[llvm] r352066 - [InlineAsm] Don't calculate registers for inline asm memory operands. NFCI.

[Nirav Dave via llvm-commits]

Author: niravd
Date: Thu Jan 24 09:47:18 2019
New Revision: 352066

URL: http://llvm.org/viewvc/llvm-project?rev=352066&view=rev
Log:
[InlineAsm] Don't calculate registers for inline asm memory operands. NFCI.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp?rev=352066&r1=352065&r2=352066&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Thu Jan 24 09:47:18 2019
@@ -7345,6 +7345,10 @@ static void GetRegistersForValue(Selecti
   SmallVector<unsigned, 4> Regs;
   const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo();
 
+  // No work to do for memory operations.
+  if (OpInfo.ConstraintType == TargetLowering::C_Memory)
+    return;
+
   // If this is a constraint for a single physreg, or a constraint for a
   // register class, find it.
   unsigned AssignedReg;