1 ; RUN: llc -mtriple=arm64 -fp-contract=fast -o - %s | FileCheck %s
4 ; Make sure we don't try to fold an fneg into +0.0, creating an illegal constant
5 ; -0.0. It's also good, though not essential, that we don't resort to a litpool.
6 define double @test_fms_fold(double %a, double %b) {
7 ; CHECK-LABEL: test_fms_fold:
8 ; CHECK: fmov {{d[0-9]+}}, xzr
10 %mul = fmul double %a, 0.000000e+00
11 %mul1 = fmul double %b, 0.000000e+00
12 %sub = fsub double %mul, %mul1