[llvm] 8b81d06 - AMDGPU: global_atomic_csub is not always dereferenceable

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2020-07-27T18:47:39-04:00
New Revision: 8b81d0633f1ebaf1392e6509b34694de05c94de7

URL: https://github.com/llvm/llvm-project/commit/8b81d0633f1ebaf1392e6509b34694de05c94de7
DIFF: https://github.com/llvm/llvm-project/commit/8b81d0633f1ebaf1392e6509b34694de05c94de7.diff

LOG: AMDGPU: global_atomic_csub is not always dereferenceable

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/SIISelLowering.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index fa2a96d33952b..c92065f7495a2 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -1137,7 +1137,6 @@ bool SITargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
     Info.align.reset();
     Info.flags = MachineMemOperand::MOLoad |
                  MachineMemOperand::MOStore |
-                 MachineMemOperand::MODereferenceable |
                  MachineMemOperand::MOVolatile;
     return true;
   }