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217 lines
7.1 KiB
217 lines
7.1 KiB
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN %s
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; GCN-LABEL: {{^}}mac_vvv:
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; GCN: buffer_load_dword [[A:v[0-9]+]], off, s[{{[0-9]+:[0-9]+}}], 0{{$}}
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; GCN: buffer_load_dword [[B:v[0-9]+]], off, s[{{[0-9]+:[0-9]+}}], 0 offset:4
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; GCN: buffer_load_dword [[C:v[0-9]+]], off, s[{{[0-9]+:[0-9]+}}], 0 offset:8
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; GCN: v_mac_f32_e32 [[C]], [[B]], [[A]]
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; GCN: buffer_store_dword [[C]]
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define void @mac_vvv(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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entry:
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%b_ptr = getelementptr float, float addrspace(1)* %in, i32 1
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%c_ptr = getelementptr float, float addrspace(1)* %in, i32 2
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%a = load volatile float, float addrspace(1)* %in
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%b = load volatile float, float addrspace(1)* %b_ptr
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%c = load volatile float, float addrspace(1)* %c_ptr
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%tmp0 = fmul float %a, %b
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%tmp1 = fadd float %tmp0, %c
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}mad_inline_sgpr_inline:
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; GCN-NOT: v_mac_f32
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; GCN: v_mad_f32 v{{[0-9]}}, s{{[0-9]+}}, 0.5, 0.5
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define void @mad_inline_sgpr_inline(float addrspace(1)* %out, float %in) #0 {
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entry:
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%tmp0 = fmul float 0.5, %in
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%tmp1 = fadd float %tmp0, 0.5
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}mad_vvs:
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; GCN-NOT: v_mac_f32
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; GCN: v_mad_f32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, s{{[0-9]+}}
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define void @mad_vvs(float addrspace(1)* %out, float addrspace(1)* %in, float %c) #0 {
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entry:
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%b_ptr = getelementptr float, float addrspace(1)* %in, i32 1
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%a = load float, float addrspace(1)* %in
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%b = load float, float addrspace(1)* %b_ptr
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%tmp0 = fmul float %a, %b
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%tmp1 = fadd float %tmp0, %c
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}mac_ssv:
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; GCN: v_mac_f32_e64 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
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define void @mac_ssv(float addrspace(1)* %out, float addrspace(1)* %in, float %a) #0 {
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entry:
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%c = load float, float addrspace(1)* %in
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%tmp0 = fmul float %a, %a
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%tmp1 = fadd float %tmp0, %c
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}mac_mad_same_add:
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; GCN: v_mad_f32 v{{[0-9]}}, v{{[0-9]+}}, v{{[0-9]+}}, [[ADD:v[0-9]+]]
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; GCN: v_mac_f32_e32 [[ADD]], v{{[0-9]+}}, v{{[0-9]+}}
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define void @mac_mad_same_add(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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entry:
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%b_ptr = getelementptr float, float addrspace(1)* %in, i32 1
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%c_ptr = getelementptr float, float addrspace(1)* %in, i32 2
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%d_ptr = getelementptr float, float addrspace(1)* %in, i32 3
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%e_ptr = getelementptr float, float addrspace(1)* %in, i32 4
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%a = load volatile float, float addrspace(1)* %in
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%b = load volatile float, float addrspace(1)* %b_ptr
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%c = load volatile float, float addrspace(1)* %c_ptr
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%d = load volatile float, float addrspace(1)* %d_ptr
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%e = load volatile float, float addrspace(1)* %e_ptr
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%tmp0 = fmul float %a, %b
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%tmp1 = fadd float %tmp0, %c
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%tmp2 = fmul float %d, %e
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%tmp3 = fadd float %tmp2, %c
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%out1 = getelementptr float, float addrspace(1)* %out, i32 1
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store float %tmp1, float addrspace(1)* %out
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store float %tmp3, float addrspace(1)* %out1
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ret void
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}
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; There is no advantage to using v_mac when one of the operands is negated
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; and v_mad accepts more operand types.
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; GCN-LABEL: {{^}}mad_neg_src0:
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; GCN-NOT: v_mac_f32
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; GCN: v_mad_f32 v{{[0-9]+}}, -v{{[0-9]+}}, v{{[0-9]+}}, v{{[-0-9]}}
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define void @mad_neg_src0(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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entry:
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%b_ptr = getelementptr float, float addrspace(1)* %in, i32 1
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%c_ptr = getelementptr float, float addrspace(1)* %in, i32 2
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%a = load float, float addrspace(1)* %in
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%b = load float, float addrspace(1)* %b_ptr
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%c = load float, float addrspace(1)* %c_ptr
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%neg_a = fsub float -0.0, %a
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%tmp0 = fmul float %neg_a, %b
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%tmp1 = fadd float %tmp0, %c
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}unsafe_mad_sub0_src0:
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; GCN-NOT: v_mac_f32
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; GCN: v_mad_f32 v{{[0-9]+}}, -v{{[0-9]+}}, v{{[0-9]+}}, v{{[-0-9]}}
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define void @unsafe_mad_sub0_src0(float addrspace(1)* %out, float addrspace(1)* %in) #1 {
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entry:
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%b_ptr = getelementptr float, float addrspace(1)* %in, i32 1
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%c_ptr = getelementptr float, float addrspace(1)* %in, i32 2
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%a = load float, float addrspace(1)* %in
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%b = load float, float addrspace(1)* %b_ptr
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%c = load float, float addrspace(1)* %c_ptr
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%neg_a = fsub float 0.0, %a
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%tmp0 = fmul float %neg_a, %b
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%tmp1 = fadd float %tmp0, %c
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}safe_mad_sub0_src0:
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; GCN: v_sub_f32_e32 [[SUB0:v[0-9]+]], 0,
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; GCN: v_mac_f32_e32 v{{[0-9]+}}, v{{[0-9]+}}, [[SUB0]]
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define void @safe_mad_sub0_src0(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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entry:
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%b_ptr = getelementptr float, float addrspace(1)* %in, i32 1
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%c_ptr = getelementptr float, float addrspace(1)* %in, i32 2
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%a = load float, float addrspace(1)* %in
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%b = load float, float addrspace(1)* %b_ptr
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%c = load float, float addrspace(1)* %c_ptr
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%neg_a = fsub float 0.0, %a
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%tmp0 = fmul float %neg_a, %b
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%tmp1 = fadd float %tmp0, %c
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}mad_neg_src1:
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; GCN-NOT: v_mac_f32
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; GCN: v_mad_f32 v{{[0-9]+}}, -v{{[0-9]+}}, v{{[0-9]+}}, v{{[-0-9]}}
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define void @mad_neg_src1(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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entry:
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%b_ptr = getelementptr float, float addrspace(1)* %in, i32 1
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%c_ptr = getelementptr float, float addrspace(1)* %in, i32 2
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%a = load float, float addrspace(1)* %in
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%b = load float, float addrspace(1)* %b_ptr
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%c = load float, float addrspace(1)* %c_ptr
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%neg_b = fsub float -0.0, %b
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%tmp0 = fmul float %a, %neg_b
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%tmp1 = fadd float %tmp0, %c
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}unsafe_mad_sub0_src1:
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; GCN-NOT: v_mac_f32
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; GCN: v_mad_f32 v{{[0-9]+}}, -v{{[0-9]+}}, v{{[0-9]+}}, v{{[-0-9]}}
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define void @unsafe_mad_sub0_src1(float addrspace(1)* %out, float addrspace(1)* %in) #1 {
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entry:
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%b_ptr = getelementptr float, float addrspace(1)* %in, i32 1
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%c_ptr = getelementptr float, float addrspace(1)* %in, i32 2
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%a = load float, float addrspace(1)* %in
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%b = load float, float addrspace(1)* %b_ptr
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%c = load float, float addrspace(1)* %c_ptr
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%neg_b = fsub float 0.0, %b
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%tmp0 = fmul float %a, %neg_b
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%tmp1 = fadd float %tmp0, %c
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}mad_neg_src2:
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; GCN-NOT: v_mac
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; GCN: v_mad_f32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, -v{{[-0-9]}}
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define void @mad_neg_src2(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
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entry:
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%b_ptr = getelementptr float, float addrspace(1)* %in, i32 1
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%c_ptr = getelementptr float, float addrspace(1)* %in, i32 2
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%a = load float, float addrspace(1)* %in
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%b = load float, float addrspace(1)* %b_ptr
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%c = load float, float addrspace(1)* %c_ptr
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%neg_c = fsub float -0.0, %c
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%tmp0 = fmul float %a, %b
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%tmp1 = fadd float %tmp0, %neg_c
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store float %tmp1, float addrspace(1)* %out
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ret void
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}
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attributes #0 = { nounwind "unsafe-fp-math"="false" }
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attributes #1 = { nounwind "unsafe-fp-math"="true" }
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