| ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s |
| ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN %s |
| |
| ; GCN-LABEL: {{^}}mac_vvv: |
| ; GCN: buffer_load_dword [[A:v[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0{{$}} |
| ; GCN: buffer_load_dword [[B:v[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0 offset:4 |
| ; GCN: buffer_load_dword [[C:v[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0 offset:8 |
| ; GCN: v_mac_f32_e32 [[C]], [[B]], [[A]] |
| ; GCN: buffer_store_dword [[C]] |
| define void @mac_vvv(float addrspace(1)* %out, float addrspace(1)* %in) { |
| entry: |
| %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 |
| %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 |
| |
| %a = load float, float addrspace(1)* %in |
| %b = load float, float addrspace(1)* %b_ptr |
| %c = load float, float addrspace(1)* %c_ptr |
| |
| %tmp0 = fmul float %a, %b |
| %tmp1 = fadd float %tmp0, %c |
| store float %tmp1, float addrspace(1)* %out |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}mad_inline_sgpr_inline: |
| ; GCN-NOT: v_mac_f32 |
| ; GCN: v_mad_f32 v{{[0-9]}}, 0.5, s{{[0-9]+}}, 0.5 |
| define void @mad_inline_sgpr_inline(float addrspace(1)* %out, float %in) { |
| entry: |
| %tmp0 = fmul float 0.5, %in |
| %tmp1 = fadd float %tmp0, 0.5 |
| store float %tmp1, float addrspace(1)* %out |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}mad_vvs: |
| ; GCN-NOT: v_mac_f32 |
| ; GCN: v_mad_f32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, s{{[0-9]+}} |
| define void @mad_vvs(float addrspace(1)* %out, float addrspace(1)* %in, float %c) { |
| entry: |
| %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 |
| |
| %a = load float, float addrspace(1)* %in |
| %b = load float, float addrspace(1)* %b_ptr |
| |
| %tmp0 = fmul float %a, %b |
| %tmp1 = fadd float %tmp0, %c |
| store float %tmp1, float addrspace(1)* %out |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}mac_ssv: |
| ; GCN: v_mac_f32_e64 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}} |
| define void @mac_ssv(float addrspace(1)* %out, float addrspace(1)* %in, float %a) { |
| entry: |
| %c = load float, float addrspace(1)* %in |
| |
| %tmp0 = fmul float %a, %a |
| %tmp1 = fadd float %tmp0, %c |
| store float %tmp1, float addrspace(1)* %out |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}mac_mad_same_add: |
| ; GCN: v_mad_f32 v{{[0-9]}}, v{{[0-9]+}}, v{{[0-9]+}}, [[ADD:v[0-9]+]] |
| ; GCN: v_mac_f32_e32 [[ADD]], v{{[0-9]+}}, v{{[0-9]+}} |
| define void @mac_mad_same_add(float addrspace(1)* %out, float addrspace(1)* %in) { |
| entry: |
| %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 |
| %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 |
| %d_ptr = getelementptr float, float addrspace(1)* %in, i32 3 |
| %e_ptr = getelementptr float, float addrspace(1)* %in, i32 4 |
| |
| %a = load float, float addrspace(1)* %in |
| %b = load float, float addrspace(1)* %b_ptr |
| %c = load float, float addrspace(1)* %c_ptr |
| %d = load float, float addrspace(1)* %d_ptr |
| %e = load float, float addrspace(1)* %e_ptr |
| |
| %tmp0 = fmul float %a, %b |
| %tmp1 = fadd float %tmp0, %c |
| |
| %tmp2 = fmul float %d, %e |
| %tmp3 = fadd float %tmp2, %c |
| |
| %out1 = getelementptr float, float addrspace(1)* %out, i32 1 |
| store float %tmp1, float addrspace(1)* %out |
| store float %tmp3, float addrspace(1)* %out1 |
| ret void |
| } |
| |
| ; There is no advantage to using v_mac when one of the operands is negated |
| ; and v_mad accepts more operand types. |
| |
| ; GCN-LABEL: {{^}}mad_neg_src0: |
| ; GCN-NOT: v_mac_f32 |
| ; GCN: v_mad_f32 v{{[0-9]+}}, -v{{[0-9]+}}, v{{[0-9]+}}, v{{[-0-9]}} |
| define void @mad_neg_src0(float addrspace(1)* %out, float addrspace(1)* %in) #0 { |
| entry: |
| %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 |
| %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 |
| |
| %a = load float, float addrspace(1)* %in |
| %b = load float, float addrspace(1)* %b_ptr |
| %c = load float, float addrspace(1)* %c_ptr |
| |
| %neg_a = fsub float 0.0, %a |
| %tmp0 = fmul float %neg_a, %b |
| %tmp1 = fadd float %tmp0, %c |
| |
| store float %tmp1, float addrspace(1)* %out |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}mad_neg_src1: |
| ; GCN-NOT: v_mac_f32 |
| ; GCN: v_mad_f32 v{{[0-9]+}}, -v{{[0-9]+}}, v{{[0-9]+}}, v{{[-0-9]}} |
| define void @mad_neg_src1(float addrspace(1)* %out, float addrspace(1)* %in) #0 { |
| entry: |
| %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 |
| %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 |
| |
| %a = load float, float addrspace(1)* %in |
| %b = load float, float addrspace(1)* %b_ptr |
| %c = load float, float addrspace(1)* %c_ptr |
| |
| %neg_b = fsub float 0.0, %b |
| %tmp0 = fmul float %a, %neg_b |
| %tmp1 = fadd float %tmp0, %c |
| |
| store float %tmp1, float addrspace(1)* %out |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}mad_neg_src2: |
| ; GCN-NOT: v_mac |
| ; GCN: v_mad_f32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, -v{{[-0-9]}} |
| define void @mad_neg_src2(float addrspace(1)* %out, float addrspace(1)* %in) #0 { |
| entry: |
| %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 |
| %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 |
| |
| %a = load float, float addrspace(1)* %in |
| %b = load float, float addrspace(1)* %b_ptr |
| %c = load float, float addrspace(1)* %c_ptr |
| |
| %neg_c = fsub float 0.0, %c |
| %tmp0 = fmul float %a, %b |
| %tmp1 = fadd float %tmp0, %neg_c |
| |
| store float %tmp1, float addrspace(1)* %out |
| ret void |
| } |
| |
| attributes #0 = { "true" "unsafe-fp-math"="true" } |