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-rw-r--r--include/llvm/CodeGen/MachineBasicBlock.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 49daf5f..1906093 100644
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -16,6 +16,7 @@
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/ADT/GraphTraits.h"
+#include <functional>
namespace llvm {
@@ -224,6 +225,10 @@ public:
/// this basic block is entered via an exception handler.
void setIsLandingPad() { IsLandingPad = true; }
+ /// getLandingPadSuccessor - If this block has a successor that is a landing
+ /// pad, return it. Otherwise return NULL.
+ const MachineBasicBlock *getLandingPadSuccessor() const;
+
// Code Layout methods.
/// moveBefore/moveAfter - move 'this' block before or after the specified
@@ -300,6 +305,10 @@ public:
/// it returns end()
iterator getFirstTerminator();
+ /// getLastNonDebugInstr - returns an iterator to the last non-debug
+ /// instruction in the basic block, or end()
+ iterator getLastNonDebugInstr();
+
/// SplitCriticalEdge - Split the critical edge from this block to the
/// given successor block, and return the newly created block, or null
/// if splitting is not possible.
@@ -403,6 +412,14 @@ raw_ostream& operator<<(raw_ostream &OS, const MachineBasicBlock &MBB);
void WriteAsOperand(raw_ostream &, const MachineBasicBlock*, bool t);
+// This is useful when building IndexedMaps keyed on basic block pointers.
+struct MBB2NumberFunctor :
+ public std::unary_function<const MachineBasicBlock*, unsigned> {
+ unsigned operator()(const MachineBasicBlock *MBB) const {
+ return MBB->getNumber();
+ }
+};
+
//===--------------------------------------------------------------------===//
// GraphTraits specializations for machine basic block graphs (machine-CFGs)
//===--------------------------------------------------------------------===//