1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
; 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 }
|
