1 ; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -infer-address-spaces %s | FileCheck %s
3 ; Test that pure GetElementPtr instructions not directly connected to
4 ; a memory operation are inferred.
6 @lds = internal unnamed_addr addrspace(3) global [648 x double] undef, align 8
8 ; CHECK-LABEL: @simplified_constexpr_gep_addrspacecast(
9 ; CHECK: %gep0 = getelementptr inbounds double, double addrspace(3)* getelementptr inbounds ([648 x double], [648 x double] addrspace(3)* @lds, i64 0, i64 384), i64 %idx0
10 ; CHECK-NEXT: store double 1.000000e+00, double addrspace(3)* %gep0, align 8
11 define void @simplified_constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
12 %gep0 = getelementptr inbounds double, double* addrspacecast (double addrspace(3)* getelementptr inbounds ([648 x double], [648 x double] addrspace(3)* @lds, i64 0, i64 384) to double*), i64 %idx0
13 %asc = addrspacecast double* %gep0 to double addrspace(3)*
14 store double 1.000000e+00, double addrspace(3)* %asc, align 8
18 ; CHECK-LABEL: @constexpr_gep_addrspacecast(
19 ; CHECK-NEXT: %gep0 = getelementptr inbounds double, double addrspace(3)* getelementptr inbounds ([648 x double], [648 x double] addrspace(3)* @lds, i64 0, i64 384), i64 %idx0
20 ; CHECK-NEXT: store double 1.000000e+00, double addrspace(3)* %gep0, align 8
21 define void @constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
22 %gep0 = getelementptr inbounds double, double* getelementptr ([648 x double], [648 x double]* addrspacecast ([648 x double] addrspace(3)* @lds to [648 x double]*), i64 0, i64 384), i64 %idx0
23 %asc = addrspacecast double* %gep0 to double addrspace(3)*
24 store double 1.0, double addrspace(3)* %asc, align 8
28 ; CHECK-LABEL: @constexpr_gep_gep_addrspacecast(
29 ; CHECK: %gep0 = getelementptr inbounds double, double addrspace(3)* getelementptr inbounds ([648 x double], [648 x double] addrspace(3)* @lds, i64 0, i64 384), i64 %idx0
30 ; CHECK-NEXT: %gep1 = getelementptr inbounds double, double addrspace(3)* %gep0, i64 %idx1
31 ; CHECK-NEXT: store double 1.000000e+00, double addrspace(3)* %gep1, align 8
32 define void @constexpr_gep_gep_addrspacecast(i64 %idx0, i64 %idx1) {
33 %gep0 = getelementptr inbounds double, double* getelementptr ([648 x double], [648 x double]* addrspacecast ([648 x double] addrspace(3)* @lds to [648 x double]*), i64 0, i64 384), i64 %idx0
34 %gep1 = getelementptr inbounds double, double* %gep0, i64 %idx1
35 %asc = addrspacecast double* %gep1 to double addrspace(3)*
36 store double 1.0, double addrspace(3)* %asc, align 8
41 ; CHECK-LABEL: @vector_gep(
42 ; CHECK: %cast = addrspacecast <4 x [1024 x i32] addrspace(3)*> %array to <4 x [1024 x i32]*>
43 define amdgpu_kernel void @vector_gep(<4 x [1024 x i32] addrspace(3)*> %array) nounwind {
44 %cast = addrspacecast <4 x [1024 x i32] addrspace(3)*> %array to <4 x [1024 x i32]*>
45 %p = getelementptr [1024 x i32], <4 x [1024 x i32]*> %cast, <4 x i16> zeroinitializer, <4 x i16> <i16 16, i16 16, i16 16, i16 16>
46 %p0 = extractelement <4 x i32*> %p, i32 0
47 %p1 = extractelement <4 x i32*> %p, i32 1
48 %p2 = extractelement <4 x i32*> %p, i32 2
49 %p3 = extractelement <4 x i32*> %p, i32 3
50 store i32 99, i32* %p0
51 store i32 99, i32* %p1
52 store i32 99, i32* %p2
53 store i32 99, i32* %p3
57 ; CHECK-LABEL: @repeated_constexpr_gep_addrspacecast(
58 ; CHECK-NEXT: %gep0 = getelementptr inbounds double, double addrspace(3)* getelementptr inbounds ([648 x double], [648 x double] addrspace(3)* @lds, i64 0, i64 384), i64 %idx0
59 ; CHECK-NEXT: store double 1.000000e+00, double addrspace(3)* %gep0, align 8
60 ; CHECK-NEXT: %gep1 = getelementptr inbounds double, double addrspace(3)* getelementptr inbounds ([648 x double], [648 x double] addrspace(3)* @lds, i64 0, i64 384), i64 %idx1
61 ; CHECK-NEXT: store double 1.000000e+00, double addrspace(3)* %gep1, align 8
62 ; CHECK-NEXT: ret void
63 define void @repeated_constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
64 %gep0 = getelementptr inbounds double, double* getelementptr ([648 x double], [648 x double]* addrspacecast ([648 x double] addrspace(3)* @lds to [648 x double]*), i64 0, i64 384), i64 %idx0
65 %asc0 = addrspacecast double* %gep0 to double addrspace(3)*
66 store double 1.0, double addrspace(3)* %asc0, align 8
68 %gep1 = getelementptr inbounds double, double* getelementptr ([648 x double], [648 x double]* addrspacecast ([648 x double] addrspace(3)* @lds to [648 x double]*), i64 0, i64 384), i64 %idx1
69 %asc1 = addrspacecast double* %gep1 to double addrspace(3)*
70 store double 1.0, double addrspace(3)* %asc1, align 8
75 ; CHECK-LABEL: @unorder_constexpr_gep_bitcast(
76 ; CHECK-NEXT: %x0 = load i32, i32 addrspace(3)* bitcast ([648 x double] addrspace(3)* @lds to i32 addrspace(3)*), align 4
77 ; CHECK-NEXT: %x1 = load i32, i32 addrspace(3)* getelementptr (i32, i32 addrspace(3)* bitcast ([648 x double] addrspace(3)* @lds to i32 addrspace(3)*), i32 1), align 4
78 define void @unorder_constexpr_gep_bitcast() {
79 %x0 = load i32, i32* bitcast ([648 x double]* addrspacecast ([648 x double] addrspace(3)* @lds to [648 x double]*) to i32*), align 4
80 %x1 = load i32, i32* getelementptr (i32, i32* bitcast ([648 x double]* addrspacecast ([648 x double] addrspace(3)* @lds to [648 x double]*) to i32*), i32 1), align 4
81 call void @use(i32 %x0, i32 %x1)
85 declare void @use(i32, i32)