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 fast-math-vect-reduc-9.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer fast-math-vect-reduc-9.s > fast-math-vect-reduc-9.ll
6 ; ModuleID = 'fast-math-vect-reduc-9.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 @x = common global [1024 x float] zeroinitializer, align 16
12 define float @test() nounwind uwtable {
16 for.cond: ; preds = %for.inc, %entry
17 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
18 %gosa.0 = phi float [ 0.000000e+00, %entry ], [ %add, %for.inc ]
19 %arrayidx = getelementptr [1024 x float]* @x, i64 0, i64 %indvar
20 %exitcond = icmp ne i64 %indvar, 1024
21 br i1 %exitcond, label %for.body, label %for.end
23 for.body: ; preds = %for.cond
24 %tmp3 = load float* %arrayidx, align 4
27 for.inc: ; preds = %for.body
28 %mul = fmul float %tmp3, %tmp3
29 %add = fadd float %gosa.0, %mul
30 %indvar.next = add i64 %indvar, 1
33 for.end: ; preds = %for.cond
34 %gosa.0.lcssa = phi float [ %gosa.0, %for.cond ]
35 ret float %gosa.0.lcssa
38 define i32 @main() nounwind uwtable {
40 call void @check_vect()
41 %call = call float @test()
42 %conv = fpext float %call to double
43 %cmp = fcmp une double %conv, 0.000000e+00
44 br i1 %cmp, label %if.then, label %if.end
46 if.then: ; preds = %entry
47 call void @abort() noreturn nounwind
50 if.end: ; preds = %entry
54 define internal void @check_vect() nounwind uwtable noinline {
56 %a = alloca i32, align 4
57 %b = alloca i32, align 4
58 %c = alloca i32, align 4
59 %d = alloca i32, align 4
60 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
61 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
62 %tobool = icmp eq i32 %call1, 0
63 br i1 %tobool, label %if.then, label %lor.lhs.false
65 lor.lhs.false: ; preds = %entry
66 %tmp4 = load i32* %d, align 4
67 %and6 = and i32 %tmp4, 67108864
68 %cmp = icmp eq i32 %and6, 0
69 br i1 %cmp, label %if.then, label %if.end
71 if.then: ; preds = %entry, %lor.lhs.false
72 call void @exit(i32 0) noreturn nounwind
75 if.end: ; preds = %lor.lhs.false
76 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
80 declare void @abort() noreturn
82 declare void (i32)* @signal(i32, void (i32)*) nounwind
84 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
86 call void @exit(i32 0) noreturn nounwind
89 return: ; No predecessors!
93 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
95 %and = and i32 %__level, -2147483648
96 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
97 %cmp = icmp ult i32 %call, %__level
98 br i1 %cmp, label %if.then, label %if.end
100 if.then: ; preds = %entry
103 if.end: ; preds = %entry
104 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
105 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
106 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
107 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
108 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
109 store i32 %asmresult, i32* %__eax, align 4
110 store i32 %asmresult8, i32* %__ebx, align 4
111 store i32 %asmresult9, i32* %__ecx, align 4
112 store i32 %asmresult10, i32* %__edx, align 4
115 return: ; preds = %if.end, %if.then
116 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
120 declare void @exit(i32) noreturn
122 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
124 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
125 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
126 %tobool = icmp eq i32* %__sig, null
127 br i1 %tobool, label %if.end, label %if.then
129 if.then: ; preds = %entry
130 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
131 store i32 %asmresult1, i32* %__sig, align 4
134 if.end: ; preds = %entry, %if.then
138 !0 = metadata !{i32 -2147345947, i32 -2147345939}
139 !1 = metadata !{i32 -2147346070, i32 -2147346062}