This patch fixes a bug in floating point operands parsing, when instruction alias...

[oota-llvm.git] / lib / Target / SystemZ / SystemZISelLowering.h

diff --git a/lib/Target/SystemZ/SystemZISelLowering.h b/lib/Target/SystemZ/SystemZISelLowering.h
index 98224638d11ac77a2e691c0a8b96bd1d0e43b057..c6dcca6982a6892871b2b154861e925c12f8ac23 100644 (file)
--- a/lib/Target/SystemZ/SystemZISelLowering.h
+++ b/lib/Target/SystemZ/SystemZISelLowering.h
@@ -38,6 +38,13 @@ namespace SystemZISD {
     // accesses (LARL).  Operand 0 is the address.
     PCREL_WRAPPER,
 
+    // Used in cases where an offset is applied to a TargetGlobalAddress.
+    // Operand 0 is the full TargetGlobalAddress and operand 1 is a
+    // PCREL_WRAPPER for an anchor point.  This is used so that we can
+    // cheaply refer to either the full address or the anchor point
+    // as a register base.
+    PCREL_OFFSET,
+
     // Integer comparisons.  There are three operands: the two values
     // to compare, and an integer of type SystemZICMP.
     ICMP,
@@ -163,6 +170,11 @@ namespace SystemZISD {
     // a store prefetch.
     PREFETCH
   };
+
+  // Return true if OPCODE is some kind of PC-relative address.
+  inline bool isPCREL(unsigned Opcode) {
+    return Opcode == PCREL_WRAPPER || Opcode == PCREL_OFFSET;
+  }
 }
 
 namespace SystemZICMP {
@@ -186,9 +198,7 @@ public:
   virtual MVT getScalarShiftAmountTy(EVT LHSTy) const LLVM_OVERRIDE {
     return MVT::i32;
   }
-  virtual EVT getSetCCResultType(LLVMContext &, EVT) const LLVM_OVERRIDE {
-    return MVT::i32;
-  }
+  virtual EVT getSetCCResultType(LLVMContext &, EVT) const LLVM_OVERRIDE;
   virtual bool isFMAFasterThanFMulAndFAdd(EVT VT) const LLVM_OVERRIDE;
   virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const LLVM_OVERRIDE;
   virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty) const
@@ -240,6 +250,7 @@ private:
   const SystemZTargetMachine &TM;
 
   // Implement LowerOperation for individual opcodes.
+  SDValue lowerSETCC(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerBR_CC(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerGlobalAddress(GlobalAddressSDNode *Node,