xref: /llvm-project/llvm/test/CodeGen/RISCV/double-maximum-minimum.ll (revision 576d81baa5cf1801bae0fd05892be34acde33c6a)

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+d \
; RUN:   -verify-machineinstrs -target-abi=ilp32d \
; RUN:   | FileCheck -check-prefixes=CHECKIFD,RV32IFD %s
; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+d \
; RUN:   -verify-machineinstrs -target-abi=lp64d \
; RUN:   | FileCheck -check-prefixes=CHECKIFD,RV64IFD %s
; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+zdinx \
; RUN:   -verify-machineinstrs -target-abi=ilp32 \
; RUN:   | FileCheck -check-prefix=RV32IZFINXZDINX %s
; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+zdinx \
; RUN:   -verify-machineinstrs -target-abi=lp64 \
; RUN:   | FileCheck -check-prefix=RV64IZFINXZDINX %s

declare double @llvm.minimum.f64(double, double)

define double @fminimum_f64(double %a, double %b) nounwind {
; CHECKIFD-LABEL: fminimum_f64:
; CHECKIFD:       # %bb.0:
; CHECKIFD-NEXT:    feq.d a0, fa0, fa0
; CHECKIFD-NEXT:    fmv.d fa5, fa1
; CHECKIFD-NEXT:    beqz a0, .LBB0_3
; CHECKIFD-NEXT:  # %bb.1:
; CHECKIFD-NEXT:    feq.d a0, fa1, fa1
; CHECKIFD-NEXT:    beqz a0, .LBB0_4
; CHECKIFD-NEXT:  .LBB0_2:
; CHECKIFD-NEXT:    fmin.d fa0, fa0, fa5
; CHECKIFD-NEXT:    ret
; CHECKIFD-NEXT:  .LBB0_3:
; CHECKIFD-NEXT:    fmv.d fa5, fa0
; CHECKIFD-NEXT:    feq.d a0, fa1, fa1
; CHECKIFD-NEXT:    bnez a0, .LBB0_2
; CHECKIFD-NEXT:  .LBB0_4:
; CHECKIFD-NEXT:    fmin.d fa0, fa1, fa5
; CHECKIFD-NEXT:    ret
;
; RV32IZFINXZDINX-LABEL: fminimum_f64:
; RV32IZFINXZDINX:       # %bb.0:
; RV32IZFINXZDINX-NEXT:    feq.d a6, a0, a0
; RV32IZFINXZDINX-NEXT:    mv a4, a2
; RV32IZFINXZDINX-NEXT:    mv a5, a3
; RV32IZFINXZDINX-NEXT:    beqz a6, .LBB0_3
; RV32IZFINXZDINX-NEXT:  # %bb.1:
; RV32IZFINXZDINX-NEXT:    feq.d a6, a2, a2
; RV32IZFINXZDINX-NEXT:    beqz a6, .LBB0_4
; RV32IZFINXZDINX-NEXT:  .LBB0_2:
; RV32IZFINXZDINX-NEXT:    fmin.d a0, a0, a4
; RV32IZFINXZDINX-NEXT:    ret
; RV32IZFINXZDINX-NEXT:  .LBB0_3:
; RV32IZFINXZDINX-NEXT:    mv a4, a0
; RV32IZFINXZDINX-NEXT:    mv a5, a1
; RV32IZFINXZDINX-NEXT:    feq.d a6, a2, a2
; RV32IZFINXZDINX-NEXT:    bnez a6, .LBB0_2
; RV32IZFINXZDINX-NEXT:  .LBB0_4:
; RV32IZFINXZDINX-NEXT:    mv a0, a2
; RV32IZFINXZDINX-NEXT:    mv a1, a3
; RV32IZFINXZDINX-NEXT:    fmin.d a0, a0, a4
; RV32IZFINXZDINX-NEXT:    ret
;
; RV64IZFINXZDINX-LABEL: fminimum_f64:
; RV64IZFINXZDINX:       # %bb.0:
; RV64IZFINXZDINX-NEXT:    feq.d a3, a0, a0
; RV64IZFINXZDINX-NEXT:    mv a2, a1
; RV64IZFINXZDINX-NEXT:    beqz a3, .LBB0_3
; RV64IZFINXZDINX-NEXT:  # %bb.1:
; RV64IZFINXZDINX-NEXT:    feq.d a3, a1, a1
; RV64IZFINXZDINX-NEXT:    beqz a3, .LBB0_4
; RV64IZFINXZDINX-NEXT:  .LBB0_2:
; RV64IZFINXZDINX-NEXT:    fmin.d a0, a0, a2
; RV64IZFINXZDINX-NEXT:    ret
; RV64IZFINXZDINX-NEXT:  .LBB0_3:
; RV64IZFINXZDINX-NEXT:    mv a2, a0
; RV64IZFINXZDINX-NEXT:    feq.d a3, a1, a1
; RV64IZFINXZDINX-NEXT:    bnez a3, .LBB0_2
; RV64IZFINXZDINX-NEXT:  .LBB0_4:
; RV64IZFINXZDINX-NEXT:    fmin.d a0, a1, a2
; RV64IZFINXZDINX-NEXT:    ret
  %1 = call double @llvm.minimum.f64(double %a, double %b)
  ret double %1
}

declare double @llvm.maximum.f64(double, double)

define double @fmaximum_f64(double %a, double %b) nounwind {
; CHECKIFD-LABEL: fmaximum_f64:
; CHECKIFD:       # %bb.0:
; CHECKIFD-NEXT:    feq.d a0, fa0, fa0
; CHECKIFD-NEXT:    fmv.d fa5, fa1
; CHECKIFD-NEXT:    beqz a0, .LBB1_3
; CHECKIFD-NEXT:  # %bb.1:
; CHECKIFD-NEXT:    feq.d a0, fa1, fa1
; CHECKIFD-NEXT:    beqz a0, .LBB1_4
; CHECKIFD-NEXT:  .LBB1_2:
; CHECKIFD-NEXT:    fmax.d fa0, fa0, fa5
; CHECKIFD-NEXT:    ret
; CHECKIFD-NEXT:  .LBB1_3:
; CHECKIFD-NEXT:    fmv.d fa5, fa0
; CHECKIFD-NEXT:    feq.d a0, fa1, fa1
; CHECKIFD-NEXT:    bnez a0, .LBB1_2
; CHECKIFD-NEXT:  .LBB1_4:
; CHECKIFD-NEXT:    fmax.d fa0, fa1, fa5
; CHECKIFD-NEXT:    ret
;
; RV32IZFINXZDINX-LABEL: fmaximum_f64:
; RV32IZFINXZDINX:       # %bb.0:
; RV32IZFINXZDINX-NEXT:    feq.d a6, a0, a0
; RV32IZFINXZDINX-NEXT:    mv a4, a2
; RV32IZFINXZDINX-NEXT:    mv a5, a3
; RV32IZFINXZDINX-NEXT:    beqz a6, .LBB1_3
; RV32IZFINXZDINX-NEXT:  # %bb.1:
; RV32IZFINXZDINX-NEXT:    feq.d a6, a2, a2
; RV32IZFINXZDINX-NEXT:    beqz a6, .LBB1_4
; RV32IZFINXZDINX-NEXT:  .LBB1_2:
; RV32IZFINXZDINX-NEXT:    fmax.d a0, a0, a4
; RV32IZFINXZDINX-NEXT:    ret
; RV32IZFINXZDINX-NEXT:  .LBB1_3:
; RV32IZFINXZDINX-NEXT:    mv a4, a0
; RV32IZFINXZDINX-NEXT:    mv a5, a1
; RV32IZFINXZDINX-NEXT:    feq.d a6, a2, a2
; RV32IZFINXZDINX-NEXT:    bnez a6, .LBB1_2
; RV32IZFINXZDINX-NEXT:  .LBB1_4:
; RV32IZFINXZDINX-NEXT:    mv a0, a2
; RV32IZFINXZDINX-NEXT:    mv a1, a3
; RV32IZFINXZDINX-NEXT:    fmax.d a0, a0, a4
; RV32IZFINXZDINX-NEXT:    ret
;
; RV64IZFINXZDINX-LABEL: fmaximum_f64:
; RV64IZFINXZDINX:       # %bb.0:
; RV64IZFINXZDINX-NEXT:    feq.d a3, a0, a0
; RV64IZFINXZDINX-NEXT:    mv a2, a1
; RV64IZFINXZDINX-NEXT:    beqz a3, .LBB1_3
; RV64IZFINXZDINX-NEXT:  # %bb.1:
; RV64IZFINXZDINX-NEXT:    feq.d a3, a1, a1
; RV64IZFINXZDINX-NEXT:    beqz a3, .LBB1_4
; RV64IZFINXZDINX-NEXT:  .LBB1_2:
; RV64IZFINXZDINX-NEXT:    fmax.d a0, a0, a2
; RV64IZFINXZDINX-NEXT:    ret
; RV64IZFINXZDINX-NEXT:  .LBB1_3:
; RV64IZFINXZDINX-NEXT:    mv a2, a0
; RV64IZFINXZDINX-NEXT:    feq.d a3, a1, a1
; RV64IZFINXZDINX-NEXT:    bnez a3, .LBB1_2
; RV64IZFINXZDINX-NEXT:  .LBB1_4:
; RV64IZFINXZDINX-NEXT:    fmax.d a0, a1, a2
; RV64IZFINXZDINX-NEXT:    ret
  %1 = call double @llvm.maximum.f64(double %a, double %b)
  ret double %1
}

define double @fminimum_nnan_f64(double %a, double %b) nounwind {
; CHECKIFD-LABEL: fminimum_nnan_f64:
; CHECKIFD:       # %bb.0:
; CHECKIFD-NEXT:    fmin.d fa0, fa0, fa1
; CHECKIFD-NEXT:    ret
;
; RV32IZFINXZDINX-LABEL: fminimum_nnan_f64:
; RV32IZFINXZDINX:       # %bb.0:
; RV32IZFINXZDINX-NEXT:    fmin.d a0, a0, a2
; RV32IZFINXZDINX-NEXT:    ret
;
; RV64IZFINXZDINX-LABEL: fminimum_nnan_f64:
; RV64IZFINXZDINX:       # %bb.0:
; RV64IZFINXZDINX-NEXT:    fmin.d a0, a0, a1
; RV64IZFINXZDINX-NEXT:    ret
  %1 = call nnan double @llvm.minimum.f64(double %a, double %b)
  ret double %1
}

define double @fmaximum_nnan_f64(double %a, double %b) nounwind {
; CHECKIFD-LABEL: fmaximum_nnan_f64:
; CHECKIFD:       # %bb.0:
; CHECKIFD-NEXT:    feq.d a0, fa0, fa0
; CHECKIFD-NEXT:    fmv.d fa5, fa1
; CHECKIFD-NEXT:    beqz a0, .LBB3_3
; CHECKIFD-NEXT:  # %bb.1:
; CHECKIFD-NEXT:    feq.d a0, fa1, fa1
; CHECKIFD-NEXT:    beqz a0, .LBB3_4
; CHECKIFD-NEXT:  .LBB3_2:
; CHECKIFD-NEXT:    fmin.d fa0, fa0, fa5
; CHECKIFD-NEXT:    ret
; CHECKIFD-NEXT:  .LBB3_3:
; CHECKIFD-NEXT:    fmv.d fa5, fa0
; CHECKIFD-NEXT:    feq.d a0, fa1, fa1
; CHECKIFD-NEXT:    bnez a0, .LBB3_2
; CHECKIFD-NEXT:  .LBB3_4:
; CHECKIFD-NEXT:    fmin.d fa0, fa1, fa5
; CHECKIFD-NEXT:    ret
;
; RV32IZFINXZDINX-LABEL: fmaximum_nnan_f64:
; RV32IZFINXZDINX:       # %bb.0:
; RV32IZFINXZDINX-NEXT:    feq.d a6, a0, a0
; RV32IZFINXZDINX-NEXT:    mv a4, a2
; RV32IZFINXZDINX-NEXT:    mv a5, a3
; RV32IZFINXZDINX-NEXT:    beqz a6, .LBB3_3
; RV32IZFINXZDINX-NEXT:  # %bb.1:
; RV32IZFINXZDINX-NEXT:    feq.d a6, a2, a2
; RV32IZFINXZDINX-NEXT:    beqz a6, .LBB3_4
; RV32IZFINXZDINX-NEXT:  .LBB3_2:
; RV32IZFINXZDINX-NEXT:    fmin.d a0, a0, a4
; RV32IZFINXZDINX-NEXT:    ret
; RV32IZFINXZDINX-NEXT:  .LBB3_3:
; RV32IZFINXZDINX-NEXT:    mv a4, a0
; RV32IZFINXZDINX-NEXT:    mv a5, a1
; RV32IZFINXZDINX-NEXT:    feq.d a6, a2, a2
; RV32IZFINXZDINX-NEXT:    bnez a6, .LBB3_2
; RV32IZFINXZDINX-NEXT:  .LBB3_4:
; RV32IZFINXZDINX-NEXT:    mv a0, a2
; RV32IZFINXZDINX-NEXT:    mv a1, a3
; RV32IZFINXZDINX-NEXT:    fmin.d a0, a0, a4
; RV32IZFINXZDINX-NEXT:    ret
;
; RV64IZFINXZDINX-LABEL: fmaximum_nnan_f64:
; RV64IZFINXZDINX:       # %bb.0:
; RV64IZFINXZDINX-NEXT:    feq.d a3, a0, a0
; RV64IZFINXZDINX-NEXT:    mv a2, a1
; RV64IZFINXZDINX-NEXT:    beqz a3, .LBB3_3
; RV64IZFINXZDINX-NEXT:  # %bb.1:
; RV64IZFINXZDINX-NEXT:    feq.d a3, a1, a1
; RV64IZFINXZDINX-NEXT:    beqz a3, .LBB3_4
; RV64IZFINXZDINX-NEXT:  .LBB3_2:
; RV64IZFINXZDINX-NEXT:    fmin.d a0, a0, a2
; RV64IZFINXZDINX-NEXT:    ret
; RV64IZFINXZDINX-NEXT:  .LBB3_3:
; RV64IZFINXZDINX-NEXT:    mv a2, a0
; RV64IZFINXZDINX-NEXT:    feq.d a3, a1, a1
; RV64IZFINXZDINX-NEXT:    bnez a3, .LBB3_2
; RV64IZFINXZDINX-NEXT:  .LBB3_4:
; RV64IZFINXZDINX-NEXT:    fmin.d a0, a1, a2
; RV64IZFINXZDINX-NEXT:    ret
  %1 = call double @llvm.minimum.f64(double %a, double %b)
  ret double %1
}

define double @fminimum_nnan_op_f64(double %a, double %b) nounwind {
; CHECKIFD-LABEL: fminimum_nnan_op_f64:
; CHECKIFD:       # %bb.0:
; CHECKIFD-NEXT:    feq.d a0, fa1, fa1
; CHECKIFD-NEXT:    bnez a0, .LBB4_2
; CHECKIFD-NEXT:  # %bb.1:
; CHECKIFD-NEXT:    fmin.d fa0, fa1, fa1
; CHECKIFD-NEXT:    ret
; CHECKIFD-NEXT:  .LBB4_2:
; CHECKIFD-NEXT:    fadd.d fa5, fa0, fa0
; CHECKIFD-NEXT:    fmin.d fa0, fa5, fa1
; CHECKIFD-NEXT:    ret
;
; RV32IZFINXZDINX-LABEL: fminimum_nnan_op_f64:
; RV32IZFINXZDINX:       # %bb.0:
; RV32IZFINXZDINX-NEXT:    feq.d a4, a2, a2
; RV32IZFINXZDINX-NEXT:    bnez a4, .LBB4_2
; RV32IZFINXZDINX-NEXT:  # %bb.1:
; RV32IZFINXZDINX-NEXT:    fmin.d a0, a2, a2
; RV32IZFINXZDINX-NEXT:    ret
; RV32IZFINXZDINX-NEXT:  .LBB4_2:
; RV32IZFINXZDINX-NEXT:    fadd.d a0, a0, a0
; RV32IZFINXZDINX-NEXT:    fmin.d a0, a0, a2
; RV32IZFINXZDINX-NEXT:    ret
;
; RV64IZFINXZDINX-LABEL: fminimum_nnan_op_f64:
; RV64IZFINXZDINX:       # %bb.0:
; RV64IZFINXZDINX-NEXT:    feq.d a2, a1, a1
; RV64IZFINXZDINX-NEXT:    bnez a2, .LBB4_2
; RV64IZFINXZDINX-NEXT:  # %bb.1:
; RV64IZFINXZDINX-NEXT:    fmin.d a0, a1, a1
; RV64IZFINXZDINX-NEXT:    ret
; RV64IZFINXZDINX-NEXT:  .LBB4_2:
; RV64IZFINXZDINX-NEXT:    fadd.d a0, a0, a0
; RV64IZFINXZDINX-NEXT:    fmin.d a0, a0, a1
; RV64IZFINXZDINX-NEXT:    ret
  %c = fadd nnan double %a, %a
  %1 = call double @llvm.minimum.f64(double %c, double %b)
  ret double %1
}

define double @fmaximum_nnan_op_f64(double %a, double %b) nounwind {
; CHECKIFD-LABEL: fmaximum_nnan_op_f64:
; CHECKIFD:       # %bb.0:
; CHECKIFD-NEXT:    fadd.d fa5, fa0, fa1
; CHECKIFD-NEXT:    fsub.d fa4, fa0, fa1
; CHECKIFD-NEXT:    fmax.d fa0, fa5, fa4
; CHECKIFD-NEXT:    ret
;
; RV32IZFINXZDINX-LABEL: fmaximum_nnan_op_f64:
; RV32IZFINXZDINX:       # %bb.0:
; RV32IZFINXZDINX-NEXT:    fadd.d a4, a0, a2
; RV32IZFINXZDINX-NEXT:    fsub.d a0, a0, a2
; RV32IZFINXZDINX-NEXT:    fmax.d a0, a4, a0
; RV32IZFINXZDINX-NEXT:    ret
;
; RV64IZFINXZDINX-LABEL: fmaximum_nnan_op_f64:
; RV64IZFINXZDINX:       # %bb.0:
; RV64IZFINXZDINX-NEXT:    fadd.d a2, a0, a1
; RV64IZFINXZDINX-NEXT:    fsub.d a0, a0, a1
; RV64IZFINXZDINX-NEXT:    fmax.d a0, a2, a0
; RV64IZFINXZDINX-NEXT:    ret
  %c = fadd nnan double %a, %b
  %d = fsub nnan double %a, %b
  %1 = call double @llvm.maximum.f64(double %c, double %d)
  ret double %1
}

;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; RV32IFD: {{.*}}
; RV64IFD: {{.*}}