; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -mattr=+experimental-zfh -verify-machineinstrs \ ; RUN: -target-abi ilp32f < %s | FileCheck -check-prefix=RV32IZFH %s ; RUN: llc -mtriple=riscv64 -mattr=+experimental-zfh -verify-machineinstrs \ ; RUN: -target-abi lp64f < %s | FileCheck -check-prefix=RV64IZFH %s define half @select_fcmp_false(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_false: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_false: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: ret %1 = fcmp false half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_oeq(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_oeq: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: feq.h a0, fa0, fa1 ; RV32IZFH-NEXT: bnez a0, .LBB1_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB1_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_oeq: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: feq.h a0, fa0, fa1 ; RV64IZFH-NEXT: bnez a0, .LBB1_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB1_2: ; RV64IZFH-NEXT: ret %1 = fcmp oeq half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_ogt(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_ogt: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: flt.h a0, fa1, fa0 ; RV32IZFH-NEXT: bnez a0, .LBB2_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB2_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_ogt: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: flt.h a0, fa1, fa0 ; RV64IZFH-NEXT: bnez a0, .LBB2_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB2_2: ; RV64IZFH-NEXT: ret %1 = fcmp ogt half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_oge(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_oge: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: fle.h a0, fa1, fa0 ; RV32IZFH-NEXT: bnez a0, .LBB3_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB3_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_oge: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fle.h a0, fa1, fa0 ; RV64IZFH-NEXT: bnez a0, .LBB3_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB3_2: ; RV64IZFH-NEXT: ret %1 = fcmp oge half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_olt(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_olt: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: flt.h a0, fa0, fa1 ; RV32IZFH-NEXT: bnez a0, .LBB4_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB4_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_olt: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: flt.h a0, fa0, fa1 ; RV64IZFH-NEXT: bnez a0, .LBB4_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB4_2: ; RV64IZFH-NEXT: ret %1 = fcmp olt half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_ole(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_ole: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: fle.h a0, fa0, fa1 ; RV32IZFH-NEXT: bnez a0, .LBB5_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB5_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_ole: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fle.h a0, fa0, fa1 ; RV64IZFH-NEXT: bnez a0, .LBB5_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB5_2: ; RV64IZFH-NEXT: ret %1 = fcmp ole half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_one(half %a, half %b) nounwind { ; TODO: feq.h+sltiu+bne sequence could be optimised ; RV32IZFH-LABEL: select_fcmp_one: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: feq.h a0, fa1, fa1 ; RV32IZFH-NEXT: feq.h a1, fa0, fa0 ; RV32IZFH-NEXT: and a0, a1, a0 ; RV32IZFH-NEXT: feq.h a1, fa0, fa1 ; RV32IZFH-NEXT: not a1, a1 ; RV32IZFH-NEXT: and a0, a1, a0 ; RV32IZFH-NEXT: bnez a0, .LBB6_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB6_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_one: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: feq.h a0, fa1, fa1 ; RV64IZFH-NEXT: feq.h a1, fa0, fa0 ; RV64IZFH-NEXT: and a0, a1, a0 ; RV64IZFH-NEXT: feq.h a1, fa0, fa1 ; RV64IZFH-NEXT: not a1, a1 ; RV64IZFH-NEXT: and a0, a1, a0 ; RV64IZFH-NEXT: bnez a0, .LBB6_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB6_2: ; RV64IZFH-NEXT: ret %1 = fcmp one half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_ord(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_ord: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: feq.h a0, fa1, fa1 ; RV32IZFH-NEXT: feq.h a1, fa0, fa0 ; RV32IZFH-NEXT: and a0, a1, a0 ; RV32IZFH-NEXT: bnez a0, .LBB7_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB7_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_ord: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: feq.h a0, fa1, fa1 ; RV64IZFH-NEXT: feq.h a1, fa0, fa0 ; RV64IZFH-NEXT: and a0, a1, a0 ; RV64IZFH-NEXT: bnez a0, .LBB7_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB7_2: ; RV64IZFH-NEXT: ret %1 = fcmp ord half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_ueq(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_ueq: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: feq.h a0, fa0, fa1 ; RV32IZFH-NEXT: feq.h a1, fa1, fa1 ; RV32IZFH-NEXT: feq.h a2, fa0, fa0 ; RV32IZFH-NEXT: and a1, a2, a1 ; RV32IZFH-NEXT: seqz a1, a1 ; RV32IZFH-NEXT: or a0, a0, a1 ; RV32IZFH-NEXT: bnez a0, .LBB8_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB8_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_ueq: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: feq.h a0, fa0, fa1 ; RV64IZFH-NEXT: feq.h a1, fa1, fa1 ; RV64IZFH-NEXT: feq.h a2, fa0, fa0 ; RV64IZFH-NEXT: and a1, a2, a1 ; RV64IZFH-NEXT: seqz a1, a1 ; RV64IZFH-NEXT: or a0, a0, a1 ; RV64IZFH-NEXT: bnez a0, .LBB8_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB8_2: ; RV64IZFH-NEXT: ret %1 = fcmp ueq half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_ugt(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_ugt: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: fle.h a0, fa0, fa1 ; RV32IZFH-NEXT: xori a0, a0, 1 ; RV32IZFH-NEXT: bnez a0, .LBB9_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB9_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_ugt: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fle.h a0, fa0, fa1 ; RV64IZFH-NEXT: xori a0, a0, 1 ; RV64IZFH-NEXT: bnez a0, .LBB9_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB9_2: ; RV64IZFH-NEXT: ret %1 = fcmp ugt half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_uge(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_uge: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: flt.h a0, fa0, fa1 ; RV32IZFH-NEXT: xori a0, a0, 1 ; RV32IZFH-NEXT: bnez a0, .LBB10_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB10_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_uge: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: flt.h a0, fa0, fa1 ; RV64IZFH-NEXT: xori a0, a0, 1 ; RV64IZFH-NEXT: bnez a0, .LBB10_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB10_2: ; RV64IZFH-NEXT: ret %1 = fcmp uge half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_ult(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_ult: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: fle.h a0, fa1, fa0 ; RV32IZFH-NEXT: xori a0, a0, 1 ; RV32IZFH-NEXT: bnez a0, .LBB11_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB11_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_ult: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: fle.h a0, fa1, fa0 ; RV64IZFH-NEXT: xori a0, a0, 1 ; RV64IZFH-NEXT: bnez a0, .LBB11_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB11_2: ; RV64IZFH-NEXT: ret %1 = fcmp ult half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_ule(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_ule: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: flt.h a0, fa1, fa0 ; RV32IZFH-NEXT: xori a0, a0, 1 ; RV32IZFH-NEXT: bnez a0, .LBB12_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB12_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_ule: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: flt.h a0, fa1, fa0 ; RV64IZFH-NEXT: xori a0, a0, 1 ; RV64IZFH-NEXT: bnez a0, .LBB12_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB12_2: ; RV64IZFH-NEXT: ret %1 = fcmp ule half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_une(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_une: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: feq.h a0, fa0, fa1 ; RV32IZFH-NEXT: xori a0, a0, 1 ; RV32IZFH-NEXT: bnez a0, .LBB13_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB13_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_une: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: feq.h a0, fa0, fa1 ; RV64IZFH-NEXT: xori a0, a0, 1 ; RV64IZFH-NEXT: bnez a0, .LBB13_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB13_2: ; RV64IZFH-NEXT: ret %1 = fcmp une half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_uno(half %a, half %b) nounwind { ; TODO: sltiu+bne could be optimized ; RV32IZFH-LABEL: select_fcmp_uno: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: feq.h a0, fa1, fa1 ; RV32IZFH-NEXT: feq.h a1, fa0, fa0 ; RV32IZFH-NEXT: and a0, a1, a0 ; RV32IZFH-NEXT: seqz a0, a0 ; RV32IZFH-NEXT: bnez a0, .LBB14_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: fmv.h fa0, fa1 ; RV32IZFH-NEXT: .LBB14_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_uno: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: feq.h a0, fa1, fa1 ; RV64IZFH-NEXT: feq.h a1, fa0, fa0 ; RV64IZFH-NEXT: and a0, a1, a0 ; RV64IZFH-NEXT: seqz a0, a0 ; RV64IZFH-NEXT: bnez a0, .LBB14_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: fmv.h fa0, fa1 ; RV64IZFH-NEXT: .LBB14_2: ; RV64IZFH-NEXT: ret %1 = fcmp uno half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } define half @select_fcmp_true(half %a, half %b) nounwind { ; RV32IZFH-LABEL: select_fcmp_true: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: select_fcmp_true: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: ret %1 = fcmp true half %a, %b %2 = select i1 %1, half %a, half %b ret half %2 } ; Ensure that ISel succeeds for a select+fcmp that has an i32 result type. define i32 @i32_select_fcmp_oeq(half %a, half %b, i32 %c, i32 %d) nounwind { ; RV32IZFH-LABEL: i32_select_fcmp_oeq: ; RV32IZFH: # %bb.0: ; RV32IZFH-NEXT: feq.h a2, fa0, fa1 ; RV32IZFH-NEXT: bnez a2, .LBB16_2 ; RV32IZFH-NEXT: # %bb.1: ; RV32IZFH-NEXT: mv a0, a1 ; RV32IZFH-NEXT: .LBB16_2: ; RV32IZFH-NEXT: ret ; ; RV64IZFH-LABEL: i32_select_fcmp_oeq: ; RV64IZFH: # %bb.0: ; RV64IZFH-NEXT: feq.h a2, fa0, fa1 ; RV64IZFH-NEXT: bnez a2, .LBB16_2 ; RV64IZFH-NEXT: # %bb.1: ; RV64IZFH-NEXT: mv a0, a1 ; RV64IZFH-NEXT: .LBB16_2: ; RV64IZFH-NEXT: ret %1 = fcmp oeq half %a, %b %2 = select i1 %1, i32 %c, i32 %d ret i32 %2 }