forked from OSchip/llvm-project
510 lines
21 KiB
LLVM
510 lines
21 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -show-mc-encoding < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9 %s
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; RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,CIVI,VI %s
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; RUN: llc -march=amdgcn -mcpu=hawaii -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,CIVI,CI %s
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f16lo:
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; GFX9: v_mad_mix_f32 v0, v0, v1, v2 op_sel_hi:[1,1,1] ; encoding: [0x00,0x40,0xa0,0xd3,0x00,0x03,0x0a,0x1c]
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; VI: v_mac_f32
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; CI: v_mad_f32
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define float @v_mad_mix_f32_f16lo_f16lo_f16lo(half %src0, half %src1, half %src2) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%src2.ext = fpext half %src2 to float
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16hi_f16hi_f16hi_int:
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; GFX9: v_mad_mix_f32 v0, v0, v1, v2 op_sel:[1,1,1] op_sel_hi:[1,1,1] ; encoding
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; CIVI: v_mac_f32
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define float @v_mad_mix_f32_f16hi_f16hi_f16hi_int(i32 %src0, i32 %src1, i32 %src2) #0 {
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%src0.hi = lshr i32 %src0, 16
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%src1.hi = lshr i32 %src1, 16
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%src2.hi = lshr i32 %src2, 16
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%src0.i16 = trunc i32 %src0.hi to i16
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%src1.i16 = trunc i32 %src1.hi to i16
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%src2.i16 = trunc i32 %src2.hi to i16
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%src0.fp16 = bitcast i16 %src0.i16 to half
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%src1.fp16 = bitcast i16 %src1.i16 to half
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%src2.fp16 = bitcast i16 %src2.i16 to half
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%src0.ext = fpext half %src0.fp16 to float
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%src1.ext = fpext half %src1.fp16 to float
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%src2.ext = fpext half %src2.fp16 to float
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16hi_f16hi_f16hi_elt:
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; GFX9: v_mad_mix_f32 v0, v0, v1, v2 op_sel:[1,1,1] op_sel_hi:[1,1,1] ; encoding
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; VI: v_mac_f32
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; CI: v_mad_f32
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define float @v_mad_mix_f32_f16hi_f16hi_f16hi_elt(<2 x half> %src0, <2 x half> %src1, <2 x half> %src2) #0 {
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%src0.hi = extractelement <2 x half> %src0, i32 1
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%src1.hi = extractelement <2 x half> %src1, i32 1
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%src2.hi = extractelement <2 x half> %src2, i32 1
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%src0.ext = fpext half %src0.hi to float
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%src1.ext = fpext half %src1.hi to float
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%src2.ext = fpext half %src2.hi to float
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_v2f32:
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; GFX9: v_mov_b32_e32 v3, v1
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; GFX9-NEXT: v_mad_mix_f32 v1, v0, v3, v2 op_sel:[1,1,1] op_sel_hi:[1,1,1]
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; GFX9-NEXT: v_mad_mix_f32 v0, v0, v3, v2 op_sel_hi:[1,1,1]
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; CIVI: v_mac_f32
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define <2 x float> @v_mad_mix_v2f32(<2 x half> %src0, <2 x half> %src1, <2 x half> %src2) #0 {
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%src0.ext = fpext <2 x half> %src0 to <2 x float>
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%src1.ext = fpext <2 x half> %src1 to <2 x float>
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%src2.ext = fpext <2 x half> %src2 to <2 x float>
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%result = tail call <2 x float> @llvm.fmuladd.v2f32(<2 x float> %src0.ext, <2 x float> %src1.ext, <2 x float> %src2.ext)
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ret <2 x float> %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_v2f32_shuffle:
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; GCN: s_waitcnt
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; GFX9-NEXT: v_mov_b32_e32 v3, v1
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; GFX9-NEXT: v_mad_mix_f32 v1, v0, v3, v2 op_sel:[0,1,1] op_sel_hi:[1,1,1]
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; GFX9-NEXT: v_mad_mix_f32 v0, v0, v3, v2 op_sel:[1,0,1] op_sel_hi:[1,1,1]
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; GFX9-NEXT: s_setpc_b64
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; CIVI: v_mac_f32
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define <2 x float> @v_mad_mix_v2f32_shuffle(<2 x half> %src0, <2 x half> %src1, <2 x half> %src2) #0 {
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%src0.shuf = shufflevector <2 x half> %src0, <2 x half> undef, <2 x i32> <i32 1, i32 0>
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%src1.shuf = shufflevector <2 x half> %src1, <2 x half> undef, <2 x i32> <i32 0, i32 1>
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%src2.shuf = shufflevector <2 x half> %src2, <2 x half> undef, <2 x i32> <i32 1, i32 1>
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%src0.ext = fpext <2 x half> %src0.shuf to <2 x float>
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%src1.ext = fpext <2 x half> %src1.shuf to <2 x float>
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%src2.ext = fpext <2 x half> %src2.shuf to <2 x float>
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%result = tail call <2 x float> @llvm.fmuladd.v2f32(<2 x float> %src0.ext, <2 x float> %src1.ext, <2 x float> %src2.ext)
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ret <2 x float> %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_negf16lo_f16lo_f16lo:
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; GFX9: s_waitcnt
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; GFX9-NEXT: v_mad_mix_f32 v0, -v0, v1, v2 op_sel_hi:[1,1,1] ; encoding
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; GFX9-NEXT: s_setpc_b64
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; CIVI: v_mad_f32
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define float @v_mad_mix_f32_negf16lo_f16lo_f16lo(half %src0, half %src1, half %src2) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%src2.ext = fpext half %src2 to float
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%src0.ext.neg = fsub float -0.0, %src0.ext
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext.neg, float %src1.ext, float %src2.ext)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_absf16lo_f16lo_f16lo:
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; GFX9: v_mad_mix_f32 v0, |v0|, v1, v2 op_sel_hi:[1,1,1]
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; CIVI: v_mad_f32
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define float @v_mad_mix_f32_absf16lo_f16lo_f16lo(half %src0, half %src1, half %src2) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%src2.ext = fpext half %src2 to float
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%src0.ext.abs = call float @llvm.fabs.f32(float %src0.ext)
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext.abs, float %src1.ext, float %src2.ext)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_negabsf16lo_f16lo_f16lo:
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; GFX9: s_waitcnt
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; GFX9-NEXT: v_mad_mix_f32 v0, -|v0|, v1, v2 op_sel_hi:[1,1,1]
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; GFX9-NEXT: s_setpc_b64
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; CIVI: v_mad_f32
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define float @v_mad_mix_f32_negabsf16lo_f16lo_f16lo(half %src0, half %src1, half %src2) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%src2.ext = fpext half %src2 to float
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%src0.ext.abs = call float @llvm.fabs.f32(float %src0.ext)
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%src0.ext.neg.abs = fsub float -0.0, %src0.ext.abs
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext.neg.abs, float %src1.ext, float %src2.ext)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f32:
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; GCN: s_waitcnt
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; GFX9-NEXT: v_mad_mix_f32 v0, v0, v1, v2 op_sel_hi:[1,1,0] ; encoding
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; GFX9-NEXT: s_setpc_b64
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; CIVI: v_mad_f32
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define float @v_mad_mix_f32_f16lo_f16lo_f32(half %src0, half %src1, float %src2) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_negf32:
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; GCN: s_waitcnt
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; GFX9-NEXT: v_mad_mix_f32 v0, v0, v1, -v2 op_sel_hi:[1,1,0] ; encoding
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; GFX9-NEXT: s_setpc_b64
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; CIVI: v_mad_f32
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define float @v_mad_mix_f32_f16lo_f16lo_negf32(half %src0, half %src1, float %src2) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%src2.neg = fsub float -0.0, %src2
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.neg)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_absf32:
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; GCN: s_waitcnt
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; GFX9-NEXT: v_mad_mix_f32 v0, v0, v1, |v2| op_sel_hi:[1,1,0] ; encoding
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; GFX9-NEXT: s_setpc_b64
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; CIVI: v_mad_f32
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define float @v_mad_mix_f32_f16lo_f16lo_absf32(half %src0, half %src1, float %src2) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%src2.abs = call float @llvm.fabs.f32(float %src2)
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.abs)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_negabsf32:
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; GCN: s_waitcnt
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; GFX9-NEXT: v_mad_mix_f32 v0, v0, v1, -|v2| op_sel_hi:[1,1,0] ; encoding
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; GFX9-NEXT: s_setpc_b64
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; CIVI: v_mad_f32
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define float @v_mad_mix_f32_f16lo_f16lo_negabsf32(half %src0, half %src1, float %src2) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%src2.abs = call float @llvm.fabs.f32(float %src2)
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%src2.neg.abs = fsub float -0.0, %src2.abs
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.neg.abs)
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ret float %result
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}
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; TODO: Fold inline immediates. Need to be careful because it is an
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; f16 inline immediate that may be converted to f32, not an actual f32
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; inline immediate.
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f32imm1:
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; GCN: s_waitcnt
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; GFX9: v_mov_b32_e32 v2, 1.0
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; GFX9-NEXT: v_mad_mix_f32 v0, v0, v1, v2 op_sel_hi:[1,1,0] ; encoding
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; CIVI: v_mad_f32 v0, v0, v1, 1.0
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; GCN-NEXT: s_setpc_b64
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define float @v_mad_mix_f32_f16lo_f16lo_f32imm1(half %src0, half %src1) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float 1.0)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f32imminv2pi:
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; GCN: s_waitcnt
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; GFX9: v_mov_b32_e32 v2, 0.15915494
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; GFX9: v_mad_mix_f32 v0, v0, v1, v2 op_sel_hi:[1,1,0] ; encoding
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; VI: v_mad_f32 v0, v0, v1, 0.15915494
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define float @v_mad_mix_f32_f16lo_f16lo_f32imminv2pi(half %src0, half %src1) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float 0x3FC45F3060000000)
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ret float %result
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}
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; Attempt to break inline immediate folding. If the operand is
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; interpreted as f32, the inline immediate is really the f16 inline
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; imm value converted to f32.
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; fpext f16 1/2pi = 0x3e230000
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; f32 1/2pi = 0x3e22f983
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_cvtf16imminv2pi:
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; GFX9: v_mov_b32_e32 v2, 0x3e230000
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; GFX9: v_mad_mix_f32 v0, v0, v1, v2 op_sel_hi:[1,1,0] ; encoding
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; CIVI: v_madak_f32 v0, v0, v1, 0x3e230000
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define float @v_mad_mix_f32_f16lo_f16lo_cvtf16imminv2pi(half %src0, half %src1) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%src2 = fpext half 0xH3118 to float
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_cvtf16imm63:
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; GFX9: v_mov_b32_e32 v2, 0x367c0000
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; GFX9: v_mad_mix_f32 v0, v0, v1, v2 op_sel_hi:[1,1,0] ; encoding
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; CIVI: v_madak_f32 v0, v0, v1, 0x367c0000
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define float @v_mad_mix_f32_f16lo_f16lo_cvtf16imm63(half %src0, half %src1) #0 {
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%src0.ext = fpext half %src0 to float
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%src1.ext = fpext half %src1 to float
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%src2 = fpext half 0xH003F to float
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%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2)
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ret float %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_v2f32_f32imm1:
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; GFX9: v_mov_b32_e32 v2, v1
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; GFX9: v_mov_b32_e32 v3, 1.0
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; GFX9: v_mad_mix_f32 v1, v0, v2, v3 op_sel:[1,1,0] op_sel_hi:[1,1,0] ; encoding
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; GFX9: v_mad_mix_f32 v0, v0, v2, v3 op_sel_hi:[1,1,0] ; encoding
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define <2 x float> @v_mad_mix_v2f32_f32imm1(<2 x half> %src0, <2 x half> %src1) #0 {
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%src0.ext = fpext <2 x half> %src0 to <2 x float>
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%src1.ext = fpext <2 x half> %src1 to <2 x float>
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%result = tail call <2 x float> @llvm.fmuladd.v2f32(<2 x float> %src0.ext, <2 x float> %src1.ext, <2 x float> <float 1.0, float 1.0>)
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ret <2 x float> %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_v2f32_cvtf16imminv2pi:
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; GFX9: v_mov_b32_e32 v2, v1
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; GFX9: v_mov_b32_e32 v3, 0x3e230000
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; GFX9: v_mad_mix_f32 v1, v0, v2, v3 op_sel:[1,1,0] op_sel_hi:[1,1,0] ; encoding
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; GFX9: v_mad_mix_f32 v0, v0, v2, v3 op_sel_hi:[1,1,0] ; encoding
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define <2 x float> @v_mad_mix_v2f32_cvtf16imminv2pi(<2 x half> %src0, <2 x half> %src1) #0 {
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%src0.ext = fpext <2 x half> %src0 to <2 x float>
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%src1.ext = fpext <2 x half> %src1 to <2 x float>
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%src2 = fpext <2 x half> <half 0xH3118, half 0xH3118> to <2 x float>
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%result = tail call <2 x float> @llvm.fmuladd.v2f32(<2 x float> %src0.ext, <2 x float> %src1.ext, <2 x float> %src2)
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ret <2 x float> %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_v2f32_f32imminv2pi:
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; GFX9: v_mov_b32_e32 v2, v1
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; GFX9: v_mov_b32_e32 v3, 0.15915494
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; GFX9: v_mad_mix_f32 v1, v0, v2, v3 op_sel:[1,1,0] op_sel_hi:[1,1,0] ; encoding
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; GFX9: v_mad_mix_f32 v0, v0, v2, v3 op_sel_hi:[1,1,0] ; encoding
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define <2 x float> @v_mad_mix_v2f32_f32imminv2pi(<2 x half> %src0, <2 x half> %src1) #0 {
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%src0.ext = fpext <2 x half> %src0 to <2 x float>
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%src1.ext = fpext <2 x half> %src1 to <2 x float>
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%src2 = fpext <2 x half> <half 0xH3118, half 0xH3118> to <2 x float>
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%result = tail call <2 x float> @llvm.fmuladd.v2f32(<2 x float> %src0.ext, <2 x float> %src1.ext, <2 x float> <float 0x3FC45F3060000000, float 0x3FC45F3060000000>)
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ret <2 x float> %result
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}
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; GCN-LABEL: {{^}}v_mad_mix_clamp_f32_f16hi_f16hi_f16hi_elt:
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; GFX9: v_mad_mix_f32 v0, v0, v1, v2 op_sel:[1,1,1] op_sel_hi:[1,1,1] clamp ; encoding
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; VI: v_mac_f32_e64 v{{[0-9]}}, v{{[0-9]}}, v{{[0-9]}} clamp{{$}}
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; CI: v_mad_f32 v{{[0-9]}}, v{{[0-9]}}, v{{[0-9]}}, v{{[0-9]}} clamp{{$}}
|
|
define float @v_mad_mix_clamp_f32_f16hi_f16hi_f16hi_elt(<2 x half> %src0, <2 x half> %src1, <2 x half> %src2) #0 {
|
|
%src0.hi = extractelement <2 x half> %src0, i32 1
|
|
%src1.hi = extractelement <2 x half> %src1, i32 1
|
|
%src2.hi = extractelement <2 x half> %src2, i32 1
|
|
%src0.ext = fpext half %src0.hi to float
|
|
%src1.ext = fpext half %src1.hi to float
|
|
%src2.ext = fpext half %src2.hi to float
|
|
%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
|
|
%max = call float @llvm.maxnum.f32(float %result, float 0.0)
|
|
%clamp = call float @llvm.minnum.f32(float %max, float 1.0)
|
|
ret float %clamp
|
|
}
|
|
|
|
; GCN-LABEL: no_mix_simple:
|
|
; GCN: s_waitcnt
|
|
; GCN-NEXT: v_mad_f32 v0, v0, v1, v2
|
|
; GCN-NEXT: s_setpc_b64
|
|
define float @no_mix_simple(float %src0, float %src1, float %src2) #0 {
|
|
%result = call float @llvm.fmuladd.f32(float %src0, float %src1, float %src2)
|
|
ret float %result
|
|
}
|
|
|
|
; GCN-LABEL: no_mix_simple_fabs:
|
|
; GCN: s_waitcnt
|
|
; GCN-NEXT: v_mad_f32 v0, |v0|, v1, v2
|
|
; GCN-NEXT: s_setpc_b64
|
|
define float @no_mix_simple_fabs(float %src0, float %src1, float %src2) #0 {
|
|
%src0.fabs = call float @llvm.fabs.f32(float %src0)
|
|
%result = call float @llvm.fmuladd.f32(float %src0.fabs, float %src1, float %src2)
|
|
ret float %result
|
|
}
|
|
|
|
; FIXME: Should abe able to select in thits case
|
|
; All sources are converted from f16, so it doesn't matter
|
|
; v_mad_mix_f32 flushes.
|
|
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f16lo_f32_denormals:
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_fma_f32
|
|
define float @v_mad_mix_f32_f16lo_f16lo_f16lo_f32_denormals(half %src0, half %src1, half %src2) #1 {
|
|
%src0.ext = fpext half %src0 to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%src2.ext = fpext half %src2 to float
|
|
%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
|
|
ret float %result
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f32_denormals:
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_fma_f32
|
|
define float @v_mad_mix_f32_f16lo_f16lo_f32_denormals(half %src0, half %src1, float %src2) #1 {
|
|
%src0.ext = fpext half %src0 to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2)
|
|
ret float %result
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f16lo_f32_denormals_fmulfadd:
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_mul_f32
|
|
; GFX9: v_add_f32
|
|
define float @v_mad_mix_f32_f16lo_f16lo_f16lo_f32_denormals_fmulfadd(half %src0, half %src1, half %src2) #1 {
|
|
%src0.ext = fpext half %src0 to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%src2.ext = fpext half %src2 to float
|
|
%mul = fmul float %src0.ext, %src1.ext
|
|
%result = fadd float %mul, %src2.ext
|
|
ret float %result
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f32_denormals_fmulfadd:
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_cvt_f32_f16
|
|
; GFX9: v_mul_f32
|
|
; GFX9: v_add_f32
|
|
define float @v_mad_mix_f32_f16lo_f16lo_f32_denormals_fmulfadd(half %src0, half %src1, float %src2) #1 {
|
|
%src0.ext = fpext half %src0 to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%mul = fmul float %src0.ext, %src1.ext
|
|
%result = fadd float %mul, %src2
|
|
ret float %result
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f16lo_f32_flush_fmulfadd:
|
|
; GCN: s_waitcnt
|
|
; GFX9-NEXT: v_mad_mix_f32 v0, v0, v1, v2 op_sel_hi:[1,1,1] ; encoding
|
|
; GFX9-NEXT: s_setpc_b64
|
|
define float @v_mad_mix_f32_f16lo_f16lo_f16lo_f32_flush_fmulfadd(half %src0, half %src1, half %src2) #0 {
|
|
%src0.ext = fpext half %src0 to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%src2.ext = fpext half %src2 to float
|
|
%mul = fmul float %src0.ext, %src1.ext
|
|
%result = fadd float %mul, %src2.ext
|
|
ret float %result
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_f16lo_f16lo_f32_flush_fmulfadd:
|
|
; GCN: s_waitcnt
|
|
; GFX9-NEXT: v_mad_mix_f32 v0, v0, v1, v2 op_sel_hi:[1,1,0] ; encoding
|
|
; GFX9-NEXT: s_setpc_b64
|
|
define float @v_mad_mix_f32_f16lo_f16lo_f32_flush_fmulfadd(half %src0, half %src1, float %src2) #0 {
|
|
%src0.ext = fpext half %src0 to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%mul = fmul float %src0.ext, %src1.ext
|
|
%result = fadd float %mul, %src2
|
|
ret float %result
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_negprecvtf16lo_f16lo_f16lo:
|
|
; GFX9: s_waitcnt
|
|
; GFX9-NEXT: v_mad_mix_f32 v0, -v0, v1, v2 op_sel_hi:[1,1,1] ; encoding
|
|
; GFX9-NEXT: s_setpc_b64
|
|
|
|
; CIVI: v_mad_f32
|
|
define float @v_mad_mix_f32_negprecvtf16lo_f16lo_f16lo(i32 %src0.arg, half %src1, half %src2) #0 {
|
|
%src0.arg.bc = bitcast i32 %src0.arg to <2 x half>
|
|
%src0 = extractelement <2 x half> %src0.arg.bc, i32 0
|
|
%src0.neg = fsub half -0.0, %src0
|
|
%src0.ext = fpext half %src0.neg to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%src2.ext = fpext half %src2 to float
|
|
; %src0.ext.neg = fsub float -0.0, %src0.ext
|
|
%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
|
|
ret float %result
|
|
}
|
|
|
|
; Make sure we don't fold pre-cvt fneg if we already have a fabs
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_precvtnegf16hi_abs_f16lo_f16lo:
|
|
; GFX9: s_waitcnt
|
|
define float @v_mad_mix_f32_precvtnegf16hi_abs_f16lo_f16lo(i32 %src0.arg, half %src1, half %src2) #0 {
|
|
%src0.arg.bc = bitcast i32 %src0.arg to <2 x half>
|
|
%src0 = extractelement <2 x half> %src0.arg.bc, i32 1
|
|
%src0.neg = fsub half -0.0, %src0
|
|
%src0.ext = fpext half %src0.neg to float
|
|
%src0.ext.abs = call float @llvm.fabs.f32(float %src0.ext)
|
|
%src1.ext = fpext half %src1 to float
|
|
%src2.ext = fpext half %src2 to float
|
|
%result = tail call float @llvm.fmuladd.f32(float %src0.ext.abs, float %src1.ext, float %src2.ext)
|
|
ret float %result
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_precvtabsf16hi_f16lo_f16lo:
|
|
; GFX9: s_waitcnt
|
|
; GFX9-NEXT: v_mad_mix_f32 v0, |v0|, v1, v2 op_sel:[1,0,0] op_sel_hi:[1,1,1]
|
|
; GFX9-NEXT: s_setpc_b64
|
|
define float @v_mad_mix_f32_precvtabsf16hi_f16lo_f16lo(i32 %src0.arg, half %src1, half %src2) #0 {
|
|
%src0.arg.bc = bitcast i32 %src0.arg to <2 x half>
|
|
%src0 = extractelement <2 x half> %src0.arg.bc, i32 1
|
|
%src0.abs = call half @llvm.fabs.f16(half %src0)
|
|
%src0.ext = fpext half %src0.abs to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%src2.ext = fpext half %src2 to float
|
|
%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
|
|
ret float %result
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_preextractfneg_f16hi_f16lo_f16lo:
|
|
; GFX9: s_waitcnt
|
|
; GFX9-NEXT: v_mad_mix_f32 v0, -v0, v1, v2 op_sel:[1,0,0] op_sel_hi:[1,1,1]
|
|
; GFX9-NEXT: s_setpc_b64
|
|
define float @v_mad_mix_f32_preextractfneg_f16hi_f16lo_f16lo(i32 %src0.arg, half %src1, half %src2) #0 {
|
|
%src0.arg.bc = bitcast i32 %src0.arg to <2 x half>
|
|
%fneg = fsub <2 x half> <half -0.0, half -0.0>, %src0.arg.bc
|
|
%src0 = extractelement <2 x half> %fneg, i32 1
|
|
%src0.ext = fpext half %src0 to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%src2.ext = fpext half %src2 to float
|
|
%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
|
|
ret float %result
|
|
}
|
|
|
|
; FIXME: Should be able to fold
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_preextractfabs_f16hi_f16lo_f16lo:
|
|
; GFX9: s_waitcnt
|
|
; GFX9-NEXT: v_and_b32_e32 v0, 0x7fff0000, v0
|
|
; GFX9-NEXT: v_mad_mix_f32 v0, v0, v1, v2 op_sel:[1,0,0] op_sel_hi:[1,1,1]
|
|
; GFX9-NEXT: s_setpc_b64
|
|
define float @v_mad_mix_f32_preextractfabs_f16hi_f16lo_f16lo(i32 %src0.arg, half %src1, half %src2) #0 {
|
|
%src0.arg.bc = bitcast i32 %src0.arg to <2 x half>
|
|
%fabs = call <2 x half> @llvm.fabs.v2f16(<2 x half> %src0.arg.bc)
|
|
%src0 = extractelement <2 x half> %fabs, i32 1
|
|
%src0.ext = fpext half %src0 to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%src2.ext = fpext half %src2 to float
|
|
%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
|
|
ret float %result
|
|
}
|
|
|
|
; FIXME: Should be able to fold
|
|
; GCN-LABEL: {{^}}v_mad_mix_f32_preextractfabsfneg_f16hi_f16lo_f16lo:
|
|
; GFX9: s_waitcnt
|
|
; GFX9-NEXT: v_and_b32_e32 v0, 0x7fff0000, v0
|
|
; GFX9-NEXT: v_mad_mix_f32 v0, -v0, v1, v2 op_sel:[1,0,0] op_sel_hi:[1,1,1]
|
|
; GFX9-NEXT: s_setpc_b64
|
|
define float @v_mad_mix_f32_preextractfabsfneg_f16hi_f16lo_f16lo(i32 %src0.arg, half %src1, half %src2) #0 {
|
|
%src0.arg.bc = bitcast i32 %src0.arg to <2 x half>
|
|
%fabs = call <2 x half> @llvm.fabs.v2f16(<2 x half> %src0.arg.bc)
|
|
%fneg.fabs = fsub <2 x half> <half -0.0, half -0.0>, %fabs
|
|
%src0 = extractelement <2 x half> %fneg.fabs, i32 1
|
|
%src0.ext = fpext half %src0 to float
|
|
%src1.ext = fpext half %src1 to float
|
|
%src2.ext = fpext half %src2 to float
|
|
%result = tail call float @llvm.fmuladd.f32(float %src0.ext, float %src1.ext, float %src2.ext)
|
|
ret float %result
|
|
}
|
|
|
|
declare half @llvm.fabs.f16(half) #2
|
|
declare <2 x half> @llvm.fabs.v2f16(<2 x half>) #2
|
|
declare float @llvm.fabs.f32(float) #2
|
|
declare float @llvm.minnum.f32(float, float) #2
|
|
declare float @llvm.maxnum.f32(float, float) #2
|
|
declare float @llvm.fmuladd.f32(float, float, float) #2
|
|
declare <2 x float> @llvm.fmuladd.v2f32(<2 x float>, <2 x float>, <2 x float>) #2
|
|
|
|
attributes #0 = { nounwind "target-features"="-fp32-denormals" }
|
|
attributes #1 = { nounwind "target-features"="+fp32-denormals" }
|
|
attributes #2 = { nounwind readnone speculatable }
|