vendor/llvm/llvm-trunk-r375505vendor/llvm

1 files changed, 33 insertions, 1 deletions

diff --git a/include/llvm/CodeGen/GlobalISel/InstructionSelector.h b/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
index e9b93be76754f..fd3dc743000bb 100644
--- a/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
+++ b/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
@@ -31,6 +31,7 @@ namespace llvm {
 
 class APInt;
 class APFloat;
+class GISelKnownBits;
 class MachineInstr;
 class MachineInstrBuilder;
 class MachineFunction;
@@ -148,6 +149,13 @@ enum {
   /// - AddrSpaceN+1 ...
   GIM_CheckMemoryAddressSpace,
 
+  /// Check the minimum alignment of the memory access for the given machine
+  /// memory operand.
+  /// - InsnID - Instruction ID
+  /// - MMOIdx - MMO index
+  /// - MinAlign - Minimum acceptable alignment
+  GIM_CheckMemoryAlignment,
+
   /// Check the size of the memory access for the given machine memory operand
   /// against the size of an operand.
   /// - InsnID - Instruction ID
@@ -201,11 +209,22 @@ enum {
   /// - Expected Intrinsic ID
   GIM_CheckIntrinsicID,
 
+  /// Check the operand is a specific predicate
+  /// - InsnID - Instruction ID
+  /// - OpIdx - Operand index
+  /// - Expected predicate
+  GIM_CheckCmpPredicate,
+
   /// Check the specified operand is an MBB
   /// - InsnID - Instruction ID
   /// - OpIdx - Operand index
   GIM_CheckIsMBB,
 
+  /// Check the specified operand is an Imm
+  /// - InsnID - Instruction ID
+  /// - OpIdx - Operand index
+  GIM_CheckIsImm,
+
   /// Check if the specified operand is safe to fold into the current
   /// instruction.
   /// - InsnID - Instruction ID
@@ -365,7 +384,20 @@ public:
   ///   if returns true:
   ///     for I in all mutated/inserted instructions:
   ///       !isPreISelGenericOpcode(I.getOpcode())
-  virtual bool select(MachineInstr &I, CodeGenCoverage &CoverageInfo) const = 0;
+  virtual bool select(MachineInstr &I) = 0;
+
+  CodeGenCoverage *CoverageInfo = nullptr;
+  GISelKnownBits *KnownBits = nullptr;
+  MachineFunction *MF = nullptr;
+
+  /// Setup per-MF selector state.
+  virtual void setupMF(MachineFunction &mf,
+                       GISelKnownBits &KB,
+                       CodeGenCoverage &covinfo) {
+    CoverageInfo = &covinfo;
+    KnownBits = &KB;
+    MF = &mf;
+  }
 
 protected:
   using ComplexRendererFns =