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-shift-1.c
4 ; opt -correlated-propagation -mem2reg -instcombine -loop-simplify -indvars -instnamer vect-shift-1.s > vect-shift-1.ll
6 ; ModuleID = 'vect-shift-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 = global [8 x i32] [i32 134217728, i32 134217729, i32 -16776961, i32 -268435455, i32 134217728, i32 134217729, i32 -16776961, i32 -268435455], align 16
11 @B = global [8 x i32] [i32 16777216, i32 16777216, i32 534773791, i32 503316480, i32 16777216, i32 16777216, i32 534773791, i32 503316480], align 16
13 define i32 @main() nounwind uwtable {
15 call void @check_vect()
18 for.cond: ; preds = %for.inc, %entry
19 %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ]
20 %arrayidx = getelementptr [8 x i32]* @A, i64 0, i64 %indvar1
21 %exitcond = icmp ne i64 %indvar1, 8
22 br i1 %exitcond, label %for.body, label %for.end
24 for.body: ; preds = %for.cond
25 %tmp2 = load i32* %arrayidx, align 4
26 %shr = lshr i32 %tmp2, 3
27 store i32 %shr, i32* %arrayidx, align 4
30 for.inc: ; preds = %for.body
31 %indvar.next2 = add i64 %indvar1, 1
34 for.end: ; preds = %for.cond
37 for.cond7: ; preds = %for.inc20, %for.end
38 %indvar = phi i64 [ %indvar.next, %for.inc20 ], [ 0, %for.end ]
39 %arrayidx17 = getelementptr [8 x i32]* @B, i64 0, i64 %indvar
40 %arrayidx13 = getelementptr [8 x i32]* @A, i64 0, i64 %indvar
41 %i.1 = trunc i64 %indvar to i32
42 %cmp9 = icmp slt i32 %i.1, 8
43 br i1 %cmp9, label %for.body10, label %for.end23
45 for.body10: ; preds = %for.cond7
46 %tmp14 = load i32* %arrayidx13, align 4
47 %tmp18 = load i32* %arrayidx17, align 4
48 %cmp19 = icmp eq i32 %tmp14, %tmp18
49 br i1 %cmp19, label %if.end, label %if.then
51 if.then: ; preds = %for.body10
52 call void @abort() noreturn nounwind
55 if.end: ; preds = %for.body10
58 for.inc20: ; preds = %if.end
59 %indvar.next = add i64 %indvar, 1
62 for.end23: ; preds = %for.cond7
66 define internal void @check_vect() nounwind uwtable noinline {
68 %a = alloca i32, align 4
69 %b = alloca i32, align 4
70 %c = alloca i32, align 4
71 %d = alloca i32, align 4
72 %call = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* @sig_ill_handler) nounwind
73 %call1 = call i32 @__get_cpuid(i32 1, i32* %a, i32* %b, i32* %c, i32* %d)
74 %tobool = icmp eq i32 %call1, 0
75 br i1 %tobool, label %if.then, label %lor.lhs.false
77 lor.lhs.false: ; preds = %entry
78 %tmp4 = load i32* %d, align 4
79 %and6 = and i32 %tmp4, 67108864
80 %cmp = icmp eq i32 %and6, 0
81 br i1 %cmp, label %if.then, label %if.end
83 if.then: ; preds = %entry, %lor.lhs.false
84 call void @exit(i32 0) noreturn nounwind
87 if.end: ; preds = %lor.lhs.false
88 %call7 = call void (i32)* (i32, void (i32)*)* @signal(i32 4, void (i32)* null) nounwind
92 declare void @abort() noreturn
94 declare void (i32)* @signal(i32, void (i32)*) nounwind
96 define internal void @sig_ill_handler(i32 %sig) nounwind uwtable {
98 call void @exit(i32 0) noreturn nounwind
101 return: ; No predecessors!
105 define internal i32 @__get_cpuid(i32 %__level, i32* %__eax, i32* %__ebx, i32* %__ecx, i32* %__edx) nounwind uwtable inlinehint {
107 %and = and i32 %__level, -2147483648
108 %call = call i32 @__get_cpuid_max(i32 %and, i32* null)
109 %cmp = icmp ult i32 %call, %__level
110 br i1 %cmp, label %if.then, label %if.end
112 if.then: ; preds = %entry
115 if.end: ; preds = %entry
116 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__level) nounwind, !srcloc !0
117 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
118 %asmresult8 = extractvalue { i32, i32, i32, i32 } %tmp, 1
119 %asmresult9 = extractvalue { i32, i32, i32, i32 } %tmp, 2
120 %asmresult10 = extractvalue { i32, i32, i32, i32 } %tmp, 3
121 store i32 %asmresult, i32* %__eax, align 4
122 store i32 %asmresult8, i32* %__ebx, align 4
123 store i32 %asmresult9, i32* %__ecx, align 4
124 store i32 %asmresult10, i32* %__edx, align 4
127 return: ; preds = %if.end, %if.then
128 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
132 declare void @exit(i32) noreturn
134 define internal i32 @__get_cpuid_max(i32 %__ext, i32* %__sig) nounwind uwtable inlinehint {
136 %tmp = call { i32, i32, i32, i32 } asm "cpuid\0A\09", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %__ext) nounwind, !srcloc !1
137 %asmresult = extractvalue { i32, i32, i32, i32 } %tmp, 0
138 %tobool = icmp eq i32* %__sig, null
139 br i1 %tobool, label %if.end, label %if.then
141 if.then: ; preds = %entry
142 %asmresult1 = extractvalue { i32, i32, i32, i32 } %tmp, 1
143 store i32 %asmresult1, i32* %__sig, align 4
146 if.end: ; preds = %entry, %if.then
150 !0 = metadata !{i32 -2147343590, i32 -2147343582}
151 !1 = metadata !{i32 -2147343713, i32 -2147343705}