1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK
2 ; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=SI-CHECK
4 ; This test checks that uses and defs of the AR register happen in the same
7 ; R600-CHECK-LABEL: @mova_same_clause
9 ; R600-CHECK-NOT: ALU clause
10 ; R600-CHECK: 0 + AR.x
11 ; R600-CHECK: MOVA_INT
12 ; R600-CHECK-NOT: ALU clause
13 ; R600-CHECK: 0 + AR.x
15 ; SI-CHECK-LABEL: @mova_same_clause
16 ; SI-CHECK: V_READFIRSTLANE
19 ; SI-CHECK: V_READFIRSTLANE
22 define void @mova_same_clause(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) {
24 %stack = alloca [5 x i32], align 4
25 %0 = load i32 addrspace(1)* %in, align 4
26 %arrayidx1 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 %0
27 store i32 4, i32* %arrayidx1, align 4
28 %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %in, i32 1
29 %1 = load i32 addrspace(1)* %arrayidx2, align 4
30 %arrayidx3 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 %1
31 store i32 5, i32* %arrayidx3, align 4
32 %arrayidx10 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 0
33 %2 = load i32* %arrayidx10, align 4
34 store i32 %2, i32 addrspace(1)* %out, align 4
35 %arrayidx12 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 1
36 %3 = load i32* %arrayidx12
37 %arrayidx13 = getelementptr inbounds i32 addrspace(1)* %out, i32 1
38 store i32 %3, i32 addrspace(1)* %arrayidx13
42 ; This test checks that the stack offset is calculated correctly for structs.
43 ; All register loads/stores should be optimized away, so there shouldn't be
44 ; any MOVA instructions.
46 ; XXX: This generated code has unnecessary MOVs, we should be able to optimize
49 ; R600-CHECK-LABEL: @multiple_structs
50 ; R600-CHECK-NOT: MOVA_INT
51 ; SI-CHECK-LABEL: @multiple_structs
52 ; SI-CHECK-NOT: V_MOVREL
53 %struct.point = type { i32, i32 }
55 define void @multiple_structs(i32 addrspace(1)* %out) {
57 %a = alloca %struct.point
58 %b = alloca %struct.point
59 %a.x.ptr = getelementptr %struct.point* %a, i32 0, i32 0
60 %a.y.ptr = getelementptr %struct.point* %a, i32 0, i32 1
61 %b.x.ptr = getelementptr %struct.point* %b, i32 0, i32 0
62 %b.y.ptr = getelementptr %struct.point* %b, i32 0, i32 1
63 store i32 0, i32* %a.x.ptr
64 store i32 1, i32* %a.y.ptr
65 store i32 2, i32* %b.x.ptr
66 store i32 3, i32* %b.y.ptr
67 %a.indirect.ptr = getelementptr %struct.point* %a, i32 0, i32 0
68 %b.indirect.ptr = getelementptr %struct.point* %b, i32 0, i32 0
69 %a.indirect = load i32* %a.indirect.ptr
70 %b.indirect = load i32* %b.indirect.ptr
71 %0 = add i32 %a.indirect, %b.indirect
72 store i32 %0, i32 addrspace(1)* %out
76 ; Test direct access of a private array inside a loop. The private array
77 ; loads and stores should be lowered to copies, so there shouldn't be any
80 ; R600-CHECK-LABEL: @direct_loop
81 ; R600-CHECK-NOT: MOVA_INT
82 ; SI-CHECK-LABEL: @direct_loop
83 ; SI-CHECK-NOT: V_MOVREL
85 define void @direct_loop(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
87 %prv_array_const = alloca [2 x i32]
88 %prv_array = alloca [2 x i32]
89 %a = load i32 addrspace(1)* %in
90 %b_src_ptr = getelementptr i32 addrspace(1)* %in, i32 1
91 %b = load i32 addrspace(1)* %b_src_ptr
92 %a_dst_ptr = getelementptr [2 x i32]* %prv_array_const, i32 0, i32 0
93 store i32 %a, i32* %a_dst_ptr
94 %b_dst_ptr = getelementptr [2 x i32]* %prv_array_const, i32 0, i32 1
95 store i32 %b, i32* %b_dst_ptr
99 %inc = phi i32 [0, %entry], [%count, %for.body]
100 %x_ptr = getelementptr [2 x i32]* %prv_array_const, i32 0, i32 0
101 %x = load i32* %x_ptr
102 %y_ptr = getelementptr [2 x i32]* %prv_array, i32 0, i32 0
103 %y = load i32* %y_ptr
105 store i32 %xy, i32* %y_ptr
106 %count = add i32 %inc, 1
107 %done = icmp eq i32 %count, 4095
108 br i1 %done, label %for.end, label %for.body
111 %value_ptr = getelementptr [2 x i32]* %prv_array, i32 0, i32 0
112 %value = load i32* %value_ptr
113 store i32 %value, i32 addrspace(1)* %out