1 ; RUN: llc -mtriple=arm64 -fp-contract=fast -o - %s | FileCheck %s 2 3 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 9 ; CHECK: ret 10 %mul = fmul double %a, 0.000000e+00 11 %mul1 = fmul double %b, 0.000000e+00 12 %sub = fsub double %mul, %mul1 13 ret double %sub 14 }
