189 lines
5.0 KiB
LLVM
189 lines
5.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV32IF %s
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define float @fadd_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: fadd_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: fadd.s ft0, ft1, ft0
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = fadd float %a, %b
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ret float %1
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}
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define float @fsub_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: fsub_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: fsub.s ft0, ft1, ft0
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = fsub float %a, %b
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ret float %1
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}
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define float @fmul_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: fmul_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: fmul.s ft0, ft1, ft0
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = fmul float %a, %b
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ret float %1
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}
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define float @fdiv_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: fdiv_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: fdiv.s ft0, ft1, ft0
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = fdiv float %a, %b
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ret float %1
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}
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declare float @llvm.sqrt.f32(float)
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define float @fsqrt_s(float %a) nounwind {
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; RV32IF-LABEL: fsqrt_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a0
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; RV32IF-NEXT: fsqrt.s ft0, ft0
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = call float @llvm.sqrt.f32(float %a)
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ret float %1
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}
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declare float @llvm.copysign.f32(float, float)
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define float @fsgnj_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: fsgnj_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: fsgnj.s ft0, ft1, ft0
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = call float @llvm.copysign.f32(float %a, float %b)
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ret float %1
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}
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define float @fneg_s(float %a) nounwind {
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; TODO: doesn't test the fneg selection pattern because
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; DAGCombiner::visitBITCAST will generate a xor on the incoming integer
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; argument
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; RV32IF-LABEL: fneg_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: lui a1, 524288
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; RV32IF-NEXT: xor a0, a0, a1
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; RV32IF-NEXT: ret
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%1 = fsub float -0.0, %a
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ret float %1
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}
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define float @fsgnjn_s(float %a, float %b) nounwind {
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; TODO: fsgnjn.s isn't selected because DAGCombiner::visitBITCAST will convert
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; (bitconvert (fneg x)) to a xor
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; RV32IF-LABEL: fsgnjn_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: lui a2, 524288
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; RV32IF-NEXT: xor a1, a1, a2
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: fsgnj.s ft0, ft1, ft0
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = fsub float -0.0, %b
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%2 = call float @llvm.copysign.f32(float %a, float %1)
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ret float %2
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}
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declare float @llvm.fabs.f32(float)
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define float @fabs_s(float %a) nounwind {
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; TODO: doesn't test the fabs selection pattern because
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; DAGCombiner::visitBITCAST will generate an and on the incoming integer
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; argument
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; RV32IF-LABEL: fabs_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: lui a1, 524288
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; RV32IF-NEXT: addi a1, a1, -1
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; RV32IF-NEXT: and a0, a0, a1
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; RV32IF-NEXT: ret
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%1 = call float @llvm.fabs.f32(float %a)
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ret float %1
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}
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declare float @llvm.minnum.f32(float, float)
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define float @fmin_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: fmin_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: fmin.s ft0, ft1, ft0
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = call float @llvm.minnum.f32(float %a, float %b)
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ret float %1
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}
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declare float @llvm.maxnum.f32(float, float)
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define float @fmax_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: fmax_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: fmax.s ft0, ft1, ft0
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = call float @llvm.maxnum.f32(float %a, float %b)
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ret float %1
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}
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define i32 @feq_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: feq_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: feq.s a0, ft1, ft0
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; RV32IF-NEXT: ret
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%1 = fcmp oeq float %a, %b
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%2 = zext i1 %1 to i32
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ret i32 %2
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}
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define i32 @flt_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: flt_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: flt.s a0, ft1, ft0
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; RV32IF-NEXT: ret
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%1 = fcmp olt float %a, %b
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%2 = zext i1 %1 to i32
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ret i32 %2
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}
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define i32 @fle_s(float %a, float %b) nounwind {
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; RV32IF-LABEL: fle_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a1
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; RV32IF-NEXT: fmv.w.x ft1, a0
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; RV32IF-NEXT: fle.s a0, ft1, ft0
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; RV32IF-NEXT: ret
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%1 = fcmp ole float %a, %b
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%2 = zext i1 %1 to i32
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ret i32 %2
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}
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