[PATCH] D11060: AMDGPU/SI: Select mad patterns to v_mac_f32

[Tom Stellard]

tstellarAMD added inline comments.

================
Comment at: lib/Target/AMDGPU/SIFoldOperands.cpp:131
@@ +130,3 @@
+                              const MachineInstr *MI) {
+  for (auto Candidate : FoldList) {
+    if (Candidate.UseMI == MI)
----------------
arsenm wrote:
> tstellarAMD wrote:
> > arsenm wrote:
> > > FoldList seems like it should be a set or map instead
> > A map with UseMI as the Key and FoldCandidate as the value?
> Yes. Is there a reason FoldList will be known to be small?
The size of FoldList is the number of unique uses of a register, so it will usually be small.


http://reviews.llvm.org/D11060