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-reduc-pattern-1c.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-reduc-pattern-1c.s > vect-reduc-pattern-1c.ll
6 ; ModuleID = 'vect-reduc-pattern-1c.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 @udata_ch = global [16 x i8] c"\00\02\04\06\08\0A\0C\0E\10\12\14\16\18\1A\1C\00", align 16
12 define i32 @foo() nounwind uwtable noinline {
16 for.cond: ; preds = %for.inc, %entry
17 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
18 %shortsum.0 = phi i32 [ 0, %entry ], [ %phitmp, %for.inc ]
19 %arrayidx = getelementptr [16 x i8]* @udata_ch, i64 0, i64 %indvar
20 %exitcond = icmp ne i64 %indvar, 16
21 br i1 %exitcond, label %for.body, label %for.end
23 for.body: ; preds = %for.cond
26 for.inc: ; preds = %for.body
27 %tmp2 = load i8* %arrayidx, align 1
28 %conv = zext i8 %tmp2 to i32
29 %add = add nsw i32 %shortsum.0, %conv
30 %phitmp = and i32 %add, 65535
31 %indvar.next = add i64 %indvar, 1
34 for.end: ; preds = %for.cond
35 %shortsum.0.lcssa = phi i32 [ %shortsum.0, %for.cond ]
36 %cmp9 = icmp eq i32 %shortsum.0.lcssa, 210
37 br i1 %cmp9, label %if.end, label %if.then
39 if.then: ; preds = %for.end
40 call void @abort() noreturn nounwind
43 if.end: ; preds = %for.end
47 declare void @abort() noreturn
49 define i32 @main() nounwind uwtable {
51 call void @check_vect()
52 %call = call i32 @foo()
56 define internal void @check_vect() nounwind uwtable noinline {
58 %a = alloca i32, align 4
59 %b = alloca i32, align 4
60 %c = alloca i32, align 4
61 %d = alloca i32, align 4
62 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
63 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
64 %tobool = icmp eq i32 %call1, 0
65 br i1 %tobool, label %if.then, label %lor.lhs.false
67 lor.lhs.false: ; preds = %entry
68 %tmp4 = load i32* %d, align 4
69 %and6 = and i32 %tmp4, 67108864
70 %cmp = icmp eq i32 %and6, 0
71 br i1 %cmp, label %if.then, label %if.end
73 if.then: ; preds = %entry, %lor.lhs.false
74 call void @exit(i32 0) noreturn nounwind
77 if.end: ; preds = %lor.lhs.false
78 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
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 -2147343416, i32 -2147343408}
139 !1 = metadata !{i32 -2147343539, i32 -2147343531}