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-3.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer no-scevccp-noreassoc-outer-3.s > no-scevccp-noreassoc-outer-3.ll
6 ; ModuleID = 'no-scevccp-noreassoc-outer-3.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.inc12, %entry
17 %indvar = phi i64 [ %indvar.next, %for.inc12 ], [ 0, %entry ]
18 %tmp4 = mul i64 %indvar, 40
19 %tmp5 = add i64 %tmp4, 780
20 %tmp1 = trunc i64 %tmp5 to i32
21 %arrayidx = getelementptr [40 x i32]* @a, i64 0, i64 %indvar
22 %exitcond3 = icmp ne i64 %indvar, 40
23 br i1 %exitcond3, label %for.body, label %for.end15
25 for.body: ; preds = %for.cond
28 for.cond1: ; preds = %for.inc, %for.body
29 %tmp = phi i32 [ 0, %for.body ], [ %inc, %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 %inc = add nsw i32 %tmp, 1
40 for.end: ; preds = %for.cond1
41 store i32 %tmp1, i32* %arrayidx, align 4
44 for.inc12: ; preds = %for.end
45 %indvar.next = add i64 %indvar, 1
48 for.end15: ; preds = %for.cond
52 define i32 @main() nounwind uwtable {
54 call void @check_vect()
55 %call = call i32 @foo()
58 for.cond: ; preds = %for.inc14, %entry
59 %indvar = phi i64 [ %indvar.next, %for.inc14 ], [ 0, %entry ]
60 %tmp3 = mul i64 %indvar, 40
61 %tmp4 = add i64 %tmp3, 780
62 %tmp1 = trunc i64 %tmp4 to i32
63 %arrayidx = getelementptr [40 x i32]* @a, i64 0, i64 %indvar
64 %i.0 = trunc i64 %indvar to i32
65 %cmp = icmp slt i32 %i.0, 40
66 br i1 %cmp, label %for.body, label %for.end17
68 for.body: ; preds = %for.cond
71 for.cond1: ; preds = %for.inc, %for.body
72 %tmp = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
73 %exitcond = icmp ne i32 %tmp, 40
74 br i1 %exitcond, label %for.body4, label %for.end
76 for.body4: ; preds = %for.cond1
79 for.inc: ; preds = %for.body4
80 %inc = add nsw i32 %tmp, 1
83 for.end: ; preds = %for.cond1
84 %tmp11 = load i32* %arrayidx, align 4
85 %cmp13 = icmp eq i32 %tmp11, %tmp1
86 br i1 %cmp13, label %if.end, label %if.then
88 if.then: ; preds = %for.end
89 call void @abort() noreturn nounwind
92 if.end: ; preds = %for.end
95 for.inc14: ; preds = %if.end
96 %indvar.next = add i64 %indvar, 1
99 for.end17: ; preds = %for.cond
103 define internal void @check_vect() nounwind uwtable noinline {
105 %a = alloca i32, align 4
106 %b = alloca i32, align 4
107 %c = alloca i32, align 4
108 %d = alloca i32, align 4
109 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
110 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
111 %tobool = icmp eq i32 %call1, 0
112 br i1 %tobool, label %if.then, label %lor.lhs.false
114 lor.lhs.false: ; preds = %entry
115 %tmp4 = load i32* %d, align 4
116 %and6 = and i32 %tmp4, 67108864
117 %cmp = icmp eq i32 %and6, 0
118 br i1 %cmp, label %if.then, label %if.end
120 if.then: ; preds = %entry, %lor.lhs.false
121 call void @exit(i32 0) noreturn nounwind
124 if.end: ; preds = %lor.lhs.false
125 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
129 declare void @abort() noreturn
131 declare void (i32)* @signal(i32, void (i32)*) nounwind
133 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
135 call void @exit(i32 0) noreturn nounwind
138 return: ; No predecessors!
142 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
144 %and = and i32 %__level, -2147483648
145 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
146 %cmp = icmp ult i32 %call, %__level
147 br i1 %cmp, label %if.then, label %if.end
149 if.then: ; preds = %entry
152 if.end: ; preds = %entry
153 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
154 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
155 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
156 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
157 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
158 store i32 %asmresult, i32* %__eax, align 4
159 store i32 %asmresult8, i32* %__ebx, align 4
160 store i32 %asmresult9, i32* %__ecx, align 4
161 store i32 %asmresult10, i32* %__edx, align 4
164 return: ; preds = %if.end, %if.then
165 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
169 declare void @exit(i32) noreturn
171 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
173 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
174 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
175 %tobool = icmp eq i32* %__sig, null
176 br i1 %tobool, label %if.end, label %if.then
178 if.then: ; preds = %entry
179 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
180 store i32 %asmresult1, i32* %__sig, align 4
183 if.end: ; preds = %entry, %if.then
187 !0 = metadata !{i32 -2147343629, i32 -2147343621}
188 !1 = metadata !{i32 -2147343752, i32 -2147343744}