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Bjorn Pettersson 839775a277 [Debug info] Handle endianness when moving debug info for split integer values 
Summary:
Take the target's endianness into account when splitting the
debug information in DAGTypeLegalizer::SetExpandedInteger.

This patch fixes so that, for big-endian targets, the fragment
expression corresponding to the high part of a split integer
value is placed at offset 0, in order to correctly represent
the memory address order.

I have attached a PPC32 reproducer where the resulting DWARF
pieces for a 64-bit integer were incorrectly reversed.

Patch by: dstenb

Reviewers: JDevlieghere, aprantl, dblaikie

Reviewed By: JDevlieghere, aprantl, dblaikie

Subscribers: nemanjai

Differential Revision: https://reviews.llvm.org/D38172

llvm-svn: 314666
 		2017-10-02 12:46:32 +00:00
..
Analysis Revert r314435: "[JumpThreading] Preserve DT and LVI across the pass" 2017-09-30 11:57:19 +00:00
Assembler
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Bindings
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Bitcode [AMDGPU] calling conventions for AMDPAL OS type 2017-09-29 09:51:22 +00:00
BugPoint
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CodeGen [Debug info] Handle endianness when moving debug info for split integer values 2017-10-02 12:46:32 +00:00
DebugInfo [DebugInfo] Do not extend range for physreg in LiveDebugVariables 2017-09-28 13:10:06 +00:00
DllTool
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Examples
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ExecutionEngine Revert "Revert "ExecutionEngine: add R_AARCH64_ABS{16,32}"" 2017-09-20 21:32:44 +00:00
Feature
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FileCheck
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Instrumentation [MSan] Disable sanitization for __sanitizer_dtor_callback. 2017-09-20 22:53:08 +00:00
Integer
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JitListener
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LTO Reland r313157, "ThinLTO: Correctly follow aliasee references when dead stripping." which was reverted in r313222. 2017-09-14 05:02:59 +00:00
LibDriver
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Linker llvm-dwarfdump: Make -brief the default and add a -verbose option instead. 2017-09-11 23:05:20 +00:00
MC [X86] Change register&memory TEST instructions from MRMSrcMem to MRMDstMem 2017-10-01 23:53:53 +00:00
Object llvm-ar: align the first archive member consistently. 2017-09-22 18:36:00 +00:00
ObjectYAML [WebAssembly] Allow each data segment to specify its own alignment 2017-09-29 16:50:08 +00:00
Other [PM/CGSCC] Teach the CGSCC pass manager components to gracefully handle 2017-09-14 08:33:57 +00:00
SafepointIRVerifier
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SymbolRewriter
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TableGen TableGen support for parameterized register class information 2017-09-14 16:56:21 +00:00
ThinLTO/X86 ModuleSummaryAnalysis: Correctly handle all function operand references. 2017-09-07 05:35:35 +00:00
Transforms [X86][LLVM]Expanding Supports lowerInterleaved{store|load}() in X86InterleavedAccess (VF64 stride 3-4) 2017-10-02 07:35:25 +00:00
Unit [lit] Make lit support config files with .py extension. 2017-09-21 00:24:52 +00:00
Verifier Revert "Revert r312139 "Verifier: Verify the correctness of fragment expressions attached to globals."" 2017-08-31 00:07:33 +00:00
YAMLParser
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tools [llvm-rc] Serialize DIALOG(EX) to .res files (serialization, pt 4). 2017-09-30 00:38:52 +00:00
.clang-format
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CMakeLists.txt [lit] Make lit support config files with .py extension. 2017-09-21 00:24:52 +00:00
TestRunner.sh
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lit.cfg.py Resubmit "[lit] Refactor out some more common lit configuration code." 2017-09-21 22:16:40 +00:00
lit.site.cfg.py.in [lit] Make lit support config files with .py extension. 2017-09-21 00:24:52 +00:00