From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Wed, 1 Feb 2017 20:22:51 +0000 (+0000)
Subject: AMDGPU: Allow clustering flat memory operations
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cf0f31bd2327763edbfcacb0101ade947008edd1;p=llvm

AMDGPU: Allow clustering flat memory operations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293809 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/AMDGPU/SIInstrInfo.cpp b/lib/Target/AMDGPU/SIInstrInfo.cpp
index ca1fa94d812..e718b459ec3 100644
--- a/lib/Target/AMDGPU/SIInstrInfo.cpp
+++ b/lib/Target/AMDGPU/SIInstrInfo.cpp
@@ -315,7 +315,8 @@ bool SIInstrInfo::shouldClusterMemOps(MachineInstr &FirstLdSt,
   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)) {