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-outer-4i.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-outer-4i.s > vect-outer-4i.ll
6 ; ModuleID = 'vect-outer-4i.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 @in = common global [224 x i8] zeroinitializer, align 16
11 @out = common global [96 x i16] zeroinitializer, align 16
13 define zeroext i16 @foo() nounwind uwtable noinline {
17 for.cond: ; preds = %for.inc20, %entry
18 %indvar1 = phi i64 [ %indvar.next2, %for.inc20 ], [ 0, %entry ]
19 %s.0 = phi i16 [ 0, %entry ], [ %conv19, %for.inc20 ]
20 %exitcond5 = icmp ne i64 %indvar1, 96
21 br i1 %exitcond5, label %for.body, label %for.end22
23 for.body: ; preds = %for.cond
26 for.cond1: ; preds = %for.inc, %for.body
27 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %for.body ]
28 %diff.0 = phi i32 [ 0, %for.body ], [ %phitmp, %for.inc ]
29 %tmp6 = mul i64 %indvar, 8
30 %tmp8 = add i64 %indvar1, %tmp6
31 %arrayidx = getelementptr [224 x i8]* @in, i64 0, i64 %tmp8
32 %exitcond = icmp ne i64 %indvar, 16
33 br i1 %exitcond, label %for.body4, label %for.end
35 for.body4: ; preds = %for.cond1
38 for.inc: ; preds = %for.body4
39 %tmp7 = load i8* %arrayidx, align 1
40 %conv = zext i8 %tmp7 to i32
41 %add10 = add nsw i32 %diff.0, %conv
42 %phitmp = and i32 %add10, 65535
43 %indvar.next = add i64 %indvar, 1
46 for.end: ; preds = %for.cond1
47 %diff.0.lcssa = phi i32 [ %diff.0, %for.cond1 ]
50 for.inc20: ; preds = %for.end
51 %conv17 = zext i16 %s.0 to i32
52 %add18 = add nsw i32 %conv17, %diff.0.lcssa
53 %conv19 = trunc i32 %add18 to i16
54 %indvar.next2 = add i64 %indvar1, 1
57 for.end22: ; preds = %for.cond
58 %s.0.lcssa = phi i16 [ %s.0, %for.cond ]
62 define i32 @main() nounwind uwtable {
64 call void @check_vect()
67 for.cond: ; preds = %for.inc, %entry
68 %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ]
69 %arrayidx = getelementptr [224 x i8]* @in, i64 0, i64 %indvar
70 %conv = trunc i64 %indvar to i8
71 %exitcond = icmp ne i64 %indvar, 224
72 br i1 %exitcond, label %for.body, label %for.end
74 for.body: ; preds = %for.cond
75 store i8 %conv, i8* %arrayidx, align 1
78 for.inc: ; preds = %for.body
79 %indvar.next = add i64 %indvar, 1
82 for.end: ; preds = %for.cond
83 %call = call zeroext i16 @foo()
84 %cmp6 = icmp eq i16 %call, -31488
85 br i1 %cmp6, label %if.end, label %if.then
87 if.then: ; preds = %for.end
88 call void @abort() noreturn nounwind
91 if.end: ; preds = %for.end
95 define internal void @check_vect() nounwind uwtable noinline {
97 %a = alloca i32, align 4
98 %b = alloca i32, align 4
99 %c = alloca i32, align 4
100 %d = alloca i32, align 4
101 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
102 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
103 %tobool = icmp eq i32 %call1, 0
104 br i1 %tobool, label %if.then, label %lor.lhs.false
106 lor.lhs.false: ; preds = %entry
107 %tmp4 = load i32* %d, align 4
108 %and6 = and i32 %tmp4, 67108864
109 %cmp = icmp eq i32 %and6, 0
110 br i1 %cmp, label %if.then, label %if.end
112 if.then: ; preds = %entry, %lor.lhs.false
113 call void @exit(i32 0) noreturn nounwind
116 if.end: ; preds = %lor.lhs.false
117 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
121 declare void @abort() noreturn
123 declare void (i32)* @signal(i32, void (i32)*) nounwind
125 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
127 call void @exit(i32 0) noreturn nounwind
130 return: ; No predecessors!
134 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
136 %and = and i32 %__level, -2147483648
137 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
138 %cmp = icmp ult i32 %call, %__level
139 br i1 %cmp, label %if.then, label %if.end
141 if.then: ; preds = %entry
144 if.end: ; preds = %entry
145 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
146 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
147 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
148 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
149 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
150 store i32 %asmresult, i32* %__eax, align 4
151 store i32 %asmresult8, i32* %__ebx, align 4
152 store i32 %asmresult9, i32* %__ecx, align 4
153 store i32 %asmresult10, i32* %__edx, align 4
156 return: ; preds = %if.end, %if.then
157 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
161 declare void @exit(i32) noreturn
163 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
165 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
166 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
167 %tobool = icmp eq i32* %__sig, null
168 br i1 %tobool, label %if.end, label %if.then
170 if.then: ; preds = %entry
171 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
172 store i32 %asmresult1, i32* %__sig, align 4
175 if.end: ; preds = %entry, %if.then
179 !0 = metadata !{i32 -2147343506, i32 -2147343498}
180 !1 = metadata !{i32 -2147343629, i32 -2147343621}