Divergence analysis for GPU programs

[oota-llvm.git] / include / llvm / CodeGen / IntrinsicLowering.h

diff --git a/include/llvm/CodeGen/IntrinsicLowering.h b/include/llvm/CodeGen/IntrinsicLowering.h
index 098d59c1c1df40a3eab791bc7c9f4493d53233b1..9e6ab7d45977e960b4dae4231106e92e32a93d33 100644 (file)
--- a/include/llvm/CodeGen/IntrinsicLowering.h
+++ b/include/llvm/CodeGen/IntrinsicLowering.h
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -16,17 +16,21 @@
 #ifndef LLVM_CODEGEN_INTRINSICLOWERING_H
 #define LLVM_CODEGEN_INTRINSICLOWERING_H
 
-#include "llvm/Intrinsics.h"
+#include "llvm/IR/Intrinsics.h"
 
 namespace llvm {
   class CallInst;
   class Module;
-  class TargetData;
+  class DataLayout;
 
   class IntrinsicLowering {
-    const TargetData& TD;
+    const DataLayout& DL;
+
+    
+    bool Warned;
   public:
-    IntrinsicLowering(const TargetData &td) : TD(td) {}
+    explicit IntrinsicLowering(const DataLayout &DL) :
+      DL(DL), Warned(false) {}
 
     /// AddPrototypes - This method, if called, causes all of the prototypes
     /// that might be needed by an intrinsic lowering implementation to be
@@ -44,6 +48,11 @@ namespace llvm {
     /// be capable of handling this kind of change.
     ///
     void LowerIntrinsicCall(CallInst *CI);
+
+    /// LowerToByteSwap - Replace a call instruction into a call to bswap
+    /// intrinsic. Return false if it has determined the call is not a
+    /// simple integer bswap.
+    static bool LowerToByteSwap(CallInst *CI);
   };
 }