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Markus Lavin a475da36eb [DebugInfo] DW_OP_deref_size in PrologEpilogInserter. 
The PrologEpilogInserter need to insert a DW_OP_deref_size before
prepending a memory location expression to an already implicit
expression to avoid having the existing expression act on the memory
address instead of the value behind it.

The reason for using DW_OP_deref_size and not plain DW_OP_deref is that
big-endian targets need to read the right size as simply truncating a
larger read would yield the wrong result (LSB bytes are not at the lower
address).

This re-commit fixes issues reported in the first one. Namely deref was
inserted under wrong conditions and additionally the deref_size argument
was incorrectly encoded.

Differential Revision: https://reviews.llvm.org/D59687

llvm-svn: 359535
 		2019-04-30 07:58:57 +00:00
..
Analysis [MemorySSA] Invalidate MemorySSA if AA or DT are invalidated. 2019-04-29 23:53:04 +00:00
AsmParser Add LLVM IR debug info support for Fortran COMMON blocks 2019-04-08 19:13:55 +00:00
BinaryFormat [XCOFF] Add functionality for parsing AIX XCOFF object file headers 2019-04-04 00:53:21 +00:00
Bitcode Use llvm::lower_bound. NFC 2019-04-12 02:02:06 +00:00
CodeGen [DebugInfo] DW_OP_deref_size in PrologEpilogInserter. 2019-04-30 07:58:57 +00:00
DebugInfo [PDB] Fix hash function used to write /src/headerblock 2019-04-29 23:09:35 +00:00
Demangle llvm-undname: Fix assert-on->4GiB-string-literal, found by oss-fuzz 2019-04-24 16:09:38 +00:00
ExecutionEngine [ORC] Allow JITDylib definition generators to return Errors. 2019-04-30 00:03:26 +00:00
FuzzMutate [opaque pointer types] Pass value type to LoadInst creation. 2019-02-01 20:44:24 +00:00
Fuzzer
…
IR [DebugInfo] DW_OP_deref_size in PrologEpilogInserter. 2019-04-30 07:58:57 +00:00
IRReader [IRReader] Expose getLazyIRModule 2019-02-11 22:01:13 +00:00
LTO [ThinLTO] Adding architecture name into saved object filename 2019-04-29 21:39:54 +00:00
LineEditor Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Linker [Linker] Fix crash handling appending linkage 2019-03-20 19:20:07 +00:00
MC Use llvm::stable_sort 2019-04-23 14:51:27 +00:00
MCA [MCA] Add field `IsEliminated` to class Instruction. NFCI 2019-04-27 11:59:11 +00:00
Object Remove duplicate line. NFCI. 2019-04-29 18:58:32 +00:00
ObjectYAML [yaml2obj] - Don't crash on invalid inputs. 2019-04-25 09:59:55 +00:00
Option Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Passes [ThinLTO] Pass down opt level to LTO backend and handle -O0 LTO in new PM 2019-04-23 18:56:19 +00:00
ProfileData The error message for mismatched value sites is very cryptic. 2019-04-23 22:26:55 +00:00
Remarks [Remarks] Add string deduplication using a string table 2019-04-24 00:06:24 +00:00
Support [CommandLine] Don't allow unlimitted dashes for options. Part 1 or 5 2019-04-29 18:34:18 +00:00
TableGen [TableGen] Introduce !listsplat 'binary' operator 2019-04-10 18:26:36 +00:00
Target [WebAssembly] Make an assertion message prettier. NFC. 2019-04-29 22:37:08 +00:00
Testing [Testing] Move clangd::Annotations to llvm testing support 2019-04-25 10:08:31 +00:00
TextAPI [TextAPI] Fix Symbol::dump which was failing to append the SymbolKind string. 2019-04-29 18:25:04 +00:00
ToolDrivers [llvm-ar][libObject] Fix relative paths when nesting thin archives. 2019-02-13 23:39:41 +00:00
Transforms [InstCombine] reduce code duplication; NFC 2019-04-29 19:23:44 +00:00
WindowsManifest Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
XRay Use llvm::stable_sort 2019-04-23 14:51:27 +00:00
CMakeLists.txt [OptRemarks] Make OptRemarks more generic: rename OptRemarks to Remarks 2019-03-05 20:45:17 +00:00
LLVMBuild.txt [OptRemarks] Make OptRemarks more generic: rename OptRemarks to Remarks 2019-03-05 20:45:17 +00:00