Update the branch weight metadata in JumpThreading pass.

[oota-llvm.git] / include / llvm / Analysis / ConstantFolding.h

diff --git a/include/llvm/Analysis/ConstantFolding.h b/include/llvm/Analysis/ConstantFolding.h
index a0d5eaba9c7bde3ae8a97dd41b51e8fd95fb6f02..e8185b3b6307f2005f4938ccae8984dec97a1bab 100644 (file)
--- a/include/llvm/Analysis/ConstantFolding.h
+++ b/include/llvm/Analysis/ConstantFolding.h
@@ -72,6 +72,17 @@ namespace llvm {
 Constant *ConstantFoldInsertValueInstruction(Constant *Agg, Constant *Val,
                                              ArrayRef<unsigned> Idxs);
 
+/// \brief Attempt to constant fold an extractvalue instruction with the
+/// specified operands and indices.  The constant result is returned if
+/// successful; if not, null is returned.
+Constant *ConstantFoldExtractValueInstruction(Constant *Agg,
+                                              ArrayRef<unsigned> Idxs);
+
+/// \brief Attempt to constant fold an extractelement instruction with the
+/// specified operands and indices.  The constant result is returned if
+/// successful; if not, null is returned.
+Constant *ConstantFoldExtractElementInstruction(Constant *Val, Constant *Idx);
+
 /// ConstantFoldLoadFromConstPtr - Return the value that a load from C would
 /// produce if it is constant and determinable.  If this is not determinable,
 /// return null.
@@ -97,6 +108,6 @@ bool canConstantFoldCallTo(const Function *F);
 /// with the specified arguments, returning null if unsuccessful.
 Constant *ConstantFoldCall(Function *F, ArrayRef<Constant *> Operands,
                            const TargetLibraryInfo *TLI = nullptr);
-} // namespace llvm
+}
 
 #endif