Differential Revision: https://reviews.llvm.org/D64430

llvm-svn: 365528

This wasn't setting some of the features from older generations.

llvm-svn: 364123

Differential Revision: https://reviews.llvm.org/D63308

llvm-svn: 363345

Differential Revision: https://reviews.llvm.org/D61875

llvm-svn: 360634

Differential Revision: https://reviews.llvm.org/D60293

llvm-svn: 357792

Differential Revision: https://reviews.llvm.org/D57972

llvm-svn: 353588

Differential Revision: https://reviews.llvm.org/D56525

llvm-svn: 350794

Fast FMAF is not a sufficient condition to enable denormals.
Before VI, enabling denormals caused F32 instructions to
run at F64 speeds.

llvm-svn: 339278

llvm-svn: 339110

llvm-svn: 339109

Changes by
  Matt Arsenault
  Konstantin Zhuravlyov

llvm-svn: 331216