forked from OSchip/llvm-project
73 lines
2.9 KiB
LLVM
73 lines
2.9 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
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; GCN-LABEL: {{^}}fptrunc_f32_to_f16
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; GCN: buffer_load_dword v[[A_F32:[0-9]+]]
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; GCN: v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[A_F32]]
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; GCN: buffer_store_short v[[R_F16]]
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; GCN: s_endpgm
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define void @fptrunc_f32_to_f16(
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half addrspace(1)* %r,
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float addrspace(1)* %a) {
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entry:
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%a.val = load float, float addrspace(1)* %a
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%r.val = fptrunc float %a.val to half
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store half %r.val, half addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fptrunc_f64_to_f16
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; GCN: buffer_load_dwordx2 v{{\[}}[[A_F64_0:[0-9]+]]:[[A_F64_1:[0-9]+]]{{\]}}
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; GCN: v_cvt_f32_f64_e32 v[[A_F32:[0-9]+]], v{{\[}}[[A_F64_0]]:[[A_F64_1]]{{\]}}
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; GCN: v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[A_F32]]
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; GCN: buffer_store_short v[[R_F16]]
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; GCN: s_endpgm
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define void @fptrunc_f64_to_f16(
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half addrspace(1)* %r,
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double addrspace(1)* %a) {
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entry:
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%a.val = load double, double addrspace(1)* %a
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%r.val = fptrunc double %a.val to half
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store half %r.val, half addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fptrunc_v2f32_to_v2f16
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; GCN: buffer_load_dwordx2 v{{\[}}[[A_F32_0:[0-9]+]]:[[A_F32_1:[0-9]+]]{{\]}}
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; GCN-DAG: v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[A_F32_0]]
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; GCN-DAG: v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[A_F32_1]]
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; GCN-DAG: v_and_b32_e32 v[[R_F16_LO:[0-9]+]], 0xffff, v[[R_F16_0]]
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; GCN-DAG: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
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; GCN: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_HI]], v[[R_F16_LO]]
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; GCN: buffer_store_dword v[[R_V2_F16]]
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; GCN: s_endpgm
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define void @fptrunc_v2f32_to_v2f16(
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<2 x half> addrspace(1)* %r,
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<2 x float> addrspace(1)* %a) {
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entry:
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%a.val = load <2 x float>, <2 x float> addrspace(1)* %a
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%r.val = fptrunc <2 x float> %a.val to <2 x half>
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store <2 x half> %r.val, <2 x half> addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fptrunc_v2f64_to_v2f16
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; GCN: buffer_load_dwordx4 v{{\[}}[[A_F64_0:[0-9]+]]:[[A_F64_3:[0-9]+]]{{\]}}
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; GCN: v_cvt_f32_f64_e32 v[[A_F32_0:[0-9]+]], v{{\[}}[[A_F64_0]]:{{[0-9]+}}{{\]}}
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; GCN: v_cvt_f32_f64_e32 v[[A_F32_1:[0-9]+]], v{{\[}}{{[0-9]+}}:[[A_F64_3]]{{\]}}
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; GCN: v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[A_F32_0]]
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; GCN: v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[A_F32_1]]
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; GCN: v_and_b32_e32 v[[R_F16_LO:[0-9]+]], 0xffff, v[[R_F16_0]]
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; GCN: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
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; GCN: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_HI]], v[[R_F16_LO]]
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; GCN: buffer_store_dword v[[R_V2_F16]]
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define void @fptrunc_v2f64_to_v2f16(
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<2 x half> addrspace(1)* %r,
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<2 x double> addrspace(1)* %a) {
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entry:
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%a.val = load <2 x double>, <2 x double> addrspace(1)* %a
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%r.val = fptrunc <2 x double> %a.val to <2 x half>
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store <2 x half> %r.val, <2 x half> addrspace(1)* %r
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ret void
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}
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