; 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 @select_fcmp_false(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_false: ; RV32IF: # %bb.0: ; RV32IF-NEXT: mv a0, a1 ; RV32IF-NEXT: ret %1 = fcmp false float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_oeq(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_oeq: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: feq.s a0, ft0, ft1 ; RV32IF-NEXT: bnez a0, .LBB1_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB1_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp oeq float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_ogt(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_ogt: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: flt.s a0, ft1, ft0 ; RV32IF-NEXT: bnez a0, .LBB2_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB2_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp ogt float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_oge(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_oge: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: fle.s a0, ft1, ft0 ; RV32IF-NEXT: bnez a0, .LBB3_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB3_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp oge float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_olt(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_olt: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: flt.s a0, ft0, ft1 ; RV32IF-NEXT: bnez a0, .LBB4_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB4_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp olt float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_ole(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_ole: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fle.s a0, ft0, ft1 ; RV32IF-NEXT: bnez a0, .LBB5_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB5_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp ole float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_one(float %a, float %b) nounwind { ; TODO: feq.s+sltiu+bne sequence could be optimised ; RV32IF-LABEL: select_fcmp_one: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: feq.s a0, ft1, ft1 ; RV32IF-NEXT: feq.s a1, ft0, ft0 ; RV32IF-NEXT: and a0, a1, a0 ; RV32IF-NEXT: feq.s a1, ft0, ft1 ; RV32IF-NEXT: not a1, a1 ; RV32IF-NEXT: seqz a0, a0 ; RV32IF-NEXT: xori a0, a0, 1 ; RV32IF-NEXT: and a0, a1, a0 ; RV32IF-NEXT: bnez a0, .LBB6_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB6_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp one float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_ord(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_ord: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: feq.s a0, ft1, ft1 ; RV32IF-NEXT: feq.s a1, ft0, ft0 ; RV32IF-NEXT: and a0, a1, a0 ; RV32IF-NEXT: seqz a0, a0 ; RV32IF-NEXT: xori a0, a0, 1 ; RV32IF-NEXT: bnez a0, .LBB7_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB7_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp ord float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_ueq(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_ueq: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: feq.s a0, ft1, ft1 ; RV32IF-NEXT: feq.s a1, ft0, ft0 ; RV32IF-NEXT: and a0, a1, a0 ; RV32IF-NEXT: seqz a0, a0 ; RV32IF-NEXT: feq.s a1, ft0, ft1 ; RV32IF-NEXT: or a0, a1, a0 ; RV32IF-NEXT: bnez a0, .LBB8_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB8_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp ueq float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_ugt(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_ugt: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fle.s a0, ft0, ft1 ; RV32IF-NEXT: xori a0, a0, 1 ; RV32IF-NEXT: bnez a0, .LBB9_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB9_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp ugt float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_uge(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_uge: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: flt.s a0, ft0, ft1 ; RV32IF-NEXT: xori a0, a0, 1 ; RV32IF-NEXT: bnez a0, .LBB10_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB10_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp uge float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_ult(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_ult: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: fle.s a0, ft1, ft0 ; RV32IF-NEXT: xori a0, a0, 1 ; RV32IF-NEXT: bnez a0, .LBB11_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB11_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp ult float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_ule(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_ule: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: flt.s a0, ft1, ft0 ; RV32IF-NEXT: xori a0, a0, 1 ; RV32IF-NEXT: bnez a0, .LBB12_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB12_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp ule float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_une(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_une: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: feq.s a0, ft0, ft1 ; RV32IF-NEXT: xori a0, a0, 1 ; RV32IF-NEXT: bnez a0, .LBB13_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB13_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp une float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_uno(float %a, float %b) nounwind { ; TODO: sltiu+bne could be optimized ; RV32IF-LABEL: select_fcmp_uno: ; RV32IF: # %bb.0: ; RV32IF-NEXT: fmv.w.x ft0, a0 ; RV32IF-NEXT: fmv.w.x ft1, a1 ; RV32IF-NEXT: feq.s a0, ft1, ft1 ; RV32IF-NEXT: feq.s a1, ft0, ft0 ; RV32IF-NEXT: and a0, a1, a0 ; RV32IF-NEXT: seqz a0, a0 ; RV32IF-NEXT: bnez a0, .LBB14_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: fmv.s ft0, ft1 ; RV32IF-NEXT: .LBB14_2: ; RV32IF-NEXT: fmv.x.w a0, ft0 ; RV32IF-NEXT: ret %1 = fcmp uno float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } define float @select_fcmp_true(float %a, float %b) nounwind { ; RV32IF-LABEL: select_fcmp_true: ; RV32IF: # %bb.0: ; RV32IF-NEXT: ret %1 = fcmp true float %a, %b %2 = select i1 %1, float %a, float %b ret float %2 } ; Ensure that ISel succeeds for a select+fcmp that has an i32 result type. define i32 @i32_select_fcmp_oeq(float %a, float %b, i32 %c, i32 %d) nounwind { ; RV32IF-LABEL: i32_select_fcmp_oeq: ; 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: bnez a0, .LBB16_2 ; RV32IF-NEXT: # %bb.1: ; RV32IF-NEXT: mv a2, a3 ; RV32IF-NEXT: .LBB16_2: ; RV32IF-NEXT: mv a0, a2 ; RV32IF-NEXT: ret %1 = fcmp oeq float %a, %b %2 = select i1 %1, i32 %c, i32 %d ret i32 %2 }