; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefix=RV64IF ; This file exhaustively checks float<->i32 conversions. In general, ; fcvt.l[u].s can be selected instead of fcvt.w[u].s because poison is ; generated for an fpto[s|u]i conversion if the result doesn't fit in the ; target type. define i32 @aext_fptosi(float %a) nounwind { ; RV64IF-LABEL: aext_fptosi: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a0 ; RV64IF-NEXT: fcvt.l.s a0, ft0, rtz ; RV64IF-NEXT: ret %1 = fptosi float %a to i32 ret i32 %1 } define signext i32 @sext_fptosi(float %a) nounwind { ; RV64IF-LABEL: sext_fptosi: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a0 ; RV64IF-NEXT: fcvt.l.s a0, ft0, rtz ; RV64IF-NEXT: ret %1 = fptosi float %a to i32 ret i32 %1 } define zeroext i32 @zext_fptosi(float %a) nounwind { ; RV64IF-LABEL: zext_fptosi: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a0 ; RV64IF-NEXT: fcvt.l.s a0, ft0, rtz ; RV64IF-NEXT: slli a0, a0, 32 ; RV64IF-NEXT: srli a0, a0, 32 ; RV64IF-NEXT: ret %1 = fptosi float %a to i32 ret i32 %1 } define i32 @aext_fptoui(float %a) nounwind { ; RV64IF-LABEL: aext_fptoui: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a0 ; RV64IF-NEXT: fcvt.lu.s a0, ft0, rtz ; RV64IF-NEXT: ret %1 = fptoui float %a to i32 ret i32 %1 } define signext i32 @sext_fptoui(float %a) nounwind { ; RV64IF-LABEL: sext_fptoui: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a0 ; RV64IF-NEXT: fcvt.wu.s a0, ft0, rtz ; RV64IF-NEXT: ret %1 = fptoui float %a to i32 ret i32 %1 } define zeroext i32 @zext_fptoui(float %a) nounwind { ; RV64IF-LABEL: zext_fptoui: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a0 ; RV64IF-NEXT: fcvt.lu.s a0, ft0, rtz ; RV64IF-NEXT: ret %1 = fptoui float %a to i32 ret i32 %1 } define i32 @bcvt_f32_to_aext_i32(float %a, float %b) nounwind { ; RV64IF-LABEL: bcvt_f32_to_aext_i32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a1 ; RV64IF-NEXT: fmv.w.x ft1, a0 ; RV64IF-NEXT: fadd.s ft0, ft1, ft0 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: ret %1 = fadd float %a, %b %2 = bitcast float %1 to i32 ret i32 %2 } define signext i32 @bcvt_f32_to_sext_i32(float %a, float %b) nounwind { ; RV64IF-LABEL: bcvt_f32_to_sext_i32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a1 ; RV64IF-NEXT: fmv.w.x ft1, a0 ; RV64IF-NEXT: fadd.s ft0, ft1, ft0 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: ret %1 = fadd float %a, %b %2 = bitcast float %1 to i32 ret i32 %2 } define zeroext i32 @bcvt_f32_to_zext_i32(float %a, float %b) nounwind { ; RV64IF-LABEL: bcvt_f32_to_zext_i32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a1 ; RV64IF-NEXT: fmv.w.x ft1, a0 ; RV64IF-NEXT: fadd.s ft0, ft1, ft0 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: slli a0, a0, 32 ; RV64IF-NEXT: srli a0, a0, 32 ; RV64IF-NEXT: ret %1 = fadd float %a, %b %2 = bitcast float %1 to i32 ret i32 %2 } define float @bcvt_i64_to_f32_via_i32(i64 %a, i64 %b) nounwind { ; RV64IF-LABEL: bcvt_i64_to_f32_via_i32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fmv.w.x ft0, a0 ; RV64IF-NEXT: fmv.w.x ft1, a1 ; RV64IF-NEXT: fadd.s ft0, ft0, ft1 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: ret %1 = trunc i64 %a to i32 %2 = trunc i64 %b to i32 %3 = bitcast i32 %1 to float %4 = bitcast i32 %2 to float %5 = fadd float %3, %4 ret float %5 } define float @uitofp_aext_i32_to_f32(i32 %a) nounwind { ; RV64IF-LABEL: uitofp_aext_i32_to_f32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fcvt.s.wu ft0, a0 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: ret %1 = uitofp i32 %a to float ret float %1 } define float @uitofp_sext_i32_to_f32(i32 signext %a) nounwind { ; RV64IF-LABEL: uitofp_sext_i32_to_f32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fcvt.s.wu ft0, a0 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: ret %1 = uitofp i32 %a to float ret float %1 } define float @uitofp_zext_i32_to_f32(i32 zeroext %a) nounwind { ; RV64IF-LABEL: uitofp_zext_i32_to_f32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fcvt.s.wu ft0, a0 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: ret %1 = uitofp i32 %a to float ret float %1 } define float @sitofp_aext_i32_to_f32(i32 %a) nounwind { ; RV64IF-LABEL: sitofp_aext_i32_to_f32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fcvt.s.w ft0, a0 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: ret %1 = sitofp i32 %a to float ret float %1 } define float @sitofp_sext_i32_to_f32(i32 signext %a) nounwind { ; RV64IF-LABEL: sitofp_sext_i32_to_f32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fcvt.s.w ft0, a0 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: ret %1 = sitofp i32 %a to float ret float %1 } define float @sitofp_zext_i32_to_f32(i32 zeroext %a) nounwind { ; RV64IF-LABEL: sitofp_zext_i32_to_f32: ; RV64IF: # %bb.0: ; RV64IF-NEXT: fcvt.s.w ft0, a0 ; RV64IF-NEXT: fmv.x.w a0, ft0 ; RV64IF-NEXT: ret %1 = sitofp i32 %a to float ret float %1 }