1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -basic-aa -loop-idiom < %s | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"
5target triple = "x86_64-unknown-linux-gnu"
6
7; LIR'ing stores of pointers with address space 3 is fine, since
8; they're integral pointers.
9define void @f_0(i8 addrspace(3)** %ptr) {
10; CHECK-LABEL: @f_0(
11; CHECK-NEXT:  entry:
12; CHECK-NEXT:    [[PTR1:%.*]] = bitcast i8 addrspace(3)** [[PTR:%.*]] to i8*
13; CHECK-NEXT:    call void @llvm.memset.p0i8.i64(i8* align 4 [[PTR1]], i8 0, i64 80000, i1 false)
14; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
15; CHECK:       for.body:
16; CHECK-NEXT:    [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
17; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr i8 addrspace(3)*, i8 addrspace(3)** [[PTR]], i64 [[INDVAR]]
18; CHECK-NEXT:    [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
19; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], 10000
20; CHECK-NEXT:    br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
21; CHECK:       for.end:
22; CHECK-NEXT:    ret void
23;
24
25entry:
26  br label %for.body
27
28for.body:
29  %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]
30  %arrayidx = getelementptr i8 addrspace(3)*, i8 addrspace(3)** %ptr, i64 %indvar
31  store i8 addrspace(3)* null, i8 addrspace(3)** %arrayidx, align 4
32  %indvar.next = add i64 %indvar, 1
33  %exitcond = icmp eq i64 %indvar.next, 10000
34  br i1 %exitcond, label %for.end, label %for.body
35
36for.end:
37  ret void
38}
39
40; LIR'ing stores of pointers with address space 4 is not ok, since
41; they're non-integral pointers. NOTE: Zero is special value which
42; can be converted, if we add said handling here, convert this test
43; to use any non-null pointer.
44define void @f_1(i8 addrspace(4)** %ptr) {
45; CHECK-LABEL: @f_1(
46; CHECK-NEXT:  entry:
47; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
48; CHECK:       for.body:
49; CHECK-NEXT:    [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
50; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr i8 addrspace(4)*, i8 addrspace(4)** [[PTR:%.*]], i64 [[INDVAR]]
51; CHECK-NEXT:    store i8 addrspace(4)* null, i8 addrspace(4)** [[ARRAYIDX]], align 4
52; CHECK-NEXT:    [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
53; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], 10000
54; CHECK-NEXT:    br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
55; CHECK:       for.end:
56; CHECK-NEXT:    ret void
57;
58
59entry:
60  br label %for.body
61
62for.body:
63  %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]
64  %arrayidx = getelementptr i8 addrspace(4)*, i8 addrspace(4)** %ptr, i64 %indvar
65  store i8 addrspace(4)* null, i8 addrspace(4)** %arrayidx, align 4
66  %indvar.next = add i64 %indvar, 1
67  %exitcond = icmp eq i64 %indvar.next, 10000
68  br i1 %exitcond, label %for.end, label %for.body
69
70for.end:
71  ret void
72}
73
74; Same as previous case, but vector of non-integral pointers
75define void @f_2(i8 addrspace(4)** %ptr) {
76; CHECK-LABEL: @f_2(
77; CHECK-NEXT:  entry:
78; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
79; CHECK:       for.body:
80; CHECK-NEXT:    [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
81; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr i8 addrspace(4)*, i8 addrspace(4)** [[PTR:%.*]], i64 [[INDVAR]]
82; CHECK-NEXT:    [[ADDR:%.*]] = bitcast i8 addrspace(4)** [[ARRAYIDX]] to <2 x i8 addrspace(4)*>*
83; CHECK-NEXT:    store <2 x i8 addrspace(4)*> zeroinitializer, <2 x i8 addrspace(4)*>* [[ADDR]], align 8
84; CHECK-NEXT:    [[INDVAR_NEXT]] = add i64 [[INDVAR]], 2
85; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], 10000
86; CHECK-NEXT:    br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
87; CHECK:       for.end:
88; CHECK-NEXT:    ret void
89;
90entry:
91  br label %for.body
92
93for.body:
94  %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]
95  %arrayidx = getelementptr i8 addrspace(4)*, i8 addrspace(4)** %ptr, i64 %indvar
96  %addr = bitcast i8 addrspace(4)** %arrayidx to <2 x i8 addrspace(4)*>*
97  store <2 x i8 addrspace(4)*> zeroinitializer, <2 x i8 addrspace(4)*>* %addr, align 8
98  %indvar.next = add i64 %indvar, 2
99  %exitcond = icmp eq i64 %indvar.next, 10000
100  br i1 %exitcond, label %for.end, label %for.body
101
102for.end:
103  ret void
104}
105