b86ce219f4
Introduce a DW_OP_LLVM_convert Dwarf expression pseudo op that allows for a convenient way to perform type conversions on the Dwarf expression stack. As an additional bonus it paves the way for using other Dwarf v5 ops that need to reference a base_type. The new DW_OP_LLVM_convert is used from lib/Transforms/Utils/Local.cpp to perform sext/zext on debug values but mainly the patch is about preparing terrain for adding other Dwarf v5 ops that need to reference a base_type. For Dwarf v5 the op maps to DW_OP_convert and for earlier versions a complex shift & mask pattern is generated to emulate sext/zext. This is a recommit of r356442 with trivial fixes for the failing tests. Differential Revision: https://reviews.llvm.org/D56587 llvm-svn: 356451
22 lines
830 B
Plaintext
22 lines
830 B
Plaintext
;===- ./lib/CodeGen/AsmPrinter/LLVMBuild.txt -------------------*- Conf -*--===;
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;
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; Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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; See https://llvm.org/LICENSE.txt for license information.
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; SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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;
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;===------------------------------------------------------------------------===;
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;
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; This is an LLVMBuild description file for the components in this subdirectory.
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;
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; For more information on the LLVMBuild system, please see:
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;
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; http://llvm.org/docs/LLVMBuild.html
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;
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;===------------------------------------------------------------------------===;
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[component_0]
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type = Library
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name = AsmPrinter
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parent = Libraries
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required_libraries = Analysis BinaryFormat CodeGen Core DebugInfoCodeView DebugInfoDWARF DebugInfoMSF MC MCParser Support Target
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