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Revision tags: llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6 |
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d53425e2 |
| 03-May-2024 |
Fangrui Song <i@maskray.me> |
[DebugInfo,test] Convert text files from CRLF to LF
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Revision tags: llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2, llvmorg-18.1.1, llvmorg-18.1.0, llvmorg-18.1.0-rc4, llvmorg-18.1.0-rc3, llvmorg-18.1.0-rc2, llvmorg-18.1.0-rc1, llvmorg-19-init, llvmorg-17.0.6, llvmorg-17.0.5, llvmorg-17.0.4, llvmorg-17.0.3, llvmorg-17.0.2, llvmorg-17.0.1, llvmorg-17.0.0, llvmorg-17.0.0-rc4, llvmorg-17.0.0-rc3, llvmorg-17.0.0-rc2, llvmorg-17.0.0-rc1, llvmorg-18-init, llvmorg-16.0.6, llvmorg-16.0.5, llvmorg-16.0.4, llvmorg-16.0.3, llvmorg-16.0.2, llvmorg-16.0.1, llvmorg-16.0.0, llvmorg-16.0.0-rc4, llvmorg-16.0.0-rc3, llvmorg-16.0.0-rc2, llvmorg-16.0.0-rc1, llvmorg-17-init, llvmorg-15.0.7 |
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c383f4d6 |
| 03-Jan-2023 |
Stephen Tozer <Stephen.Tozer@Sony.com> |
[DebugInfo] Allow non-stack_value variadic expressions and use in DBG_INSTR_REF
Prior to this patch, variadic DIExpressions (i.e. ones that contain
DW_OP_LLVM_arg) could only be created by salvaging
[DebugInfo] Allow non-stack_value variadic expressions and use in DBG_INSTR_REF
Prior to this patch, variadic DIExpressions (i.e. ones that contain
DW_OP_LLVM_arg) could only be created by salvaging debug values to create
stack value expressions, resulting in a DBG_VALUE_LIST being created. As of
the previous patch in this patch stack, DBG_INSTR_REF's syntax has been
changed to match DBG_VALUE_LIST in preparation for supporting variadic
expressions. This patch adds some minor changes needed to allow variadic
expressions that aren't stack values to exist, and allows variadic expressions
that are trivially reduceable to non-variadic expressions to be handled
similarly to non-variadic expressions.
Reviewed by: jmorse
Differential Revision: https://reviews.llvm.org/D133926
show more ...
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Revision tags: llvmorg-15.0.6, llvmorg-15.0.5, llvmorg-15.0.4, llvmorg-15.0.3, working, llvmorg-15.0.2, llvmorg-15.0.1 |
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e10e9363 |
| 15-Sep-2022 |
Stephen Tozer <Stephen.Tozer@Sony.com> |
[DebugInfo][NFC] Add new MachineOperand type and change DBG_INSTR_REF syntax
This patch makes two notable changes to the MIR debug info representation,
which result in different MIR output but ident
[DebugInfo][NFC] Add new MachineOperand type and change DBG_INSTR_REF syntax
This patch makes two notable changes to the MIR debug info representation,
which result in different MIR output but identical final DWARF output (NFC
w.r.t. the full compilation). The two changes are:
* The introduction of a new MachineOperand type, MO_DbgInstrRef, which
consists of two unsigned numbers that are used to index an instruction
and an output operand within that instruction, having a meaning
identical to first two operands of the current DBG_INSTR_REF
instruction. This operand is only used in DBG_INSTR_REF (see below).
* A change in syntax for the DBG_INSTR_REF instruction, shuffling the
operands to make it resemble DBG_VALUE_LIST instead of DBG_VALUE,
and replacing the first two operands with a single MO_DbgInstrRef-type
operand.
This patch is the first of a set that will allow DBG_INSTR_REF
instructions to refer to multiple machine locations in the same manner
as DBG_VALUE_LIST.
Reviewed By: jmorse
Differential Revision: https://reviews.llvm.org/D129372
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Revision tags: llvmorg-15.0.0, llvmorg-15.0.0-rc3, llvmorg-15.0.0-rc2, llvmorg-15.0.0-rc1, llvmorg-16-init, llvmorg-14.0.6, llvmorg-14.0.5, llvmorg-14.0.4 |
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1d712c38 |
| 03-May-2022 |
Jeremy Morse <jeremy.morse@sony.com> |
[DebugInfo][InstrRef] Don't generate redundant DBG_PHIs
In SelectionDAG, DBG_PHI instructions are created to "read" physreg values
and give them an instruction number, when they can't be traced back
[DebugInfo][InstrRef] Don't generate redundant DBG_PHIs
In SelectionDAG, DBG_PHI instructions are created to "read" physreg values
and give them an instruction number, when they can't be traced back to a
defining instruction. The most common scenario if arguments to a function.
Unfortunately, if you have 100 inlined methods, each of which has the same
"this" pointer, then the 100 dbg.value instructions become 100
DBG_INSTR_REFs plus 100 DBG_PHIs, where only one DBG_PHI would suffice.
This patch adds a vreg cache for MachienFunction::salvageCopySSA, if we've
already traced a value back to the start of a block and created a DBG_PHI
then it allows us to re-use the DBG_PHI, as well as reducing work.
Differential Revision: https://reviews.llvm.org/D124517
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