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-112.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-112.s > vect-112.ll
6 ; ModuleID = 'vect-112.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 @cb = global [16 x i8] c"\02\03\04\05\06\07\08\09\0A\0B\0C\0D\0E\0F\10\11", align 16
11 @cc = global [16 x i8] c"\01\02\03\04\05\06\07\08\09\0A\0B\0C\0D\0E\0F\10", align 16
13 define i32 @main1() nounwind uwtable noinline {
17 for.cond: ; preds = %for.inc, %entry
18 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
19 %diff.0 = phi i32 [ 0, %entry ], [ %add, %for.inc ]
20 %arrayidx5 = getelementptr [16 x i8]* @cc, i64 0, i64 %indvar
21 %arrayidx = getelementptr [16 x i8]* @cb, i64 0, i64 %indvar
22 %exitcond = icmp ne i64 %indvar, 16
23 br i1 %exitcond, label %for.body, label %for.end
25 for.body: ; preds = %for.cond
28 for.inc: ; preds = %for.body
29 %tmp6 = load i8* %arrayidx5, align 1
30 %tmp2 = load i8* %arrayidx, align 1
31 %conv7 = sext i8 %tmp6 to i32
32 %conv = sext i8 %tmp2 to i32
33 %sub = sub nsw i32 %conv, %conv7
34 %add = add nsw i32 %diff.0, %sub
35 %indvar.next = add i64 %indvar, 1
38 for.end: ; preds = %for.cond
39 %diff.0.lcssa = phi i32 [ %diff.0, %for.cond ]
40 %cmp11 = icmp eq i32 %diff.0.lcssa, 16
41 br i1 %cmp11, label %if.end, label %if.then
43 if.then: ; preds = %for.end
44 call void @abort() noreturn nounwind
47 if.end: ; preds = %for.end
51 declare void @abort() noreturn
53 define i32 @main() nounwind uwtable {
55 call void @check_vect()
56 %call = call i32 @main1()
60 define internal void @check_vect() nounwind uwtable noinline {
62 %a = alloca i32, align 4
63 %b = alloca i32, align 4
64 %c = alloca i32, align 4
65 %d = alloca i32, align 4
66 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
67 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
68 %tobool = icmp eq i32 %call1, 0
69 br i1 %tobool, label %if.then, label %lor.lhs.false
71 lor.lhs.false: ; preds = %entry
72 %tmp4 = load i32* %d, align 4
73 %and6 = and i32 %tmp4, 67108864
74 %cmp = icmp eq i32 %and6, 0
75 br i1 %cmp, label %if.then, label %if.end
77 if.then: ; preds = %entry, %lor.lhs.false
78 call void @exit(i32 0) noreturn nounwind
81 if.end: ; preds = %lor.lhs.false
82 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
86 declare void (i32)* @signal(i32, void (i32)*) nounwind
88 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
90 call void @exit(i32 0) noreturn nounwind
93 return: ; No predecessors!
97 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
99 %and = and i32 %__level, -2147483648
100 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
101 %cmp = icmp ult i32 %call, %__level
102 br i1 %cmp, label %if.then, label %if.end
104 if.then: ; preds = %entry
107 if.end: ; preds = %entry
108 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
109 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
110 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
111 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
112 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
113 store i32 %asmresult, i32* %__eax, align 4
114 store i32 %asmresult8, i32* %__ebx, align 4
115 store i32 %asmresult9, i32* %__ecx, align 4
116 store i32 %asmresult10, i32* %__edx, align 4
119 return: ; preds = %if.end, %if.then
120 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
124 declare void @exit(i32) noreturn
126 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
128 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
129 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
130 %tobool = icmp eq i32* %__sig, null
131 br i1 %tobool, label %if.end, label %if.then
133 if.then: ; preds = %entry
134 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
135 store i32 %asmresult1, i32* %__sig, align 4
138 if.end: ; preds = %entry, %if.then
142 !0 = metadata !{i32 -2147343651, i32 -2147343643}
143 !1 = metadata !{i32 -2147343774, i32 -2147343766}