1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -instcombine -S | FileCheck %s
3
4target 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"
5target triple = "x86_64-pc-win32"
6
7%myStruct = type { float, [3 x float], [4 x float], i32 }
8
9; make sure that we are not crashing when creating an illegal type
10define void @func(%myStruct addrspace(1)* nocapture %p) nounwind {
11; CHECK-LABEL: @func(
12; CHECK-NEXT:    ret void
13;
14  %A = getelementptr inbounds %myStruct, %myStruct addrspace(1)* %p, i64 0
15  %B = addrspacecast %myStruct addrspace(1)* %A to %myStruct*
16  %C = getelementptr inbounds %myStruct, %myStruct* %B, i32 0, i32 1
17  %D = getelementptr inbounds [3 x float], [3 x float]* %C, i32 0, i32 2
18  %E = load float, float* %D, align 4
19  %F = fsub float %E, undef
20  ret void
21}
22
23@array = internal addrspace(3) global [256 x float] zeroinitializer, align 4
24@scalar = internal addrspace(3) global float 0.000000e+00, align 4
25
26define void @keep_necessary_addrspacecast(i64 %i, float** %out0, float** %out1) {
27; CHECK-LABEL: @keep_necessary_addrspacecast(
28; CHECK-NEXT:    [[T01:%.*]] = getelementptr [256 x float], [256 x float] addrspace(3)* @array, i64 0, i64 [[I:%.*]]
29; CHECK-NEXT:    [[T0:%.*]] = addrspacecast float addrspace(3)* [[T01]] to float*
30; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr float, float addrspace(3)* @scalar, i64 [[I]]
31; CHECK-NEXT:    [[T1:%.*]] = addrspacecast float addrspace(3)* [[TMP1]] to float*
32; CHECK-NEXT:    store float* [[T0]], float** [[OUT0:%.*]], align 4
33; CHECK-NEXT:    store float* [[T1]], float** [[OUT1:%.*]], align 4
34; CHECK-NEXT:    ret void
35;
36  %t0 = getelementptr [256 x float], [256 x float]* addrspacecast ([256 x float] addrspace(3)* @array to [256 x float]*), i64 0, i64 %i
37  %t1 = getelementptr [0 x float], [0 x float]* addrspacecast (float addrspace(3)* @scalar to [0 x float]*), i64 0, i64 %i
38  store float* %t0, float** %out0, align 4
39  store float* %t1, float** %out1, align 4
40  ret void
41}
42
43declare void @escape_alloca(i16*)
44
45; check that addrspacecast is stripped when trying to mark a GEP as inbounds
46define { i8, i8 } @inbounds_after_addrspacecast() {
47; CHECK-LABEL: @inbounds_after_addrspacecast(
48; CHECK-NEXT:    [[T0:%.*]] = alloca i16, align 2
49; CHECK-NEXT:    call void @escape_alloca(i16* nonnull [[T0]])
50; CHECK-NEXT:    [[TMPCAST:%.*]] = bitcast i16* [[T0]] to [2 x i8]*
51; CHECK-NEXT:    [[T1:%.*]] = addrspacecast [2 x i8]* [[TMPCAST]] to [2 x i8] addrspace(11)*
52; CHECK-NEXT:    [[T2:%.*]] = getelementptr inbounds [2 x i8], [2 x i8] addrspace(11)* [[T1]], i64 0, i64 1
53; CHECK-NEXT:    [[T3:%.*]] = load i8, i8 addrspace(11)* [[T2]], align 1
54; CHECK-NEXT:    [[INSERT:%.*]] = insertvalue { i8, i8 } zeroinitializer, i8 [[T3]], 1
55; CHECK-NEXT:    ret { i8, i8 } [[INSERT]]
56;
57  %t0 = alloca i16, align 2
58  call void @escape_alloca(i16* %t0)
59  %tmpcast = bitcast i16* %t0 to [2 x i8]*
60  %t1 = addrspacecast [2 x i8]* %tmpcast to [2 x i8] addrspace(11)*
61  %t2 = getelementptr [2 x i8], [2 x i8] addrspace(11)* %t1, i64 0, i64 1
62  %t3 = load i8, i8 addrspace(11)* %t2, align 1
63  %insert = insertvalue { i8, i8 } zeroinitializer, i8 %t3, 1
64  ret { i8, i8 } %insert
65}
66
67
68declare spir_func <16 x i32> @my_extern_func()
69
70; check that a bitcast is not generated when we need an addrspace cast
71define void @bitcast_after_gep(<16 x i32>* %t0) {
72; CHECK-LABEL: @bitcast_after_gep(
73; CHECK-NEXT:    [[T4:%.*]] = addrspacecast <16 x i32>* [[T0:%.*]] to <16 x i32> addrspace(3)*
74; CHECK-NEXT:    [[CALL:%.*]] = call spir_func <16 x i32> @my_extern_func()
75; CHECK-NEXT:    store <16 x i32> [[CALL]], <16 x i32> addrspace(3)* [[T4]], align 64
76; CHECK-NEXT:    ret void
77;
78  %t1 = bitcast <16 x i32>* %t0 to [16 x i32]*
79  %t2 = addrspacecast [16 x i32]* %t1 to [16 x i32] addrspace(3)*
80  %t3 = getelementptr inbounds [16 x i32], [16 x i32] addrspace(3)* %t2, i64 0, i64 0
81  %t4 = bitcast i32 addrspace(3)* %t3 to <16 x i32> addrspace(3)*
82  %call = call spir_func <16 x i32> @my_extern_func()
83  store <16 x i32> %call, <16 x i32> addrspace(3)* %t4
84  ret void
85}
86