diff --git a/llvm/lib/Target/X86/X86ISelPattern.cpp b/llvm/lib/Target/X86/X86ISelPattern.cpp index 949cda96882b..262e0281285f 100644 --- a/llvm/lib/Target/X86/X86ISelPattern.cpp +++ b/llvm/lib/Target/X86/X86ISelPattern.cpp @@ -3120,6 +3120,20 @@ void ISel::Select(SDOperand N) { addFullAddress(BuildMI(BB, Opc, 4+1), AM).addImm(CN->getValue()); return; } + } else if (GlobalAddressSDNode *GA = + dyn_cast(N.getOperand(1))) { + assert(GA->getValueType(0) == MVT::i32 && "Bad pointer operand"); + + if (getRegPressure(N.getOperand(0)) > getRegPressure(N.getOperand(2))) { + Select(N.getOperand(0)); + SelectAddress(N.getOperand(2), AM); + } else { + SelectAddress(N.getOperand(2), AM); + Select(N.getOperand(0)); + } + addFullAddress(BuildMI(BB, X86::MOV32mi, 4+1), + AM).addGlobalAddress(GA->getGlobal()); + return; } // Check to see if this is a load/op/store combination.