30abc1a6a1
From the opengroup specifications, atan2 may fail if the result underflows and atan may fail if the argument is subnormal, but we assume that does not happen and eliminate the calls if we can constant fold the result at compile-time. Differential Revision: https://reviews.llvm.org/D127964
102 lines
2.7 KiB
LLVM
102 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -early-cse -earlycse-debug-hash -S -o - %s | FileCheck %s
|
|
|
|
declare double @atan2(double, double) #0
|
|
define double @f_atan2() {
|
|
; CHECK-LABEL: @f_atan2(
|
|
; CHECK-NEXT: ret double 0x3FDDAC6{{.+}}
|
|
;
|
|
%res = tail call fast double @atan2(double 1.0, double 2.0)
|
|
ret double %res
|
|
}
|
|
|
|
declare float @fmodf(float, float) #0
|
|
define float @f_fmodf() {
|
|
; CHECK-LABEL: @f_fmodf(
|
|
; CHECK-NEXT: ret float 1.000000e+00
|
|
;
|
|
%res = tail call fast float @fmodf(float 1.0, float 2.0)
|
|
ret float %res
|
|
}
|
|
|
|
declare float @remainderf(float, float) #0
|
|
define float @f_remainderf_fold1() {
|
|
; CHECK-LABEL: @f_remainderf_fold1(
|
|
; CHECK-NEXT: ret float 1.000000e+00
|
|
;
|
|
%res = tail call fast float @remainderf(float 1.0, float 2.0)
|
|
ret float %res
|
|
}
|
|
|
|
define float @f_remainderf_fold2() {
|
|
; CHECK-LABEL: @f_remainderf_fold2(
|
|
; CHECK-NEXT: ret float -5.000000e-01
|
|
;
|
|
%res = tail call fast float @remainderf(float 1.5, float 1.0)
|
|
ret float %res
|
|
}
|
|
|
|
define float @f_remainderf_nofold() {
|
|
; CHECK-LABEL: @f_remainderf_nofold(
|
|
; CHECK-NEXT: [[RES:%.*]] = tail call fast float @remainderf(float 1.000000e+00, float 0.000000e+00)
|
|
; CHECK-NEXT: ret float [[RES]]
|
|
;
|
|
%res = tail call fast float @remainderf(float 1.0, float 0.0)
|
|
ret float %res
|
|
}
|
|
|
|
declare double @remainder(double, double) #0
|
|
define double @f_remainder_fold1() {
|
|
; CHECK-LABEL: @f_remainder_fold1(
|
|
; CHECK-NEXT: ret double 1.000000e+00
|
|
;
|
|
%res = tail call fast double @remainder(double 1.0, double 2.0)
|
|
ret double %res
|
|
}
|
|
|
|
define double @f_remainder_fold2() {
|
|
; CHECK-LABEL: @f_remainder_fold2(
|
|
; CHECK-NEXT: ret double -5.000000e-01
|
|
;
|
|
%res = tail call fast double @remainder(double 1.5, double 1.0)
|
|
ret double %res
|
|
}
|
|
|
|
define double @f_remainder_nofold() {
|
|
; CHECK-LABEL: @f_remainder_nofold(
|
|
; CHECK-NEXT: [[RES:%.*]] = tail call fast double @remainder(double 1.000000e+00, double 0.000000e+00)
|
|
; CHECK-NEXT: ret double [[RES]]
|
|
;
|
|
%res = tail call fast double @remainder(double 1.0, double 0.0)
|
|
ret double %res
|
|
}
|
|
|
|
declare double @pow(double, double) #0
|
|
define double @f_pow() {
|
|
; CHECK-LABEL: @f_pow(
|
|
; CHECK-NEXT: ret double 1.000000e+00
|
|
;
|
|
%res = tail call fast double @pow(double 1.0, double 2.0)
|
|
ret double %res
|
|
}
|
|
|
|
declare float @llvm.pow.f32(float, float)
|
|
define float @i_powf() {
|
|
; CHECK-LABEL: @i_powf(
|
|
; CHECK-NEXT: ret float 1.000000e+00
|
|
;
|
|
%res = tail call fast float @llvm.pow.f32(float 1.0, float 2.0)
|
|
ret float %res
|
|
}
|
|
|
|
declare double @llvm.powi.f64.i32(double, i32)
|
|
define double @i_powi() {
|
|
; CHECK-LABEL: @i_powi(
|
|
; CHECK-NEXT: ret double 1.000000e+00
|
|
;
|
|
%res = tail call fast double @llvm.powi.f64.i32(double 1.0, i32 2)
|
|
ret double %res
|
|
}
|
|
|
|
attributes #0 = { nofree nounwind willreturn }
|