forked from OSchip/llvm-project
557 lines
20 KiB
LLVM
557 lines
20 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
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; GCN-LABEL: {{^}}bfe_i32_arg_arg_arg:
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; GCN: v_bfe_i32
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define amdgpu_kernel void @bfe_i32_arg_arg_arg(i32 addrspace(1)* %out, i32 %src0, i32 %src1, i32 %src2) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 %src0, i32 %src1, i32 %src1)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_arg_arg_imm:
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; GCN: v_bfe_i32
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define amdgpu_kernel void @bfe_i32_arg_arg_imm(i32 addrspace(1)* %out, i32 %src0, i32 %src1) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 %src0, i32 %src1, i32 123)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_arg_imm_arg:
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; GCN: v_bfe_i32
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define amdgpu_kernel void @bfe_i32_arg_imm_arg(i32 addrspace(1)* %out, i32 %src0, i32 %src2) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 %src0, i32 123, i32 %src2)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_imm_arg_arg:
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; GCN: v_bfe_i32
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define amdgpu_kernel void @bfe_i32_imm_arg_arg(i32 addrspace(1)* %out, i32 %src1, i32 %src2) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 123, i32 %src1, i32 %src2)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}v_bfe_print_arg:
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; GCN: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 2, 8
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define amdgpu_kernel void @v_bfe_print_arg(i32 addrspace(1)* %out, i32 addrspace(1)* %src0) #0 {
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%load = load i32, i32 addrspace(1)* %src0, align 4
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 %load, i32 2, i32 8)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_arg_0_width_reg_offset:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_arg_0_width_reg_offset(i32 addrspace(1)* %out, i32 %src0, i32 %src1) #0 {
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%bfe_u32 = call i32 @llvm.amdgcn.sbfe.i32(i32 %src0, i32 %src1, i32 0)
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store i32 %bfe_u32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_arg_0_width_imm_offset:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_arg_0_width_imm_offset(i32 addrspace(1)* %out, i32 %src0, i32 %src1) #0 {
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%bfe_u32 = call i32 @llvm.amdgcn.sbfe.i32(i32 %src0, i32 8, i32 0)
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store i32 %bfe_u32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_test_6:
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; GCN: v_lshlrev_b32_e32 v{{[0-9]+}}, 31, v{{[0-9]+}}
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; GCN: v_ashrrev_i32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_test_6(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
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%x = load i32, i32 addrspace(1)* %in, align 4
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%shl = shl i32 %x, 31
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%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %shl, i32 1, i32 31)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_test_7:
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; GCN-NOT: shl
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_test_7(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
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%x = load i32, i32 addrspace(1)* %in, align 4
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%shl = shl i32 %x, 31
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%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %shl, i32 0, i32 31)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_test_8:
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; GCN: buffer_load_dword
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; GCN: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 0, 1
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_test_8(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
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%x = load i32, i32 addrspace(1)* %in, align 4
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%shl = shl i32 %x, 31
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%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %shl, i32 31, i32 1)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_test_9:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_ashrrev_i32_e32 v{{[0-9]+}}, 31, v{{[0-9]+}}
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; GCN-NOT: {{[^@]}}bfe
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_test_9(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
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%x = load i32, i32 addrspace(1)* %in, align 4
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%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %x, i32 31, i32 1)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_test_10:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_ashrrev_i32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
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; GCN-NOT: {{[^@]}}bfe
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_test_10(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
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%x = load i32, i32 addrspace(1)* %in, align 4
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%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %x, i32 1, i32 31)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_test_11:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_ashrrev_i32_e32 v{{[0-9]+}}, 8, v{{[0-9]+}}
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; GCN-NOT: {{[^@]}}bfe
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_test_11(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
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%x = load i32, i32 addrspace(1)* %in, align 4
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%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %x, i32 8, i32 24)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_test_12:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_ashrrev_i32_e32 v{{[0-9]+}}, 24, v{{[0-9]+}}
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; GCN-NOT: {{[^@]}}bfe
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_test_12(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
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%x = load i32, i32 addrspace(1)* %in, align 4
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%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %x, i32 24, i32 8)
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store i32 %bfe, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_test_13:
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; GCN: v_ashrrev_i32_e32 {{v[0-9]+}}, 31, {{v[0-9]+}}
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; GCN-NOT: {{[^@]}}bfe
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_test_13(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
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%x = load i32, i32 addrspace(1)* %in, align 4
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%shl = ashr i32 %x, 31
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%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %shl, i32 31, i32 1)
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store i32 %bfe, i32 addrspace(1)* %out, align 4 ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_test_14:
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; GCN-NOT: lshr
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; GCN-NOT: {{[^@]}}bfe
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_test_14(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
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%x = load i32, i32 addrspace(1)* %in, align 4
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%shl = lshr i32 %x, 31
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%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %shl, i32 31, i32 1)
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store i32 %bfe, i32 addrspace(1)* %out, align 4 ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_0:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_0(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 0, i32 0, i32 0)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_1:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_1(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 12334, i32 0, i32 0)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_2:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_2(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 0, i32 0, i32 1)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_3:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], -1
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_3(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 1, i32 0, i32 1)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_4:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], -1
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_4(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 4294967295, i32 0, i32 1)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_5:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], -1
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_5(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 128, i32 7, i32 1)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_6:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0xffffff80
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_6(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 128, i32 0, i32 8)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_7:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0x7f
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_7(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 127, i32 0, i32 8)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_8:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 1
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_8(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 127, i32 6, i32 8)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_9:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 1
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_9(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 65536, i32 16, i32 8)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_10:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_10(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 65535, i32 16, i32 16)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_11:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], -6
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_11(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 160, i32 4, i32 4)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_12:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_12(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 160, i32 31, i32 1)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_13:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 1
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; GCN: buffer_store_dword [[VREG]],
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; GCN: s_endpgm
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define amdgpu_kernel void @bfe_i32_constant_fold_test_13(i32 addrspace(1)* %out) #0 {
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%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 131070, i32 16, i32 16)
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store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_14:
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; GCN-NOT: {{[^@]}}bfe
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; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 40
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; GCN: buffer_store_dword [[VREG]],
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @bfe_i32_constant_fold_test_14(i32 addrspace(1)* %out) #0 {
|
|
%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 160, i32 2, i32 30)
|
|
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_15:
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 10
|
|
; GCN: buffer_store_dword [[VREG]],
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @bfe_i32_constant_fold_test_15(i32 addrspace(1)* %out) #0 {
|
|
%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 160, i32 4, i32 28)
|
|
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_16:
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], -1
|
|
; GCN: buffer_store_dword [[VREG]],
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @bfe_i32_constant_fold_test_16(i32 addrspace(1)* %out) #0 {
|
|
%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 4294967295, i32 1, i32 7)
|
|
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_17:
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0x7f
|
|
; GCN: buffer_store_dword [[VREG]],
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @bfe_i32_constant_fold_test_17(i32 addrspace(1)* %out) #0 {
|
|
%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 255, i32 1, i32 31)
|
|
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}bfe_i32_constant_fold_test_18:
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: v_mov_b32_e32 [[VREG:v[0-9]+]], 0
|
|
; GCN: buffer_store_dword [[VREG]],
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @bfe_i32_constant_fold_test_18(i32 addrspace(1)* %out) #0 {
|
|
%bfe_i32 = call i32 @llvm.amdgcn.sbfe.i32(i32 255, i32 31, i32 1)
|
|
store i32 %bfe_i32, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}bfe_sext_in_reg_i24:
|
|
; GCN: buffer_load_dword [[LOAD:v[0-9]+]],
|
|
; GCN-NOT: v_lshl
|
|
; GCN-NOT: v_ashr
|
|
; GCN: v_bfe_i32 [[BFE:v[0-9]+]], [[LOAD]], 0, 24
|
|
; GCN: buffer_store_dword [[BFE]],
|
|
define amdgpu_kernel void @bfe_sext_in_reg_i24(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
|
|
%x = load i32, i32 addrspace(1)* %in, align 4
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %x, i32 0, i32 24)
|
|
%shl = shl i32 %bfe, 8
|
|
%ashr = ashr i32 %shl, 8
|
|
store i32 %ashr, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: @simplify_demanded_bfe_sdiv
|
|
; GCN: buffer_load_dword [[LOAD:v[0-9]+]]
|
|
; GCN: v_bfe_i32 [[BFE:v[0-9]+]], [[LOAD]], 1, 16
|
|
; GCN: v_lshrrev_b32_e32 [[TMP0:v[0-9]+]], 31, [[BFE]]
|
|
; GCN: v_add_i32_e32 [[TMP1:v[0-9]+]], vcc, [[TMP0]], [[BFE]]
|
|
; GCN: v_ashrrev_i32_e32 [[TMP2:v[0-9]+]], 1, [[TMP1]]
|
|
; GCN: buffer_store_dword [[TMP2]]
|
|
define amdgpu_kernel void @simplify_demanded_bfe_sdiv(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
|
|
%src = load i32, i32 addrspace(1)* %in, align 4
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %src, i32 1, i32 16)
|
|
%div = sdiv i32 %bfe, 2
|
|
store i32 %div, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}bfe_0_width:
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @bfe_0_width(i32 addrspace(1)* %out, i32 addrspace(1)* %ptr) #0 {
|
|
%load = load i32, i32 addrspace(1)* %ptr, align 4
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %load, i32 8, i32 0)
|
|
store i32 %bfe, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}bfe_8_bfe_8:
|
|
; GCN: v_bfe_i32
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @bfe_8_bfe_8(i32 addrspace(1)* %out, i32 addrspace(1)* %ptr) #0 {
|
|
%load = load i32, i32 addrspace(1)* %ptr, align 4
|
|
%bfe0 = call i32 @llvm.amdgcn.sbfe.i32(i32 %load, i32 0, i32 8)
|
|
%bfe1 = call i32 @llvm.amdgcn.sbfe.i32(i32 %bfe0, i32 0, i32 8)
|
|
store i32 %bfe1, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}bfe_8_bfe_16:
|
|
; GCN: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 0, 8
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @bfe_8_bfe_16(i32 addrspace(1)* %out, i32 addrspace(1)* %ptr) #0 {
|
|
%load = load i32, i32 addrspace(1)* %ptr, align 4
|
|
%bfe0 = call i32 @llvm.amdgcn.sbfe.i32(i32 %load, i32 0, i32 8)
|
|
%bfe1 = call i32 @llvm.amdgcn.sbfe.i32(i32 %bfe0, i32 0, i32 16)
|
|
store i32 %bfe1, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; This really should be folded into 1
|
|
; GCN-LABEL: {{^}}bfe_16_bfe_8:
|
|
; GCN: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 0, 8
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @bfe_16_bfe_8(i32 addrspace(1)* %out, i32 addrspace(1)* %ptr) #0 {
|
|
%load = load i32, i32 addrspace(1)* %ptr, align 4
|
|
%bfe0 = call i32 @llvm.amdgcn.sbfe.i32(i32 %load, i32 0, i32 16)
|
|
%bfe1 = call i32 @llvm.amdgcn.sbfe.i32(i32 %bfe0, i32 0, i32 8)
|
|
store i32 %bfe1, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; Make sure there isn't a redundant BFE
|
|
; GCN-LABEL: {{^}}sext_in_reg_i8_to_i32_bfe:
|
|
; GCN: s_sext_i32_i8 s{{[0-9]+}}, s{{[0-9]+}}
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @sext_in_reg_i8_to_i32_bfe(i32 addrspace(1)* %out, i32 %a, i32 %b) #0 {
|
|
%c = add i32 %a, %b ; add to prevent folding into extload
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %c, i32 0, i32 8)
|
|
%shl = shl i32 %bfe, 24
|
|
%ashr = ashr i32 %shl, 24
|
|
store i32 %ashr, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}sext_in_reg_i8_to_i32_bfe_wrong:
|
|
define amdgpu_kernel void @sext_in_reg_i8_to_i32_bfe_wrong(i32 addrspace(1)* %out, i32 %a, i32 %b) #0 {
|
|
%c = add i32 %a, %b ; add to prevent folding into extload
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %c, i32 8, i32 0)
|
|
%shl = shl i32 %bfe, 24
|
|
%ashr = ashr i32 %shl, 24
|
|
store i32 %ashr, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}sextload_i8_to_i32_bfe:
|
|
; GCN: buffer_load_sbyte
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @sextload_i8_to_i32_bfe(i32 addrspace(1)* %out, i8 addrspace(1)* %ptr) #0 {
|
|
%load = load i8, i8 addrspace(1)* %ptr, align 1
|
|
%sext = sext i8 %load to i32
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %sext, i32 0, i32 8)
|
|
%shl = shl i32 %bfe, 24
|
|
%ashr = ashr i32 %shl, 24
|
|
store i32 %ashr, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN: .text
|
|
; GCN-LABEL: {{^}}sextload_i8_to_i32_bfe_0:{{.*$}}
|
|
; GCN-NOT: {{[^@]}}bfe
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @sextload_i8_to_i32_bfe_0(i32 addrspace(1)* %out, i8 addrspace(1)* %ptr) #0 {
|
|
%load = load i8, i8 addrspace(1)* %ptr, align 1
|
|
%sext = sext i8 %load to i32
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %sext, i32 8, i32 0)
|
|
%shl = shl i32 %bfe, 24
|
|
%ashr = ashr i32 %shl, 24
|
|
store i32 %ashr, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}sext_in_reg_i1_bfe_offset_0:
|
|
; GCN-NOT: shr
|
|
; GCN-NOT: shl
|
|
; GCN: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 0, 1
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @sext_in_reg_i1_bfe_offset_0(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
|
|
%x = load i32, i32 addrspace(1)* %in, align 4
|
|
%shl = shl i32 %x, 31
|
|
%shr = ashr i32 %shl, 31
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %shr, i32 0, i32 1)
|
|
store i32 %bfe, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}sext_in_reg_i1_bfe_offset_1:
|
|
; GCN: buffer_load_dword
|
|
; GCN-NOT: shl
|
|
; GCN-NOT: shr
|
|
; GCN: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 1, 1
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @sext_in_reg_i1_bfe_offset_1(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
|
|
%x = load i32, i32 addrspace(1)* %in, align 4
|
|
%shl = shl i32 %x, 30
|
|
%shr = ashr i32 %shl, 30
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %shr, i32 1, i32 1)
|
|
store i32 %bfe, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}sext_in_reg_i2_bfe_offset_1:
|
|
; GCN: buffer_load_dword
|
|
; GCN-NOT: v_lshl
|
|
; GCN-NOT: v_ashr
|
|
; GCN: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 0, 2
|
|
; GCN: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 1, 2
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @sext_in_reg_i2_bfe_offset_1(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
|
|
%x = load i32, i32 addrspace(1)* %in, align 4
|
|
%shl = shl i32 %x, 30
|
|
%shr = ashr i32 %shl, 30
|
|
%bfe = call i32 @llvm.amdgcn.sbfe.i32(i32 %shr, i32 1, i32 2)
|
|
store i32 %bfe, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
declare i32 @llvm.amdgcn.sbfe.i32(i32, i32, i32) #1
|
|
|
|
attributes #0 = { nounwind }
|
|
attributes #1 = { nounwind readnone }
|