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-ifcvt-4.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-ifcvt-4.s > vect-ifcvt-4.ll
6 ; ModuleID = 'vect-ifcvt-4.s'
8 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"
9 target triple = "x86_64-unknown-linux-gnu"
11 @A = global [16 x i32] [i32 36, i32 39, i32 42, i32 45, i32 43, i32 32, i32 21, i32 12, i32 23, i32 34, i32 45, i32 56, i32 67, i32 78, i32 89, i32 11], align 16
12 @B = global [16 x i32] [i32 42, i32 42, i32 42, i32 0, i32 0, i32 42, i32 42, i32 42, i32 42, i32 42, i32 0, i32 0, i32 0, i32 0, i32 0, i32 42], align 16
14 define i32 @main() nounwind uwtable {
16 call void @check_vect()
19 for.cond: ; preds = %for.inc, %entry
20 %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ]
21 %arrayidx = getelementptr [16 x i32]* @A, i64 0, i64 %indvar1
22 %exitcond = icmp ne i64 %indvar1, 16
23 br i1 %exitcond, label %for.body, label %for.end
25 for.body: ; preds = %for.cond
26 %tmp2 = load i32* %arrayidx, align 4
27 %cmp3 = icmp slt i32 %tmp2, 43
28 %cond = select i1 %cmp3, i32 42, i32 0
29 store i32 %cond, i32* %arrayidx, align 4
32 for.inc: ; preds = %for.body
33 %indvar.next2 = add i64 %indvar1, 1
36 for.end: ; preds = %for.cond
39 for.cond8: ; preds = %for.inc21, %for.end
40 %indvar = phi i64 [ %indvar.next, %for.inc21 ], [ 0, %for.end ]
41 %arrayidx18 = getelementptr [16 x i32]* @B, i64 0, i64 %indvar
42 %arrayidx14 = getelementptr [16 x i32]* @A, i64 0, i64 %indvar
43 %i.1 = trunc i64 %indvar to i32
44 %cmp10 = icmp slt i32 %i.1, 16
45 br i1 %cmp10, label %for.body11, label %for.end24
47 for.body11: ; preds = %for.cond8
48 %tmp15 = load i32* %arrayidx14, align 4
49 %tmp19 = load i32* %arrayidx18, align 4
50 %cmp20 = icmp eq i32 %tmp15, %tmp19
51 br i1 %cmp20, label %if.end, label %if.then
53 if.then: ; preds = %for.body11
54 call void @abort() noreturn nounwind
57 if.end: ; preds = %for.body11
60 for.inc21: ; preds = %if.end
61 %indvar.next = add i64 %indvar, 1
64 for.end24: ; preds = %for.cond8
68 define internal void @check_vect() nounwind uwtable noinline {
70 %a = alloca i32, align 4
71 %b = alloca i32, align 4
72 %c = alloca i32, align 4
73 %d = alloca i32, align 4
74 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
75 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
76 %tobool = icmp eq i32 %call1, 0
77 br i1 %tobool, label %if.then, label %lor.lhs.false
79 lor.lhs.false: ; preds = %entry
80 %tmp4 = load i32* %d, align 4
81 %and6 = and i32 %tmp4, 67108864
82 %cmp = icmp eq i32 %and6, 0
83 br i1 %cmp, label %if.then, label %if.end
85 if.then: ; preds = %entry, %lor.lhs.false
86 call void @exit(i32 0) noreturn nounwind
89 if.end: ; preds = %lor.lhs.false
90 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
94 declare void @abort() noreturn
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 -2147343642, i32 -2147343634}
153 !1 = metadata !{i32 -2147343765, i32 -2147343757}