[PATCH] D97938: [AMDGPU][GlobalISel] Transform (fadd (fma x, y, (fmul u, v)), z) -> (fma x, y, (fma u, v, z))

[Mirko Brkusanin via Phabricator via llvm-commits]

mbrkusanin accepted this revision.
mbrkusanin added a comment.
This revision is now accepted and ready to land.

LGTM (with a nit)



================
Comment at: llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp:4589-4593
+    if (std::distance(MRI.use_instr_nodbg_begin(LHS->getOperand(0).getReg()),
+                      MRI.use_instr_nodbg_end()) >
+        std::distance(MRI.use_instr_nodbg_begin(RHS->getOperand(0).getReg()),
+                      MRI.use_instr_nodbg_end()))
+      std::swap(LHS, RHS);
----------------
use hasMoreUses


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D97938/new/

https://reviews.llvm.org/D97938