move magic for PIC constantpool references from asmprinter to isel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74313 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
index 6d277102365da972285c4986471a1242512ef912..67f0bb4e8faf0778be3d103cb24af5de15a1501b 100644 (file)
--- a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
@@ -486,14 +486,27 @@ void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
     O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
       << MO.getIndex();
 
-    if (TM.getRelocationModel() == Reloc::PIC_) {
-      if (Subtarget->isPICStyleStub()) {
-        O << '-';
-        PrintPICBaseSymbol();
-      } else if (Subtarget->isPICStyleGOT())
-        O << "@GOTOFF";
+    switch (MO.getTargetFlags()) {
+      default:
+      assert(0 && "Unknown target flag on constant pool operand");
+    case X86II::MO_NO_FLAG:
+      // FIXME: REMOVE EVENTUALLY.
+      if (TM.getRelocationModel() == Reloc::PIC_) {
+        assert(!Subtarget->isPICStyleStub() &&
+               !Subtarget->isPICStyleGOT() &&
+               "Should have operand flag!");
+      }
+      
+      break;
+    case X86II::MO_PIC_BASE_OFFSET:
+      O << '-';
+      PrintPICBaseSymbol();
+      break;
+    case X86II::MO_GOTOFF:
+      O << "@GOTOFF";
+      break;
     }
-
+    
     printOffset(MO.getOffset());
 
     if (isMemOp && Subtarget->isPICStyleRIPRel() && !NotRIPRel)

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 8d070664b1cabe6ced55fddd5606e8a7413eff8c..1c3dc156df136961b04f0b5a198637810434566c 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -4311,18 +4311,27 @@ X86TargetLowering::LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG) {
 SDValue
 X86TargetLowering::LowerConstantPool(SDValue Op, SelectionDAG &DAG) {
   ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(Op);
-  // FIXME there isn't really any debug info here, should come from the parent
-  DebugLoc dl = CP->getDebugLoc();
+  
+  // In PIC mode (unless we're in RIPRel PIC mode) we add an offset to the
+  // global base reg.
+  unsigned char OpFlag = 0;
+  if (getTargetMachine().getRelocationModel() == Reloc::PIC_) {
+    if (Subtarget->isPICStyleStub())
+      OpFlag = X86II::MO_PIC_BASE_OFFSET;
+    else if (Subtarget->isPICStyleGOT())
+      OpFlag = X86II::MO_GOTOFF;
+  }
+  
   SDValue Result = DAG.getTargetConstantPool(CP->getConstVal(), getPointerTy(),
-                                             CP->getAlignment());
-  Result = DAG.getNode(X86ISD::Wrapper, dl, getPointerTy(), Result);
+                                             CP->getAlignment(),
+                                             CP->getOffset(), OpFlag);
+  DebugLoc DL = CP->getDebugLoc();
+  Result = DAG.getNode(X86ISD::Wrapper, DL, getPointerTy(), Result);
   // With PIC, the address is actually $g + Offset.
-  if (getTargetMachine().getRelocationModel() == Reloc::PIC_ &&
-      !Subtarget->isPICStyleRIPRel()) {
-    Result = DAG.getNode(ISD::ADD, dl, getPointerTy(),
+  if (OpFlag) {
+    Result = DAG.getNode(ISD::ADD, DL, getPointerTy(),
                          DAG.getNode(X86ISD::GlobalBaseReg,
-                                     DebugLoc::getUnknownLoc(),
-                                     getPointerTy()),
+                                     DebugLoc::getUnknownLoc(), getPointerTy()),
                          Result);
   }
 
@@ -4510,25 +4519,24 @@ SDValue X86TargetLowering::LowerJumpTable(SDValue Op, SelectionDAG &DAG) {
 
   // In PIC mode (unless we're in RIPRel PIC mode) we add an offset to the
   // global base reg.
-  unsigned char JTFlag = 0;
+  unsigned char OpFlag = 0;
   if (getTargetMachine().getRelocationModel() == Reloc::PIC_) {
     if (Subtarget->isPICStyleStub())
-      JTFlag = X86II::MO_PIC_BASE_OFFSET;
+      OpFlag = X86II::MO_PIC_BASE_OFFSET;
     else if (Subtarget->isPICStyleGOT())
-      JTFlag = X86II::MO_GOTOFF;
+      OpFlag = X86II::MO_GOTOFF;
   }
   
   SDValue Result = DAG.getTargetJumpTable(JT->getIndex(), getPointerTy(),
-                                          JTFlag);
+                                          OpFlag);
   DebugLoc DL = JT->getDebugLoc();
   Result = DAG.getNode(X86ISD::Wrapper, DL, getPointerTy(), Result);
 
   // With PIC, the address is actually $g + Offset.
-  if (JTFlag) {
+  if (OpFlag) {
     Result = DAG.getNode(ISD::ADD, DL, getPointerTy(),
                          DAG.getNode(X86ISD::GlobalBaseReg,
-                                     DebugLoc::getUnknownLoc(),
-                                     getPointerTy()),
+                                     DebugLoc::getUnknownLoc(), getPointerTy()),
                          Result);
   }