log2_not_readnone.ll
465 Bytes
; RUN: llc -mtriple=arm-linux-gnueabi %s -o - | FileCheck %s
; Log2 and exp2 are string-matched to intrinsics. If they are not declared
; readnone, they can't be changed to intrinsics (because they can change errno).
declare double @log2(double)
declare double @exp2(double)
define void @f() {
; CHECK: bl log2
%1 = call double @log2(double 0.000000e+00)
; CHECK: bl exp2
%2 = call double @exp2(double 0.000000e+00)
ret void
}