Teach disassembler to handle illegal immediates on (v)cmpps/pd/ss/sd instructions...

[oota-llvm.git] / lib / Target / X86 / X86ISelLowering.h

diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index cac29eeda32fb49d64cc430849514a2b3bdc3be0..c5e3e14c545c5a0089eaefdf75662a716da902a4 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -190,6 +190,11 @@ namespace llvm {
       /// BLENDI - Blend where the selector is an immediate.
       BLENDI,
 
+      /// SHRUNKBLEND - Blend where the condition has been shrunk.
+      /// This is used to emphasize that the condition mask is
+      /// no more valid for generic VSELECT optimizations.
+      SHRUNKBLEND,
+
       /// ADDSUB - Combined add and sub on an FP vector.
       ADDSUB,
 
@@ -301,6 +306,13 @@ namespace llvm {
 
       UMUL, // LOW, HI, FLAGS = umul LHS, RHS
 
+      // 8-bit SMUL/UMUL - AX, FLAGS = smul8/umul8 AL, RHS
+      SMUL8, UMUL8,
+
+      // 8-bit divrem that zero-extend the high result (AH).
+      UDIVREM8_ZEXT_HREG,
+      SDIVREM8_SEXT_HREG,
+
       // MUL_IMM - X86 specific multiply by immediate.
       MUL_IMM,
 
@@ -367,6 +379,10 @@ namespace llvm {
       FMADDSUB,
       FMSUBADD,
 
+      // Compress and expand
+      COMPRESS,
+      EXPAND,
+
       // Save xmm argument registers to the stack, according to %al. An operator
       // is needed so that this can be expanded with control flow.
       VASTART_SAVE_XMM_REGS,
@@ -407,6 +423,9 @@ namespace llvm {
       // Test if in transactional execution.
       XTEST,
 
+      // ERI instructions
+      RSQRT28, RCP28, EXP2,
+
       // Compare and swap.
       LCMPXCHG_DAG = ISD::FIRST_TARGET_MEMORY_OPCODE,
       LCMPXCHG8_DAG,
@@ -528,7 +547,7 @@ namespace llvm {
   //  X86 Implementation of the TargetLowering interface
   class X86TargetLowering final : public TargetLowering {
   public:
-    explicit X86TargetLowering(X86TargetMachine &TM);
+    explicit X86TargetLowering(const X86TargetMachine &TM);
 
     unsigned getJumpTableEncoding() const override;
 
@@ -772,6 +791,10 @@ namespace llvm {
     bool shouldConvertConstantLoadToIntImm(const APInt &Imm,
                                            Type *Ty) const override;
 
+    /// Return true if EXTRACT_SUBVECTOR is cheap for this result type
+    /// with this index.
+    bool isExtractSubvectorCheap(EVT ResVT, unsigned Index) const override;
+
     /// Intel processors have a unified instruction and data cache
     const char * getClearCacheBuiltinName() const override {
       return nullptr; // nothing to do, move along.
@@ -1014,6 +1037,15 @@ namespace llvm {
 
     /// Convert a comparison if required by the subtarget.
     SDValue ConvertCmpIfNecessary(SDValue Cmp, SelectionDAG &DAG) const;
+
+    /// Use rsqrt* to speed up sqrt calculations.
+    SDValue getRsqrtEstimate(SDValue Operand, DAGCombinerInfo &DCI,
+                             unsigned &RefinementSteps,
+                             bool &UseOneConstNR) const override;
+
+    /// Use rcp* to speed up fdiv calculations.
+    SDValue getRecipEstimate(SDValue Operand, DAGCombinerInfo &DCI,
+                             unsigned &RefinementSteps) const override;
   };
 
   namespace X86 {