aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/llvm14/include/llvm/Transforms/Utils/IntegerDivision.h
diff options
context:
space:
mode:
authorvitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
committervitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/llvm14/include/llvm/Transforms/Utils/IntegerDivision.h
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
downloadydb-6ffe9e53658409f212834330e13564e4952558f6.tar.gz
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/Transforms/Utils/IntegerDivision.h')
-rw-r--r--contrib/libs/llvm14/include/llvm/Transforms/Utils/IntegerDivision.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/contrib/libs/llvm14/include/llvm/Transforms/Utils/IntegerDivision.h b/contrib/libs/llvm14/include/llvm/Transforms/Utils/IntegerDivision.h
new file mode 100644
index 0000000000..565286ecc9
--- /dev/null
+++ b/contrib/libs/llvm14/include/llvm/Transforms/Utils/IntegerDivision.h
@@ -0,0 +1,83 @@
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===- llvm/Transforms/Utils/IntegerDivision.h ------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains an implementation of 32bit and 64bit scalar integer
+// division for targets that don't have native support. It's largely derived
+// from compiler-rt's implementations of __udivsi3 and __udivmoddi4,
+// but hand-tuned for targets that prefer less control flow.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_UTILS_INTEGERDIVISION_H
+#define LLVM_TRANSFORMS_UTILS_INTEGERDIVISION_H
+
+namespace llvm {
+ class BinaryOperator;
+}
+
+namespace llvm {
+
+ /// Generate code to calculate the remainder of two integers, replacing Rem
+ /// with the generated code. This currently generates code using the udiv
+ /// expansion, but future work includes generating more specialized code,
+ /// e.g. when more information about the operands are known. Implements both
+ /// 32bit and 64bit scalar division.
+ ///
+ /// Replace Rem with generated code.
+ bool expandRemainder(BinaryOperator *Rem);
+
+ /// Generate code to divide two integers, replacing Div with the generated
+ /// code. This currently generates code similarly to compiler-rt's
+ /// implementations, but future work includes generating more specialized code
+ /// when more information about the operands are known. Implements both
+ /// 32bit and 64bit scalar division.
+ ///
+ /// Replace Div with generated code.
+ bool expandDivision(BinaryOperator* Div);
+
+ /// Generate code to calculate the remainder of two integers, replacing Rem
+ /// with the generated code. Uses ExpandReminder with a 32bit Rem which
+ /// makes it useful for targets with little or no support for less than
+ /// 32 bit arithmetic.
+ ///
+ /// Replace Rem with generated code.
+ bool expandRemainderUpTo32Bits(BinaryOperator *Rem);
+
+ /// Generate code to calculate the remainder of two integers, replacing Rem
+ /// with the generated code. Uses ExpandReminder with a 64bit Rem.
+ ///
+ /// Replace Rem with generated code.
+ bool expandRemainderUpTo64Bits(BinaryOperator *Rem);
+
+ /// Generate code to divide two integers, replacing Div with the generated
+ /// code. Uses ExpandDivision with a 32bit Div which makes it useful for
+ /// targets with little or no support for less than 32 bit arithmetic.
+ ///
+ /// Replace Rem with generated code.
+ bool expandDivisionUpTo32Bits(BinaryOperator *Div);
+
+ /// Generate code to divide two integers, replacing Div with the generated
+ /// code. Uses ExpandDivision with a 64bit Div.
+ ///
+ /// Replace Rem with generated code.
+ bool expandDivisionUpTo64Bits(BinaryOperator *Div);
+
+} // End llvm namespace
+
+#endif
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif