llvm/test/Transforms/InstCombine/logb.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

define float @logbf_const() {
; CHECK-LABEL: define float @logbf_const() {
; CHECK-NEXT:    [[R:%.*]] = call float @logbf(float 7.000000e+00)
; CHECK-NEXT:    ret float 2.000000e+00
;
  %r = call float @logbf(float 7.000000e+00)
  ret float %r
}

define double @logb_const() {
; CHECK-LABEL: define double @logb_const() {
; CHECK-NEXT:    [[R:%.*]] = call double @logb(double -7.000000e+00)
; CHECK-NEXT:    ret double 2.000000e+00
;
  %r = call double @logb(double -7.000000e+00)
  ret double %r
}

define float @logbf_zero() {
; CHECK-LABEL: define float @logbf_zero() {
; CHECK-NEXT:    [[R:%.*]] = call float @logbf(float 0.000000e+00)
; CHECK-NEXT:    ret float [[R]]
;
  %r = call float @logbf(float 0.000000e+00)
  ret float %r
}

define double @logb_zero() {
; CHECK-LABEL: define double @logb_zero() {
; CHECK-NEXT:    [[R:%.*]] = call double @logb(double 0.000000e+00)
; CHECK-NEXT:    ret double [[R]]
;
  %r = call double @logb(double 0.000000e+00)
  ret double %r
}

define float @logbf_neg_zero() {
; CHECK-LABEL: define float @logbf_neg_zero() {
; CHECK-NEXT:    [[R:%.*]] = call float @logbf(float -0.000000e+00)
; CHECK-NEXT:    ret float [[R]]
;
  %r = call float @logbf(float -0.000000e+00)
  ret float %r
}

define double @logb_neg_zero() {
; CHECK-LABEL: define double @logb_neg_zero() {
; CHECK-NEXT:    [[R:%.*]] = call double @logb(double -0.000000e+00)
; CHECK-NEXT:    ret double [[R]]
;
  %r = call double @logb(double -0.000000e+00)
  ret double %r
}

define float @logbf_inf() {
; CHECK-LABEL: define float @logbf_inf() {
; CHECK-NEXT:    [[R:%.*]] = call float @logbf(float 0x7FF0000000000000)
; CHECK-NEXT:    ret float [[R]]
;
  %r = call float @logbf(float 0x7FF0000000000000)
  ret float %r
}

define double @logb_inf() {
; CHECK-LABEL: define double @logb_inf() {
; CHECK-NEXT:    [[R:%.*]] = call double @logb(double 0x7FF0000000000000)
; CHECK-NEXT:    ret double [[R]]
;
  %r = call double @logb(double 0x7FF0000000000000)
  ret double %r
}

define float @logbf_nan() {
; CHECK-LABEL: define float @logbf_nan() {
; CHECK-NEXT:    [[R:%.*]] = call float @logbf(float 0x7FF8000000000000)
; CHECK-NEXT:    ret float [[R]]
;
  %r = call float @logbf(float 0x7FF8000000000000)
  ret float %r
}

define double @logb_nan() {
; CHECK-LABEL: define double @logb_nan() {
; CHECK-NEXT:    [[R:%.*]] = call double @logb(double 0x7FF8000000000000)
; CHECK-NEXT:    ret double [[R]]
;
  %r = call double @logb(double 0x7FF8000000000000)
  ret double %r
}

define float @logbf_poison() {
; CHECK-LABEL: define float @logbf_poison() {
; CHECK-NEXT:    [[R:%.*]] = call float @logbf(float poison)
; CHECK-NEXT:    ret float [[R]]
;
  %r = call float @logbf(float poison)
  ret float %r
}

define double @logb_poison() {
; CHECK-LABEL: define double @logb_poison() {
; CHECK-NEXT:    [[R:%.*]] = call double @logb(double poison)
; CHECK-NEXT:    ret double [[R]]
;
  %r = call double @logb(double poison)
  ret double %r
}

declare float @logbf(float)
declare double @logb(double)