forked from OSchip/llvm-project
130 lines
4.0 KiB
LLVM
130 lines
4.0 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,SI %s
|
|
; RUN: llc -march=amdgcn -mcpu=hawaii -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,NOSI %s
|
|
|
|
@compute_lds = external addrspace(3) global [512 x i32], align 16
|
|
|
|
; GCN-LABEL: {{^}}store_aligned:
|
|
; GCN: ds_write_b64
|
|
define amdgpu_cs void @store_aligned(i32 addrspace(3)* %ptr) #0 {
|
|
entry:
|
|
%ptr.gep.1 = getelementptr i32, i32 addrspace(3)* %ptr, i32 1
|
|
|
|
store i32 42, i32 addrspace(3)* %ptr, align 8
|
|
store i32 43, i32 addrspace(3)* %ptr.gep.1
|
|
ret void
|
|
}
|
|
|
|
|
|
; GCN-LABEL: {{^}}load_aligned:
|
|
; GCN: ds_read_b64
|
|
define amdgpu_cs <2 x float> @load_aligned(i32 addrspace(3)* %ptr) #0 {
|
|
entry:
|
|
%ptr.gep.1 = getelementptr i32, i32 addrspace(3)* %ptr, i32 1
|
|
|
|
%v.0 = load i32, i32 addrspace(3)* %ptr, align 8
|
|
%v.1 = load i32, i32 addrspace(3)* %ptr.gep.1
|
|
|
|
%r.0 = insertelement <2 x i32> undef, i32 %v.0, i32 0
|
|
%r.1 = insertelement <2 x i32> %r.0, i32 %v.1, i32 1
|
|
%bc = bitcast <2 x i32> %r.1 to <2 x float>
|
|
ret <2 x float> %bc
|
|
}
|
|
|
|
|
|
; GCN-LABEL: {{^}}store_global_const_idx:
|
|
; GCN: ds_write2_b32
|
|
define amdgpu_cs void @store_global_const_idx() #0 {
|
|
entry:
|
|
%ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 3
|
|
%ptr.b = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 4
|
|
|
|
store i32 42, i32 addrspace(3)* %ptr.a
|
|
store i32 43, i32 addrspace(3)* %ptr.b
|
|
ret void
|
|
}
|
|
|
|
|
|
; GCN-LABEL: {{^}}load_global_const_idx:
|
|
; GCN: ds_read2_b32
|
|
define amdgpu_cs <2 x float> @load_global_const_idx() #0 {
|
|
entry:
|
|
%ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 3
|
|
%ptr.b = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 4
|
|
|
|
%v.0 = load i32, i32 addrspace(3)* %ptr.a
|
|
%v.1 = load i32, i32 addrspace(3)* %ptr.b
|
|
|
|
%r.0 = insertelement <2 x i32> undef, i32 %v.0, i32 0
|
|
%r.1 = insertelement <2 x i32> %r.0, i32 %v.1, i32 1
|
|
%bc = bitcast <2 x i32> %r.1 to <2 x float>
|
|
ret <2 x float> %bc
|
|
}
|
|
|
|
|
|
; GCN-LABEL: {{^}}store_global_var_idx_case1:
|
|
; SI: ds_write_b32
|
|
; SI: ds_write_b32
|
|
; NOSI: ds_write2_b32
|
|
define amdgpu_cs void @store_global_var_idx_case1(i32 %idx) #0 {
|
|
entry:
|
|
%ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 %idx
|
|
%ptr.b = getelementptr i32, i32 addrspace(3)* %ptr.a, i32 1
|
|
|
|
store i32 42, i32 addrspace(3)* %ptr.a
|
|
store i32 43, i32 addrspace(3)* %ptr.b
|
|
ret void
|
|
}
|
|
|
|
|
|
; GCN-LABEL: {{^}}load_global_var_idx_case1:
|
|
; SI: ds_read_b32
|
|
; SI: ds_read_b32
|
|
; NOSI: ds_read2_b32
|
|
define amdgpu_cs <2 x float> @load_global_var_idx_case1(i32 %idx) #0 {
|
|
entry:
|
|
%ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 %idx
|
|
%ptr.b = getelementptr i32, i32 addrspace(3)* %ptr.a, i32 1
|
|
|
|
%v.0 = load i32, i32 addrspace(3)* %ptr.a
|
|
%v.1 = load i32, i32 addrspace(3)* %ptr.b
|
|
|
|
%r.0 = insertelement <2 x i32> undef, i32 %v.0, i32 0
|
|
%r.1 = insertelement <2 x i32> %r.0, i32 %v.1, i32 1
|
|
%bc = bitcast <2 x i32> %r.1 to <2 x float>
|
|
ret <2 x float> %bc
|
|
}
|
|
|
|
|
|
; GCN-LABEL: {{^}}store_global_var_idx_case2:
|
|
; GCN: ds_write2_b32
|
|
define amdgpu_cs void @store_global_var_idx_case2(i32 %idx) #0 {
|
|
entry:
|
|
%idx.and = and i32 %idx, 255
|
|
%ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 %idx.and
|
|
%ptr.b = getelementptr i32, i32 addrspace(3)* %ptr.a, i32 1
|
|
|
|
store i32 42, i32 addrspace(3)* %ptr.a
|
|
store i32 43, i32 addrspace(3)* %ptr.b
|
|
ret void
|
|
}
|
|
|
|
|
|
; GCN-LABEL: {{^}}load_global_var_idx_case2:
|
|
; GCN: ds_read2_b32
|
|
define amdgpu_cs <2 x float> @load_global_var_idx_case2(i32 %idx) #0 {
|
|
entry:
|
|
%idx.and = and i32 %idx, 255
|
|
%ptr.a = getelementptr [512 x i32], [512 x i32] addrspace(3)* @compute_lds, i32 0, i32 %idx.and
|
|
%ptr.b = getelementptr i32, i32 addrspace(3)* %ptr.a, i32 1
|
|
|
|
%v.0 = load i32, i32 addrspace(3)* %ptr.a
|
|
%v.1 = load i32, i32 addrspace(3)* %ptr.b
|
|
|
|
%r.0 = insertelement <2 x i32> undef, i32 %v.0, i32 0
|
|
%r.1 = insertelement <2 x i32> %r.0, i32 %v.1, i32 1
|
|
%bc = bitcast <2 x i32> %r.1 to <2 x float>
|
|
ret <2 x float> %bc
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|