; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \ ; RUN: | FileCheck -check-prefix=RV32IF %s define float @fadd_s(float %a, float %b) nounwind { ; RV32IF-LABEL: fadd_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: fadd.s ft0, ft1, ft0 ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fadd float %a, %b ret float %1 } define float @fsub_s(float %a, float %b) nounwind { ; RV32IF-LABEL: fsub_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: fsub.s ft0, ft1, ft0 ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fsub float %a, %b ret float %1 } define float @fmul_s(float %a, float %b) nounwind { ; RV32IF-LABEL: fmul_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: fmul.s ft0, ft1, ft0 ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fmul float %a, %b ret float %1 } define float @fdiv_s(float %a, float %b) nounwind { ; RV32IF-LABEL: fdiv_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: fdiv.s ft0, ft1, ft0 ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fdiv float %a, %b ret float %1 } declare float @llvm.sqrt.f32(float) define float @fsqrt_s(float %a) nounwind { ; RV32IF-LABEL: fsqrt_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fsqrt.s ft0, ft0 ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = call float @llvm.sqrt.f32(float %a) ret float %1 } declare float @llvm.copysign.f32(float, float) define float @fsgnj_s(float %a, float %b) nounwind { ; RV32IF-LABEL: fsgnj_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: fsgnj.s ft0, ft1, ft0 ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = call float @llvm.copysign.f32(float %a, float %b) ret float %1 } define float @fneg_s(float %a) nounwind { ; TODO: doesn't test the fneg selection pattern because ; DAGCombiner::visitBITCAST will generate a xor on the incoming integer ; argument ; RV32IF-LABEL: fneg_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: lui a1, 524288 ; RV32IF-NEXT: xor a0, a0, a1 ; RV32IF-NEXT: ret %1 = fsub float -0.0, %a ret float %1 } define float @fsgnjn_s(float %a, float %b) nounwind { ; TODO: fsgnjn.s isn't selected because DAGCombiner::visitBITCAST will convert ; (bitconvert (fneg x)) to a xor ; RV32IF-LABEL: fsgnjn_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: lui a2, 524288 ; RV32IF-NEXT: xor a1, a1, a2 ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: fsgnj.s ft0, ft1, ft0 ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fsub float -0.0, %b %2 = call float @llvm.copysign.f32(float %a, float %1) ret float %2 } declare float @llvm.fabs.f32(float) define float @fabs_s(float %a) nounwind { ; TODO: doesn't test the fabs selection pattern because ; DAGCombiner::visitBITCAST will generate an and on the incoming integer ; argument ; RV32IF-LABEL: fabs_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: lui a1, 524288 ; RV32IF-NEXT: addi a1, a1, -1 ; RV32IF-NEXT: and a0, a0, a1 ; RV32IF-NEXT: ret %1 = call float @llvm.fabs.f32(float %a) ret float %1 } declare float @llvm.minnum.f32(float, float) define float @fmin_s(float %a, float %b) nounwind { ; RV32IF-LABEL: fmin_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: fmin.s ft0, ft1, ft0 ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = call float @llvm.minnum.f32(float %a, float %b) ret float %1 } declare float @llvm.maxnum.f32(float, float) define float @fmax_s(float %a, float %b) nounwind { ; RV32IF-LABEL: fmax_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: fmax.s ft0, ft1, ft0 ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = call float @llvm.maxnum.f32(float %a, float %b) ret float %1 } define i32 @feq_s(float %a, float %b) nounwind { ; RV32IF-LABEL: feq_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: feq.s a0, ft1, ft0 ; RV32IF-NEXT: ret %1 = fcmp oeq float %a, %b %2 = zext i1 %1 to i32 ret i32 %2 } define i32 @flt_s(float %a, float %b) nounwind { ; RV32IF-LABEL: flt_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: flt.s a0, ft1, ft0 ; RV32IF-NEXT: ret %1 = fcmp olt float %a, %b %2 = zext i1 %1 to i32 ret i32 %2 } define i32 @fle_s(float %a, float %b) nounwind { ; RV32IF-LABEL: fle_s: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a1 ; RV32IF-NEXT: fmv.w.x ft1, a0 ; RV32IF-NEXT: fle.s a0, ft1, ft0 ; RV32IF-NEXT: ret %1 = fcmp ole float %a, %b %2 = zext i1 %1 to i32 ret i32 %2 }