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 wrapv-vect-reduc-dot-s8b.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer wrapv-vect-reduc-dot-s8b.s > wrapv-vect-reduc-dot-s8b.ll
6 ; ModuleID = 'wrapv-vect-reduc-dot-s8b.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 = global [64 x i8] c"\00\01\02\03\04\05\06\07\08\09\0A\0B\0C\0D\0E\0F\10\11\12\13\14\15\16\17\18\19\1A\1B\1C\1D\1E\1F !\22#$%&'()*+,-./0123456789:;<=>?", align 16
11 @Y = global [64 x i8] c"@?>=<;:9876543210/.-,+*)('&%$#\22! \1F\1E\1D\1C\1B\1A\19\18\17\16\15\14\13\12\11\10\0F\0E\0D\0C\0B\0A\09\08\07\06\05\04\03\02\01", align 16
13 define signext i16 @foo(i32 %len) nounwind uwtable noinline {
15 %tmp = icmp sgt i32 %len, 0
16 %smax = select i1 %tmp, i32 %len, i32 0
17 %tmp2 = zext i32 %smax to i64
20 for.cond: ; preds = %for.inc, %entry
21 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
22 %result.0 = phi i16 [ 0, %entry ], [ %add, %for.inc ]
23 %arrayidx6 = getelementptr [64 x i8]* @Y, i64 0, i64 %indvar
24 %arrayidx = getelementptr [64 x i8]* @X, i64 0, i64 %indvar
25 %exitcond = icmp ne i64 %indvar, %tmp2
26 br i1 %exitcond, label %for.body, label %for.end
28 for.body: ; preds = %for.cond
31 for.inc: ; preds = %for.body
32 %tmp7 = load i8* %arrayidx6, align 1
33 %tmp3 = load i8* %arrayidx, align 1
34 %conv = sext i8 %tmp3 to i16
35 %conv8 = sext i8 %tmp7 to i16
36 %mul = mul i16 %conv, %conv8
37 %add = add i16 %result.0, %mul
38 %indvar.next = add i64 %indvar, 1
41 for.end: ; preds = %for.cond
42 %result.0.lcssa = phi i16 [ %result.0, %for.cond ]
43 ret i16 %result.0.lcssa
46 define i32 @main() nounwind uwtable {
48 call void @check_vect()
49 %call = call signext i16 @foo(i32 64)
50 %cmp = icmp eq i16 %call, -21856
51 br i1 %cmp, label %if.end, label %if.then
53 if.then: ; preds = %entry
54 call void @abort() noreturn nounwind
57 if.end: ; preds = %entry
61 define internal void @check_vect() nounwind uwtable noinline {
63 %a = alloca i32, align 4
64 %b = alloca i32, align 4
65 %c = alloca i32, align 4
66 %d = alloca i32, align 4
67 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
68 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
69 %tobool = icmp eq i32 %call1, 0
70 br i1 %tobool, label %if.then, label %lor.lhs.false
72 lor.lhs.false: ; preds = %entry
73 %tmp4 = load i32* %d, align 4
74 %and6 = and i32 %tmp4, 67108864
75 %cmp = icmp eq i32 %and6, 0
76 br i1 %cmp, label %if.then, label %if.end
78 if.then: ; preds = %entry, %lor.lhs.false
79 call void @exit(i32 0) noreturn nounwind
82 if.end: ; preds = %lor.lhs.false
83 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
87 declare void @abort() noreturn
89 declare void (i32)* @signal(i32, void (i32)*) nounwind
91 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
93 call void @exit(i32 0) noreturn nounwind
96 return: ; No predecessors!
100 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
102 %and = and i32 %__level, -2147483648
103 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
104 %cmp = icmp ult i32 %call, %__level
105 br i1 %cmp, label %if.then, label %if.end
107 if.then: ; preds = %entry
110 if.end: ; preds = %entry
111 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
112 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
113 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
114 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
115 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
116 store i32 %asmresult, i32* %__eax, align 4
117 store i32 %asmresult8, i32* %__ebx, align 4
118 store i32 %asmresult9, i32* %__ecx, align 4
119 store i32 %asmresult10, i32* %__edx, align 4
122 return: ; preds = %if.end, %if.then
123 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
127 declare void @exit(i32) noreturn
129 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
131 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
132 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
133 %tobool = icmp eq i32* %__sig, null
134 br i1 %tobool, label %if.end, label %if.then
136 if.then: ; preds = %entry
137 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
138 store i32 %asmresult1, i32* %__sig, align 4
141 if.end: ; preds = %entry, %if.then
145 !0 = metadata !{i32 -2147342370, i32 -2147342362}
146 !1 = metadata !{i32 -2147342493, i32 -2147342485}