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-26.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-26.s > vect-26.ll
6 ; ModuleID = 'vect-26.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 define i32 @main1() nounwind uwtable noinline {
12 %ia = alloca [129 x i32], align 16
15 for.cond: ; preds = %for.inc, %entry
16 %indvar2 = phi i64 [ %indvar.next3, %for.inc ], [ 0, %entry ]
17 %tmp4 = add i64 %indvar2, 1
18 %arrayidx = getelementptr [129 x i32]* %ia, i64 0, i64 %tmp4
19 %exitcond = icmp ne i64 %indvar2, 128
20 br i1 %exitcond, label %for.body, label %for.end
22 for.body: ; preds = %for.cond
23 store i32 5, i32* %arrayidx, align 4
26 for.inc: ; preds = %for.body
27 %indvar.next3 = add i64 %indvar2, 1
30 for.end: ; preds = %for.cond
33 for.cond3: ; preds = %for.inc12, %for.end
34 %indvar = phi i64 [ %indvar.next, %for.inc12 ], [ 0, %for.end ]
35 %tmp = add i64 %indvar, 1
36 %i.1 = trunc i64 %tmp to i32
37 %arrayidx9 = getelementptr [129 x i32]* %ia, i64 0, i64 %tmp
38 %cmp5 = icmp slt i32 %i.1, 129
39 br i1 %cmp5, label %for.body6, label %for.end15
41 for.body6: ; preds = %for.cond3
42 %tmp10 = load i32* %arrayidx9, align 4
43 %cmp11 = icmp eq i32 %tmp10, 5
44 br i1 %cmp11, label %if.end, label %if.then
46 if.then: ; preds = %for.body6
47 call void @abort() noreturn nounwind
50 if.end: ; preds = %for.body6
53 for.inc12: ; preds = %if.end
54 %indvar.next = add i64 %indvar, 1
57 for.end15: ; preds = %for.cond3
61 declare void @abort() noreturn
63 define i32 @main() nounwind uwtable {
65 call void @check_vect()
66 %call = call i32 @main1()
70 define internal void @check_vect() nounwind uwtable noinline {
72 %a = alloca i32, align 4
73 %b = alloca i32, align 4
74 %c = alloca i32, align 4
75 %d = alloca i32, align 4
76 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
77 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
78 %tobool = icmp eq i32 %call1, 0
79 br i1 %tobool, label %if.then, label %lor.lhs.false
81 lor.lhs.false: ; preds = %entry
82 %tmp4 = load i32* %d, align 4
83 %and6 = and i32 %tmp4, 67108864
84 %cmp = icmp eq i32 %and6, 0
85 br i1 %cmp, label %if.then, label %if.end
87 if.then: ; preds = %entry, %lor.lhs.false
88 call void @exit(i32 0) noreturn nounwind
91 if.end: ; preds = %lor.lhs.false
92 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
96 declare void (i32)* @signal(i32, void (i32)*) nounwind
98 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
100 call void @exit(i32 0) noreturn nounwind
103 return: ; No predecessors!
107 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
109 %and = and i32 %__level, -2147483648
110 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
111 %cmp = icmp ult i32 %call, %__level
112 br i1 %cmp, label %if.then, label %if.end
114 if.then: ; preds = %entry
117 if.end: ; preds = %entry
118 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
119 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
120 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
121 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
122 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
123 store i32 %asmresult, i32* %__eax, align 4
124 store i32 %asmresult8, i32* %__ebx, align 4
125 store i32 %asmresult9, i32* %__ecx, align 4
126 store i32 %asmresult10, i32* %__edx, align 4
129 return: ; preds = %if.end, %if.then
130 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
134 declare void @exit(i32) noreturn
136 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
138 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
139 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
140 %tobool = icmp eq i32* %__sig, null
141 br i1 %tobool, label %if.end, label %if.then
143 if.then: ; preds = %entry
144 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
145 store i32 %asmresult1, i32* %__sig, align 4
148 if.end: ; preds = %entry, %if.then
152 !0 = metadata !{i32 -2147343581, i32 -2147343573}
153 !1 = metadata !{i32 -2147343704, i32 -2147343696}