26 lines
780 B
LLVM
26 lines
780 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S < %s -instcombine | FileCheck %s
|
|
|
|
target triple = "x86_64"
|
|
|
|
define double @pow_exp(double %x, double %y) {
|
|
; CHECK-LABEL: @pow_exp(
|
|
; CHECK-NEXT: [[MUL:%.*]] = fmul fast double [[X:%.*]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[EXP:%.*]] = call fast double @llvm.exp.f64(double [[MUL]])
|
|
; CHECK-NEXT: ret double [[EXP]]
|
|
;
|
|
%A = alloca i1
|
|
%call = call fast double @exp(double %x) #1
|
|
%pow = call fast double @llvm.pow.f64(double %call, double %y)
|
|
%C1 = fcmp ule double %call, %pow
|
|
store i1 %C1, i1* %A
|
|
ret double %pow
|
|
}
|
|
|
|
declare double @exp(double)
|
|
|
|
declare double @llvm.pow.f64(double, double) #0
|
|
|
|
attributes #0 = { nounwind readnone speculatable }
|
|
attributes #1 = { nounwind readnone }
|