 = add i64 %indvar1, 1
37 for.end: ; preds = %for.cond
40 for.cond11: ; preds = %for.inc29, %for.end
41 %indvar = phi i64 [ %indvar.next, %for.inc29 ], [ 0, %for.end ]
42 %arrayidx25 = getelementptr [20 x float]* @c, i64 0, i64 %indvar
43 %arrayidx21 = getelementptr [20 x float]* @b, i64 0, i64 %indvar
44 %arrayidx17 = getelementptr [20 x float]* @a, i64 0, i64 %indvar
45 %i.1 = trunc i64 %indvar to i32
46 %cmp13 = icmp slt i32 %i.1, 20
47 br i1 %cmp13, label %for.body14, label %for.end32
49 for.body14: ; preds = %for.cond11
50 %tmp18 = load float* %arrayidx17, align 4
51 %tmp22 = load float* %arrayidx21, align 4
52 %tmp26 = load float* %arrayidx25, align 4
53 %mul27 = fmul float %tmp22, %tmp26
54 %cmp28 = fcmp une float %tmp18, %mul27
55 br i1 %cmp28, label %if.then, label %if.end
57 if.then: ; preds = %for.body14
58 call void @abort() noreturn nounwind
61 if.end: ; preds = %for.body14
64 for.inc29: ; preds = %if.end
65 %indvar.next = add i64 %indvar, 1
68 for.end32: ; preds = %for.cond11
72 declare void @abort() noreturn
74 define i32 @main() nounwind uwtable {
76 call void @check_vect()
77 %call = call i32 @main1()
81 define internal void @check_vect() nounwind uwtable noinline {
83 %a = alloca i32, align 4
84 %b = alloca i32, align 4
85 %c = alloca i32, align 4
86 %d = alloca i32, align 4
87 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
88 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
89 %tobool = icmp eq i32 %call1, 0
90 br i1 %tobool, label %if.then, label %lor.lhs.false
92 lor.lhs.false: ; preds = %entry
93 %tmp4 = load i32* %d, align 4
94 %and6 = and i32 %tmp4, 67108864
95 %cmp = icmp eq i32 %and6, 0
96 br i1 %cmp, label %if.then, label %if.end
98 if.then: ; preds = %entry, %lor.lhs.false
99 call void @exit(i32 0) noreturn nounwind
102 if.end: ; preds = %lor.lhs.false
103 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
107 declare void (i32)* @signal(i32, void (i32)*) nounwind
109 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
111 call void @exit(i32 0) noreturn nounwind
114 return: ; No predecessors!
118 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
120 %and = and i32 %__level, -2147483648
121 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
122 %cmp = icmp ult i32 %call, %__level
123 br i1 %cmp, label %if.then, label %if.end
125 if.then: ; preds = %entry
128 if.end: ; preds = %entry
129 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
130 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
131 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
132 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
133 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
134 store i32 %asmresult, i32* %__eax, align 4
135 store i32 %asmresult8, i32* %__ebx, align 4
136 store i32 %asmresult9, i32* %__ecx, align 4
137 store i32 %asmresult10, i32* %__edx, align 4
140 return: ; preds = %if.end, %if.then
141 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
145 declare void @exit(i32) noreturn
147 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
149 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
150 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
151 %tobool = icmp eq i32* %__sig, null
152 br i1 %tobool, label %if.end, label %if.then
154 if.then: ; preds = %entry
155 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
156 store i32 %asmresult1, i32* %__sig, align 4
159 if.end: ; preds = %entry, %if.then
163 !0 = metadata !{i32 -2147343553, i32 -2147343545}
164 !1 = metadata !{i32 -2147343676, i32 -2147343668}