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 no-scevccp-noreassoc-outer-1.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer no-scevccp-noreassoc-outer-1.s > no-scevccp-noreassoc-outer-1.ll
6 ; ModuleID = 'no-scevccp-noreassoc-outer-1.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 @a = common global [40 x i32] zeroinitializer, align 16
12 define i32 @foo() nounwind uwtable noinline {
16 for.cond: ; preds = %for.inc15, %entry
17 %indvar = phi i64 [ %indvar.next, %for.inc15 ], [ 0, %entry ]
18 %arrayidx = getelementptr [40 x i32]* @a, i64 0, i64 %indvar
19 %tmp8 = mul i64 %indvar, 1640
20 %tmp9 = add i64 %tmp8, 1560
21 %tmp1 = trunc i64 %tmp9 to i32
22 %exitcond7 = icmp ne i64 %indvar, 1
23 br i1 %exitcond7, label %for.body, label %for.end18
25 for.body: ; preds = %for.cond
28 for.cond1: ; preds = %for.inc, %for.body
29 %tmp = phi i32 [ 0, %for.body ], [ %inc11, %for.inc ]
30 %exitcond = icmp ne i32 %tmp, 40
31 br i1 %exitcond, label %for.body4, label %for.end
33 for.body4: ; preds = %for.cond1
36 for.inc: ; preds = %for.body4
37 %inc11 = add nsw i32 %tmp, 1
40 for.end: ; preds = %for.cond1
41 store i32 %tmp1, i32* %arrayidx, align 4
44 for.inc15: ; preds = %for.end
45 %indvar.next = add i64 %indvar, 1
48 for.end18: ; preds = %for.cond
52 define i32 @main() nounwind uwtable {
54 call void @check_vect()
55 %call = call i32 @foo()
58 for.cond: ; preds = %for.inc17, %entry
59 %indvar = phi i64 [ %indvar.next, %for.inc17 ], [ 0, %entry ]
60 %arrayidx = getelementptr [40 x i32]* @a, i64 0, i64 %indvar
61 %tmp7 = mul i64 %indvar, 1640
62 %tmp8 = add i64 %tmp7, 1560
63 %tmp1 = trunc i64 %tmp8 to i32
64 %tmp10 = mul i64 %indvar, 41
65 %i.0 = trunc i64 %tmp10 to i32
66 %cmp = icmp slt i32 %i.0, 40
67 br i1 %cmp, label %for.body, label %for.end20
69 for.body: ; preds = %for.cond
72 for.cond1: ; preds = %for.inc, %for.body
73 %tmp = phi i32 [ 0, %for.body ], [ %inc11, %for.inc ]
74 %exitcond = icmp ne i32 %tmp, 40
75 br i1 %exitcond, label %for.body4, label %for.end
77 for.body4: ; preds = %for.cond1
80 for.inc: ; preds = %for.body4
81 %inc11 = add nsw i32 %tmp, 1
84 for.end: ; preds = %for.cond1
85 %tmp14 = load i32* %arrayidx, align 4
86 %cmp16 = icmp eq i32 %tmp14, %tmp1
87 br i1 %cmp16, label %if.end, label %if.then
89 if.then: ; preds = %for.end
90 call void @abort() noreturn nounwind
93 if.end: ; preds = %for.end
96 for.inc17: ; preds = %if.end
97 %indvar.next = add i64 %indvar, 1
100 for.end20: ; preds = %for.cond
104 define internal void @check_vect() nounwind uwtable noinline {
106 %a = alloca i32, align 4
107 %b = alloca i32, align 4
108 %c = alloca i32, align 4
109 %d = alloca i32, align 4
110 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
111 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
112 %tobool = icmp eq i32 %call1, 0
113 br i1 %tobool, label %if.then, label %lor.lhs.false
115 lor.lhs.false: ; preds = %entry
116 %tmp4 = load i32* %d, align 4
117 %and6 = and i32 %tmp4, 67108864
118 %cmp = icmp eq i32 %and6, 0
119 br i1 %cmp, label %if.then, label %if.end
121 if.then: ; preds = %entry, %lor.lhs.false
122 call void @exit(i32 0) noreturn nounwind
125 if.end: ; preds = %lor.lhs.false
126 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
130 declare void @abort() noreturn
132 declare void (i32)* @signal(i32, void (i32)*) nounwind
134 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
136 call void @exit(i32 0) noreturn nounwind
139 return: ; No predecessors!
143 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
145 %and = and i32 %__level, -2147483648
146 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
147 %cmp = icmp ult i32 %call, %__level
148 br i1 %cmp, label %if.then, label %if.end
150 if.then: ; preds = %entry
153 if.end: ; preds = %entry
154 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
155 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
156 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
157 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
158 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
159 store i32 %asmresult, i32* %__eax, align 4
160 store i32 %asmresult8, i32* %__ebx, align 4
161 store i32 %asmresult9, i32* %__ecx, align 4
162 store i32 %asmresult10, i32* %__edx, align 4
165 return: ; preds = %if.end, %if.then
166 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
170 declare void @exit(i32) noreturn
172 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
174 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
175 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
176 %tobool = icmp eq i32* %__sig, null
177 br i1 %tobool, label %if.end, label %if.then
179 if.then: ; preds = %entry
180 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
181 store i32 %asmresult1, i32* %__sig, align 4
184 if.end: ; preds = %entry, %if.then
188 !0 = metadata !{i32 -2147343584, i32 -2147343576}
189 !1 = metadata !{i32 -2147343707, i32 -2147343699}