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authorvitalyisaev <[email protected]>2023-06-29 10:00:50 +0300
committervitalyisaev <[email protected]>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/llvm14/include/llvm/CodeGen/MachineLoopUtils.h
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
YQ Connector: support managed ClickHouse
Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
Diffstat (limited to 'contrib/libs/llvm14/include/llvm/CodeGen/MachineLoopUtils.h')
-rw-r--r--contrib/libs/llvm14/include/llvm/CodeGen/MachineLoopUtils.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/contrib/libs/llvm14/include/llvm/CodeGen/MachineLoopUtils.h b/contrib/libs/llvm14/include/llvm/CodeGen/MachineLoopUtils.h
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+++ b/contrib/libs/llvm14/include/llvm/CodeGen/MachineLoopUtils.h
@@ -0,0 +1,52 @@
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//=- MachineLoopUtils.h - Helper functions for manipulating loops -*- C++ -*-=//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_MACHINELOOPUTILS_H
+#define LLVM_CODEGEN_MACHINELOOPUTILS_H
+
+namespace llvm {
+class MachineBasicBlock;
+class MachineRegisterInfo;
+class TargetInstrInfo;
+
+enum LoopPeelDirection {
+ LPD_Front, ///< Peel the first iteration of the loop.
+ LPD_Back ///< Peel the last iteration of the loop.
+};
+
+/// Peels a single block loop. Loop must have two successors, one of which
+/// must be itself. Similarly it must have two predecessors, one of which must
+/// be itself.
+///
+/// The loop block is copied and inserted into the CFG such that two copies of
+/// the loop follow on from each other. The copy is inserted either before or
+/// after the loop based on Direction.
+///
+/// Phis are updated and an unconditional branch inserted at the end of the
+/// clone so as to execute a single iteration.
+///
+/// The trip count of Loop is not updated.
+MachineBasicBlock *PeelSingleBlockLoop(LoopPeelDirection Direction,
+ MachineBasicBlock *Loop,
+ MachineRegisterInfo &MRI,
+ const TargetInstrInfo *TII);
+
+} // namespace llvm
+
+#endif // LLVM_CODEGEN_MACHINELOOPUTILS_H
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif