1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=arm64 -fp-contract=fast -o - %s | FileCheck %s 3 4 5; Make sure we don't try to fold an fneg into +0.0, creating an illegal constant 6; -0.0. It's also good, though not essential, that we don't resort to a litpool. 7define double @test_fms_fold(double %a, double %b) { 8; CHECK-LABEL: test_fms_fold: 9; CHECK: // %bb.0: 10; CHECK-NEXT: movi d2, #0000000000000000 11; CHECK-NEXT: fmul d1, d1, d2 12; CHECK-NEXT: fnmsub d0, d0, d2, d1 13; CHECK-NEXT: ret 14 %mul = fmul double %a, 0.000000e+00 15 %mul1 = fmul double %b, 0.000000e+00 16 %sub = fsub double %mul, %mul1 17 ret double %sub 18} 19