; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv64 -mattr=+zfh -verify-machineinstrs \ ; RUN: -target-abi lp64f < %s | FileCheck %s -check-prefix=RV64IZFH ; This file exhaustively checks half<->i32 conversions. In general, ; fcvt.l[u].h can be selected instead of fcvt.w[u].h 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(half %a) nounwind { ; RV64IZFH-LABEL: aext_fptosi: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.w.h a0, fa0, rtz ; RV64IZFH-NEXT: ret %1 = fptosi half %a to i32 ret i32 %1 } define signext i32 @sext_fptosi(half %a) nounwind { ; RV64IZFH-LABEL: sext_fptosi: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.w.h a0, fa0, rtz ; RV64IZFH-NEXT: ret %1 = fptosi half %a to i32 ret i32 %1 } define zeroext i32 @zext_fptosi(half %a) nounwind { ; RV64IZFH-LABEL: zext_fptosi: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.w.h a0, fa0, rtz ; RV64IZFH-NEXT: slli a0, a0, 32 ; RV64IZFH-NEXT: srli a0, a0, 32 ; RV64IZFH-NEXT: ret %1 = fptosi half %a to i32 ret i32 %1 } define i32 @aext_fptoui(half %a) nounwind { ; RV64IZFH-LABEL: aext_fptoui: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.wu.h a0, fa0, rtz ; RV64IZFH-NEXT: ret %1 = fptoui half %a to i32 ret i32 %1 } define signext i32 @sext_fptoui(half %a) nounwind { ; RV64IZFH-LABEL: sext_fptoui: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.wu.h a0, fa0, rtz ; RV64IZFH-NEXT: ret %1 = fptoui half %a to i32 ret i32 %1 } define zeroext i32 @zext_fptoui(half %a) nounwind { ; RV64IZFH-LABEL: zext_fptoui: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.lu.h a0, fa0, rtz ; RV64IZFH-NEXT: ret %1 = fptoui half %a to i32 ret i32 %1 } define i16 @bcvt_f16_to_aext_i16(half %a, half %b) nounwind { ; RV64IZFH-LABEL: bcvt_f16_to_aext_i16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fadd.h ft0, fa0, fa1 ; RV64IZFH-NEXT: fmv.x.h a0, ft0 ; RV64IZFH-NEXT: ret %1 = fadd half %a, %b %2 = bitcast half %1 to i16 ret i16 %2 } define signext i16 @bcvt_f16_to_sext_i16(half %a, half %b) nounwind { ; RV64IZFH-LABEL: bcvt_f16_to_sext_i16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fadd.h ft0, fa0, fa1 ; RV64IZFH-NEXT: fmv.x.h a0, ft0 ; RV64IZFH-NEXT: ret %1 = fadd half %a, %b %2 = bitcast half %1 to i16 ret i16 %2 } define zeroext i16 @bcvt_f16_to_zext_i16(half %a, half %b) nounwind { ; RV64IZFH-LABEL: bcvt_f16_to_zext_i16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fadd.h ft0, fa0, fa1 ; RV64IZFH-NEXT: fmv.x.h a0, ft0 ; RV64IZFH-NEXT: slli a0, a0, 48 ; RV64IZFH-NEXT: srli a0, a0, 48 ; RV64IZFH-NEXT: ret %1 = fadd half %a, %b %2 = bitcast half %1 to i16 ret i16 %2 } define half @bcvt_i64_to_f16_via_i16(i64 %a, i64 %b) nounwind { ; RV64IZFH-LABEL: bcvt_i64_to_f16_via_i16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fmv.h.x ft0, a0 ; RV64IZFH-NEXT: fmv.h.x ft1, a1 ; RV64IZFH-NEXT: fadd.h fa0, ft0, ft1 ; RV64IZFH-NEXT: ret %1 = trunc i64 %a to i16 %2 = trunc i64 %b to i16 %3 = bitcast i16 %1 to half %4 = bitcast i16 %2 to half %5 = fadd half %3, %4 ret half %5 } define half @uitofp_aext_i32_to_f16(i32 %a) nounwind { ; RV64IZFH-LABEL: uitofp_aext_i32_to_f16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.h.wu fa0, a0 ; RV64IZFH-NEXT: ret %1 = uitofp i32 %a to half ret half %1 } define half @uitofp_sext_i32_to_f16(i32 signext %a) nounwind { ; RV64IZFH-LABEL: uitofp_sext_i32_to_f16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.h.wu fa0, a0 ; RV64IZFH-NEXT: ret %1 = uitofp i32 %a to half ret half %1 } define half @uitofp_zext_i32_to_f16(i32 zeroext %a) nounwind { ; RV64IZFH-LABEL: uitofp_zext_i32_to_f16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.h.wu fa0, a0 ; RV64IZFH-NEXT: ret %1 = uitofp i32 %a to half ret half %1 } define half @sitofp_aext_i32_to_f16(i32 %a) nounwind { ; RV64IZFH-LABEL: sitofp_aext_i32_to_f16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.h.w fa0, a0 ; RV64IZFH-NEXT: ret %1 = sitofp i32 %a to half ret half %1 } define half @sitofp_sext_i32_to_f16(i32 signext %a) nounwind { ; RV64IZFH-LABEL: sitofp_sext_i32_to_f16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.h.w fa0, a0 ; RV64IZFH-NEXT: ret %1 = sitofp i32 %a to half ret half %1 } define half @sitofp_zext_i32_to_f16(i32 zeroext %a) nounwind { ; RV64IZFH-LABEL: sitofp_zext_i32_to_f16: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fcvt.h.w fa0, a0 ; RV64IZFH-NEXT: ret %1 = sitofp i32 %a to half ret half %1 }