; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfh < %s \ ; RUN: | FileCheck %s ; RUN: llc -mtriple=riscv64 -target-abi lp64f -mattr=+zfa,+zfh < %s \ ; RUN: | FileCheck %s ; RUN: llc -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfhmin < %s \ ; RUN: | FileCheck %s --check-prefix=ZFHMIN ; RUN: llc -mtriple=riscv64 -target-abi lp64f -mattr=+zfa,+zfhmin < %s \ ; RUN: | FileCheck %s --check-prefix=ZFHMIN declare half @llvm.minimum.f16(half, half) define half @fminm_h(half %a, half %b) nounwind { ; CHECK-LABEL: fminm_h: ; CHECK: # %bb.0: ; CHECK-NEXT: fminm.h fa0, fa0, fa1 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fminm_h: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa1 ; ZFHMIN-NEXT: fcvt.s.h fa4, fa0 ; ZFHMIN-NEXT: fminm.s fa5, fa4, fa5 ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %1 = call half @llvm.minimum.f16(half %a, half %b) ret half %1 } declare half @llvm.maximum.f16(half, half) define half @fmaxm_h(half %a, half %b) nounwind { ; CHECK-LABEL: fmaxm_h: ; CHECK: # %bb.0: ; CHECK-NEXT: fmaxm.h fa0, fa0, fa1 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fmaxm_h: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa1 ; ZFHMIN-NEXT: fcvt.s.h fa4, fa0 ; ZFHMIN-NEXT: fmaxm.s fa5, fa4, fa5 ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %1 = tail call half @llvm.maximum.f16(half %a, half %b) ret half %1 } define half @fround_h_1(half %a) nounwind { ; CHECK-LABEL: fround_h_1: ; CHECK: # %bb.0: ; CHECK-NEXT: fround.h fa0, fa0, rmm ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fround_h_1: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: fround.s fa5, fa5, rmm ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %call = tail call half @llvm.round.f16(half %a) nounwind readnone ret half %call } declare half @llvm.round.f16(half) nounwind readnone define half @fround_h_2(half %a) nounwind { ; CHECK-LABEL: fround_h_2: ; CHECK: # %bb.0: ; CHECK-NEXT: fround.h fa0, fa0, rdn ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fround_h_2: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: fround.s fa5, fa5, rdn ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %call = tail call half @llvm.floor.f16(half %a) nounwind readnone ret half %call } declare half @llvm.floor.f16(half) nounwind readnone define half @fround_h_3(half %a) nounwind { ; CHECK-LABEL: fround_h_3: ; CHECK: # %bb.0: ; CHECK-NEXT: fround.h fa0, fa0, rup ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fround_h_3: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: fround.s fa5, fa5, rup ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %call = tail call half @llvm.ceil.f16(half %a) nounwind readnone ret half %call } declare half @llvm.ceil.f16(half) nounwind readnone define half @fround_h_4(half %a) nounwind { ; CHECK-LABEL: fround_h_4: ; CHECK: # %bb.0: ; CHECK-NEXT: fround.h fa0, fa0, rtz ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fround_h_4: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: fround.s fa5, fa5, rtz ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %call = tail call half @llvm.trunc.f16(half %a) nounwind readnone ret half %call } declare half @llvm.trunc.f16(half) nounwind readnone define half @fround_h_5(half %a) nounwind { ; CHECK-LABEL: fround_h_5: ; CHECK: # %bb.0: ; CHECK-NEXT: fround.h fa0, fa0 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fround_h_5: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: fround.s fa5, fa5 ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %call = tail call half @llvm.nearbyint.f16(half %a) nounwind readnone ret half %call } declare half @llvm.nearbyint.f16(half) nounwind readnone define half @fround_h_6(half %a) nounwind { ; CHECK-LABEL: fround_h_6: ; CHECK: # %bb.0: ; CHECK-NEXT: fround.h fa0, fa0, rne ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fround_h_6: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: fround.s fa5, fa5, rne ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %call = tail call half @llvm.roundeven.f16(half %a) nounwind readnone ret half %call } declare half @llvm.roundeven.f16(half) nounwind readnone define half @froundnx_h(half %a) nounwind { ; CHECK-LABEL: froundnx_h: ; CHECK: # %bb.0: ; CHECK-NEXT: froundnx.h fa0, fa0 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: froundnx_h: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: froundnx.s fa5, fa5 ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %call = tail call half @llvm.rint.f16(half %a) nounwind readnone ret half %call } declare half @llvm.rint.f16(half) nounwind readnone declare i1 @llvm.experimental.constrained.fcmp.f16(half, half, metadata, metadata) define i32 @fcmp_olt_q(half %a, half %b) nounwind strictfp { ; CHECK-LABEL: fcmp_olt_q: ; CHECK: # %bb.0: ; CHECK-NEXT: fltq.h a0, fa0, fa1 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fcmp_olt_q: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa1 ; ZFHMIN-NEXT: fcvt.s.h fa4, fa0 ; ZFHMIN-NEXT: fltq.s a0, fa4, fa5 ; ZFHMIN-NEXT: ret %1 = call i1 @llvm.experimental.constrained.fcmp.f16(half %a, half %b, metadata !"olt", metadata !"fpexcept.strict") strictfp %2 = zext i1 %1 to i32 ret i32 %2 } define i32 @fcmp_ole_q(half %a, half %b) nounwind strictfp { ; CHECK-LABEL: fcmp_ole_q: ; CHECK: # %bb.0: ; CHECK-NEXT: fleq.h a0, fa0, fa1 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fcmp_ole_q: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa1 ; ZFHMIN-NEXT: fcvt.s.h fa4, fa0 ; ZFHMIN-NEXT: fleq.s a0, fa4, fa5 ; ZFHMIN-NEXT: ret %1 = call i1 @llvm.experimental.constrained.fcmp.f16(half %a, half %b, metadata !"ole", metadata !"fpexcept.strict") strictfp %2 = zext i1 %1 to i32 ret i32 %2 } define i32 @fcmp_one_q(half %a, half %b) nounwind strictfp { ; CHECK-LABEL: fcmp_one_q: ; CHECK: # %bb.0: ; CHECK-NEXT: fltq.h a0, fa0, fa1 ; CHECK-NEXT: fltq.h a1, fa1, fa0 ; CHECK-NEXT: or a0, a1, a0 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fcmp_one_q: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa1 ; ZFHMIN-NEXT: fcvt.s.h fa4, fa0 ; ZFHMIN-NEXT: fltq.s a0, fa4, fa5 ; ZFHMIN-NEXT: fltq.s a1, fa5, fa4 ; ZFHMIN-NEXT: or a0, a1, a0 ; ZFHMIN-NEXT: ret %1 = call i1 @llvm.experimental.constrained.fcmp.f16(half %a, half %b, metadata !"one", metadata !"fpexcept.strict") strictfp %2 = zext i1 %1 to i32 ret i32 %2 } define i32 @fcmp_ueq_q(half %a, half %b) nounwind strictfp { ; CHECK-LABEL: fcmp_ueq_q: ; CHECK: # %bb.0: ; CHECK-NEXT: fltq.h a0, fa0, fa1 ; CHECK-NEXT: fltq.h a1, fa1, fa0 ; CHECK-NEXT: or a0, a1, a0 ; CHECK-NEXT: xori a0, a0, 1 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fcmp_ueq_q: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa1 ; ZFHMIN-NEXT: fcvt.s.h fa4, fa0 ; ZFHMIN-NEXT: fltq.s a0, fa4, fa5 ; ZFHMIN-NEXT: fltq.s a1, fa5, fa4 ; ZFHMIN-NEXT: or a0, a1, a0 ; ZFHMIN-NEXT: xori a0, a0, 1 ; ZFHMIN-NEXT: ret %1 = call i1 @llvm.experimental.constrained.fcmp.f16(half %a, half %b, metadata !"ueq", metadata !"fpexcept.strict") strictfp %2 = zext i1 %1 to i32 ret i32 %2 } define half @fadd_neg_0p5(half %x) { ; CHECK-LABEL: fadd_neg_0p5: ; CHECK: # %bb.0: ; CHECK-NEXT: fli.h fa5, 0.5 ; CHECK-NEXT: fsub.h fa0, fa0, fa5 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fadd_neg_0p5: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: fli.s fa4, 0.5 ; ZFHMIN-NEXT: fsub.s fa5, fa5, fa4 ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %a = fadd half %x, -0.5 ret half %a } define half @fma_neg_addend(half %x, half %y) nounwind { ; CHECK-LABEL: fma_neg_addend: ; CHECK: # %bb.0: ; CHECK-NEXT: fli.h fa5, 0.5 ; CHECK-NEXT: fmsub.h fa0, fa0, fa1, fa5 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fma_neg_addend: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa1 ; ZFHMIN-NEXT: fcvt.s.h fa4, fa0 ; ZFHMIN-NEXT: fli.s fa3, 0.5 ; ZFHMIN-NEXT: fmsub.s fa5, fa4, fa5, fa3 ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %a = call half @llvm.fma.f32(half %x, half %y, half -0.5) ret half %a } define half @fma_neg_multiplicand(half %x, half %y) nounwind { ; CHECK-LABEL: fma_neg_multiplicand: ; CHECK: # %bb.0: ; CHECK-NEXT: fli.h fa5, 0.125 ; CHECK-NEXT: fnmsub.h fa0, fa5, fa0, fa1 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fma_neg_multiplicand: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa1 ; ZFHMIN-NEXT: fcvt.s.h fa4, fa0 ; ZFHMIN-NEXT: fli.s fa3, 0.125 ; ZFHMIN-NEXT: fnmsub.s fa5, fa3, fa4, fa5 ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %a = call half @llvm.fma.f32(half %x, half -0.125, half %y) ret half %a } define half @fma_neg_addend_multiplicand(half %x) nounwind { ; CHECK-LABEL: fma_neg_addend_multiplicand: ; CHECK: # %bb.0: ; CHECK-NEXT: fli.h fa5, 0.25 ; CHECK-NEXT: fli.h fa4, 0.5 ; CHECK-NEXT: fnmadd.h fa0, fa4, fa0, fa5 ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: fma_neg_addend_multiplicand: ; ZFHMIN: # %bb.0: ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: fli.s fa4, 0.25 ; ZFHMIN-NEXT: fli.s fa3, 0.5 ; ZFHMIN-NEXT: fnmadd.s fa5, fa3, fa5, fa4 ; ZFHMIN-NEXT: fcvt.h.s fa0, fa5 ; ZFHMIN-NEXT: ret %a = call half @llvm.fma.f32(half %x, half -0.5, half -0.25) ret half %a } define half @select_loadfpimm(half %x) nounwind { ; CHECK-LABEL: select_loadfpimm: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: fmv.h.x fa5, zero ; CHECK-NEXT: fle.h a0, fa5, fa0 ; CHECK-NEXT: fli.h fa0, 0.5 ; CHECK-NEXT: bnez a0, .LBB17_2 ; CHECK-NEXT: # %bb.1: ; CHECK-NEXT: fneg.h fa0, fa0 ; CHECK-NEXT: .LBB17_2: # %entry ; CHECK-NEXT: ret ; ; ZFHMIN-LABEL: select_loadfpimm: ; ZFHMIN: # %bb.0: # %entry ; ZFHMIN-NEXT: fcvt.s.h fa5, fa0 ; ZFHMIN-NEXT: fmv.w.x fa4, zero ; ZFHMIN-NEXT: fle.s a0, fa4, fa5 ; ZFHMIN-NEXT: xori a0, a0, 1 ; ZFHMIN-NEXT: slli a0, a0, 1 ; ZFHMIN-NEXT: lui a1, %hi(.LCPI17_0) ; ZFHMIN-NEXT: addi a1, a1, %lo(.LCPI17_0) ; ZFHMIN-NEXT: add a0, a1, a0 ; ZFHMIN-NEXT: flh fa0, 0(a0) ; ZFHMIN-NEXT: ret entry: %cmp = fcmp ult half %x, 0.000000e+00 %sel = select i1 %cmp, half -5.000000e-01, half 5.000000e-01 ret half %sel }