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1; RUN: llc -march=amdgcn -mcpu=bonaire -print-lsr-output < %s 2>&1 | FileCheck %s
2
3; Test various conditions where OptimizeLoopTermCond doesn't look at a
4; memory instruction use and fails to find the address space.
5
6target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-p24:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
7
8; CHECK-LABEL: @local_cmp_user(
9; CHECK: bb11:
10; CHECK: %lsr.iv1 = phi i32 [ %lsr.iv.next2, %bb ], [ 2, %entry ]
11; CHECK: %lsr.iv = phi i32 [ %lsr.iv.next, %bb ], [ %{{[0-9]+}}, %entry ]
12; CHECK: %lsr.iv.next = add i32 %lsr.iv, -1
13; CHECK: %lsr.iv.next2 = add i32 %lsr.iv1, -2
14; CHECK: br i1
15
16; CHECK: bb:
17; CHECK: inttoptr i32 %lsr.iv.next2 to i8 addrspace(3)*
18; CHECK: %c1 = icmp ne i8 addrspace(3)*
19define void @local_cmp_user(i32 %arg0) nounwind {
20entry:
21  br label %bb11
22
23bb11:
24  %i = phi i32 [ 0, %entry ], [ %i.next, %bb ]
25  %ii = shl i32 %i, 1
26  %c0 = icmp eq i32 %i, %arg0
27  br i1 %c0, label %bb13, label %bb
28
29bb:
30  %t = load i8 addrspace(3)*, i8 addrspace(3)* addrspace(3)* undef
31  %p = getelementptr i8, i8 addrspace(3)* %t, i32 %ii
32  %c1 = icmp ne i8 addrspace(3)* %p, null
33  %i.next = add i32 %i, 1
34  br i1 %c1, label %bb11, label %bb13
35
36bb13:
37  unreachable
38}
39
40; CHECK-LABEL: @global_cmp_user(
41; CHECK: %lsr.iv1 = phi i64
42; CHECK: %lsr.iv = phi i64
43; CHECK: %lsr.iv.next = add i64 %lsr.iv, -1
44; CHECK: %lsr.iv.next2 = add i64 %lsr.iv1, -2
45; CHECK: br i1
46
47; CHECK: bb:
48; CHECK: inttoptr i64 %lsr.iv.next2 to i8 addrspace(1)*
49; CHECK: icmp ne i8 addrspace(1)* %t
50define void @global_cmp_user(i64 %arg0) nounwind {
51entry:
52  br label %bb11
53
54bb11:
55  %i = phi i64 [ 0, %entry ], [ %i.next, %bb ]
56  %ii = shl i64 %i, 1
57  %c0 = icmp eq i64 %i, %arg0
58  br i1 %c0, label %bb13, label %bb
59
60bb:
61  %t = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef
62  %p = getelementptr i8, i8 addrspace(1)* %t, i64 %ii
63  %c1 = icmp ne i8 addrspace(1)* %p, null
64  %i.next = add i64 %i, 1
65  br i1 %c1, label %bb11, label %bb13
66
67bb13:
68  unreachable
69}
70
71; CHECK-LABEL: @global_gep_user(
72; CHECK: %lsr.iv1 = phi i32 [ %lsr.iv.next2, %bb ], [ 0, %entry ]
73; CHECK: %lsr.iv = phi i32 [ %lsr.iv.next, %bb ], [ %{{[0-9]+}}, %entry ]
74; CHECK: %lsr.iv.next = add i32 %lsr.iv, -1
75; CHECK: %lsr.iv.next2 = add i32 %lsr.iv1, 2
76; CHECK: br i1
77
78; CHECK: bb:
79; CHECK: %idxprom = sext i32 %lsr.iv1 to i64
80; CHECK: getelementptr i8, i8 addrspace(1)* %t, i64 %idxprom
81define void @global_gep_user(i32 %arg0) nounwind {
82entry:
83  br label %bb11
84
85bb11:
86  %i = phi i32 [ 0, %entry ], [ %i.next, %bb ]
87  %ii = shl i32 %i, 1
88  %c0 = icmp eq i32 %i, %arg0
89  br i1 %c0, label %bb13, label %bb
90
91bb:
92  %t = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef
93  %p = getelementptr i8, i8 addrspace(1)* %t, i32 %ii
94  %c1 = icmp ne i8 addrspace(1)* %p, null
95  %i.next = add i32 %i, 1
96  br i1 %c1, label %bb11, label %bb13
97
98bb13:
99  unreachable
100}
101
102; CHECK-LABEL: @global_sext_scale_user(
103; CHECK: %lsr.iv1 = phi i32 [ %lsr.iv.next2, %bb ], [ 0, %entry ]
104; CHECK: %lsr.iv = phi i32 [ %lsr.iv.next, %bb ], [ %{{[0-9]+}}, %entry ]
105; CHECK: %lsr.iv.next = add i32 %lsr.iv, -1
106; CHECK: %lsr.iv.next2 = add i32 %lsr.iv1, 2
107; CHECK: br i1
108
109; CHECK: bb
110; CHECK: %p = getelementptr i8, i8 addrspace(1)* %t, i64 %ii.ext
111define void @global_sext_scale_user(i32 %arg0) nounwind {
112entry:
113  br label %bb11
114
115bb11:
116  %i = phi i32 [ 0, %entry ], [ %i.next, %bb ]
117  %ii = shl i32 %i, 1
118  %ii.ext = sext i32 %ii to i64
119  %c0 = icmp eq i32 %i, %arg0
120  br i1 %c0, label %bb13, label %bb
121
122bb:
123  %t = load i8 addrspace(1)*, i8 addrspace(1)* addrspace(1)* undef
124  %p = getelementptr i8, i8 addrspace(1)* %t, i64 %ii.ext
125  %c1 = icmp ne i8 addrspace(1)* %p, null
126  %i.next = add i32 %i, 1
127  br i1 %c1, label %bb11, label %bb13
128
129bb13:
130  unreachable
131}
132