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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx900 --denormal-fp-math=preserve-sign < %s | FileCheck -check-prefix=GFX9-DENORM %s3; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1010 --denormal-fp-math=preserve-sign < %s | FileCheck -check-prefix=GFX10-DENORM %s4 5; fold (fsub (fpext (fmul x, y)), z) -> (fma (fpext x), (fpext y), (fneg z))6define amdgpu_vs float @test_f16_to_f32_sub_ext_mul(half %x, half %y, float %z) {7; GFX9-DENORM-LABEL: test_f16_to_f32_sub_ext_mul:8; GFX9-DENORM: ; %bb.0: ; %entry9; GFX9-DENORM-NEXT: v_mad_mix_f32 v0, v0, v1, -v2 op_sel_hi:[1,1,0]10; GFX9-DENORM-NEXT: ; return to shader part epilog11;12; GFX10-DENORM-LABEL: test_f16_to_f32_sub_ext_mul:13; GFX10-DENORM: ; %bb.0: ; %entry14; GFX10-DENORM-NEXT: v_fma_mix_f32 v0, v0, v1, -v2 op_sel_hi:[1,1,0]15; GFX10-DENORM-NEXT: ; return to shader part epilog16entry:17 %a = fmul fast half %x, %y18 %b = fpext half %a to float19 %c = fsub fast float %b, %z20 ret float %c21}22 23; fold (fsub x, (fpext (fmul y, z))) -> (fma (fneg (fpext y)), (fpext z), x)24define amdgpu_vs float @test_f16_to_f32_sub_ext_mul_rhs(float %x, half %y, half %z) {25; GFX9-DENORM-LABEL: test_f16_to_f32_sub_ext_mul_rhs:26; GFX9-DENORM: ; %bb.0: ; %.entry27; GFX9-DENORM-NEXT: v_mad_mix_f32 v0, -v1, v2, v0 op_sel_hi:[1,1,0]28; GFX9-DENORM-NEXT: ; return to shader part epilog29;30; GFX10-DENORM-LABEL: test_f16_to_f32_sub_ext_mul_rhs:31; GFX10-DENORM: ; %bb.0: ; %.entry32; GFX10-DENORM-NEXT: v_fma_mix_f32 v0, -v1, v2, v0 op_sel_hi:[1,1,0]33; GFX10-DENORM-NEXT: ; return to shader part epilog34.entry:35 %a = fmul fast half %y, %z36 %b = fpext half %a to float37 %c = fsub fast float %x, %b38 ret float %c39}40 41; fold (fsub (fpext (fmul x, y)), z) -> (fma (fpext x), (fpext y), (fneg z))42define amdgpu_vs <4 x float> @test_v4f16_to_v4f32_sub_ext_mul(<4 x half> %x, <4 x half> %y, <4 x float> %z) {43; GFX9-DENORM-LABEL: test_v4f16_to_v4f32_sub_ext_mul:44; GFX9-DENORM: ; %bb.0: ; %entry45; GFX9-DENORM-NEXT: v_pk_mul_f16 v0, v0, v246; GFX9-DENORM-NEXT: v_pk_mul_f16 v1, v1, v347; GFX9-DENORM-NEXT: v_cvt_f32_f16_e32 v2, v048; GFX9-DENORM-NEXT: v_cvt_f32_f16_sdwa v3, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_149; GFX9-DENORM-NEXT: v_cvt_f32_f16_e32 v8, v150; GFX9-DENORM-NEXT: v_cvt_f32_f16_sdwa v9, v1 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_151; GFX9-DENORM-NEXT: v_sub_f32_e32 v0, v2, v452; GFX9-DENORM-NEXT: v_sub_f32_e32 v1, v3, v553; GFX9-DENORM-NEXT: v_sub_f32_e32 v2, v8, v654; GFX9-DENORM-NEXT: v_sub_f32_e32 v3, v9, v755; GFX9-DENORM-NEXT: ; return to shader part epilog56;57; GFX10-DENORM-LABEL: test_v4f16_to_v4f32_sub_ext_mul:58; GFX10-DENORM: ; %bb.0: ; %entry59; GFX10-DENORM-NEXT: v_fma_mix_f32 v4, v0, v2, -v4 op_sel_hi:[1,1,0]60; GFX10-DENORM-NEXT: v_fma_mix_f32 v5, v0, v2, -v5 op_sel:[1,1,0] op_sel_hi:[1,1,0]61; GFX10-DENORM-NEXT: v_fma_mix_f32 v2, v1, v3, -v6 op_sel_hi:[1,1,0]62; GFX10-DENORM-NEXT: v_fma_mix_f32 v3, v1, v3, -v7 op_sel:[1,1,0] op_sel_hi:[1,1,0]63; GFX10-DENORM-NEXT: v_mov_b32_e32 v0, v464; GFX10-DENORM-NEXT: v_mov_b32_e32 v1, v565; GFX10-DENORM-NEXT: ; return to shader part epilog66entry:67 %a = fmul fast <4 x half> %x, %y68 %b = fpext <4 x half> %a to <4 x float>69 %c = fsub fast <4 x float> %b, %z70 ret <4 x float> %c71}72 73; fold (fsub x, (fpext (fmul y, z))) -> (fma (fneg (fpext y)), (fpext z), x)74define amdgpu_vs <4 x float> @test_v4f16_to_v4f32_sub_ext_mul_rhs(<4 x float> %x, <4 x half> %y, <4 x half> %z) {75; GFX9-DENORM-LABEL: test_v4f16_to_v4f32_sub_ext_mul_rhs:76; GFX9-DENORM: ; %bb.0: ; %.entry77; GFX9-DENORM-NEXT: v_pk_mul_f16 v4, v4, v678; GFX9-DENORM-NEXT: v_pk_mul_f16 v5, v5, v779; GFX9-DENORM-NEXT: v_cvt_f32_f16_e32 v6, v480; GFX9-DENORM-NEXT: v_cvt_f32_f16_sdwa v4, v4 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_181; GFX9-DENORM-NEXT: v_cvt_f32_f16_e32 v7, v582; GFX9-DENORM-NEXT: v_cvt_f32_f16_sdwa v5, v5 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_183; GFX9-DENORM-NEXT: v_sub_f32_e32 v0, v0, v684; GFX9-DENORM-NEXT: v_sub_f32_e32 v1, v1, v485; GFX9-DENORM-NEXT: v_sub_f32_e32 v2, v2, v786; GFX9-DENORM-NEXT: v_sub_f32_e32 v3, v3, v587; GFX9-DENORM-NEXT: ; return to shader part epilog88;89; GFX10-DENORM-LABEL: test_v4f16_to_v4f32_sub_ext_mul_rhs:90; GFX10-DENORM: ; %bb.0: ; %.entry91; GFX10-DENORM-NEXT: v_fma_mix_f32 v0, -v4, v6, v0 op_sel_hi:[1,1,0]92; GFX10-DENORM-NEXT: v_fma_mix_f32 v1, -v4, v6, v1 op_sel:[1,1,0] op_sel_hi:[1,1,0]93; GFX10-DENORM-NEXT: v_fma_mix_f32 v2, -v5, v7, v2 op_sel_hi:[1,1,0]94; GFX10-DENORM-NEXT: v_fma_mix_f32 v3, -v5, v7, v3 op_sel:[1,1,0] op_sel_hi:[1,1,0]95; GFX10-DENORM-NEXT: ; return to shader part epilog96.entry:97 %a = fmul fast <4 x half> %y, %z98 %b = fpext <4 x half> %a to <4 x float>99 %c = fsub fast <4 x float> %x, %b100 ret <4 x float> %c101}102