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author | Alkis Evlogimenos <alkis@evlogimenos.com> | 2004-08-27 04:00:26 +0000 |
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committer | Alkis Evlogimenos <alkis@evlogimenos.com> | 2004-08-27 04:00:26 +0000 |
commit | 6177d3f4481ef622ce8cc19bbde8709214881aec (patch) | |
tree | 8c2a81322a6c9f846516772f91ea50b5c773b588 | |
parent | fc093bd0810b6e726c02c2430f77618fd7255541 (diff) | |
download | external_llvm-6177d3f4481ef622ce8cc19bbde8709214881aec.zip external_llvm-6177d3f4481ef622ce8cc19bbde8709214881aec.tar.gz external_llvm-6177d3f4481ef622ce8cc19bbde8709214881aec.tar.bz2 |
Add MachineBasicBlock2IndexFunctor. This is useful for densemaps from
MachineBasicBlocks to an arbitrary type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16068 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | include/llvm/CodeGen/MachineBasicBlock.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h index 9d4ede6..fb03740 100644 --- a/include/llvm/CodeGen/MachineBasicBlock.h +++ b/include/llvm/CodeGen/MachineBasicBlock.h @@ -220,6 +220,16 @@ private: // Methods used to maintain doubly linked list of blocks... } }; +// This is useful when building DenseMaps keyed on MachineBasicBlocks +struct MachineBasicBlock2IndexFunctor + : std::unary_function<const MachineBasicBlock*, unsigned> { + unsigned operator()(const MachineBasicBlock* MBB) const { + assert(MBB->getNumber() != -1 && + "MachineBasicBlock does not belong to a MachineFunction"); + return MBB->getNumber(); + } +}; + //===--------------------------------------------------------------------===// // GraphTraits specializations for machine basic block graphs (machine-CFGs) |