[PATCH] D20552: AMDGPU: Allow clustering flat memory operations

[Matt Arsenault via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: tstellarAMD.
arsenm added a subscriber: llvm-commits.
Herald added subscribers: kzhuravl, arsenm.

http://reviews.llvm.org/D20552

Files:
  lib/Target/AMDGPU/SIInstrInfo.cpp

Index: lib/Target/AMDGPU/SIInstrInfo.cpp
===================================================================
--- lib/Target/AMDGPU/SIInstrInfo.cpp
+++ lib/Target/AMDGPU/SIInstrInfo.cpp
@@ -304,7 +304,8 @@
 	const MachineOperand *SecondDst = nullptr;
 
   if ((isMUBUF(*FirstLdSt) && isMUBUF(*SecondLdSt)) ||
-      (isMTBUF(*FirstLdSt) && isMTBUF(*SecondLdSt))) {
+      (isMTBUF(*FirstLdSt) && isMTBUF(*SecondLdSt)) ||
+      (isFLAT(*FirstLdSt) && isFLAT(*SecondLdSt))) {
     FirstDst = getNamedOperand(*FirstLdSt, AMDGPU::OpName::vdata);
     SecondDst = getNamedOperand(*SecondLdSt, AMDGPU::OpName::vdata);
   } else if (isSMRD(*FirstLdSt) && isSMRD(*SecondLdSt)) {


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