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409363cd51
llvm-mirror/test/DebugInfo
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Jeremy Morse 409363cd51 [DebugInfo][InstrRef][3/4] Produce DBG_INSTR_REFs for all variable locations 
This patch emits DBG_INSTR_REFs for two remaining flavours of variable
locations that weren't supported: copies, and inter-block VRegs. There are
still some locations that must be represented by DBG_VALUE such as
constants, but they're mostly independent of optimisations.

For variable locations that refer to values defined in different blocks,
vregs are allocated before isel begins, but the defining instruction
might not exist until late in isel. To get around this, emit
DBG_INSTR_REFs in a "half done" state, where the first operand refers to a
VReg. Then at the end of isel, patch these back up to refer to
instructions, using the finalizeDebugInstrRefs method.

Copies are something that I complained about the original RFC, and I
really don't want to have to put instruction numbers on copies. They don't
define a value: they move them. To address this isel, salvageCopySSA
interprets:
 * COPYs,
 * SUBREG_TO_REG,
 * Anything that isCopyInstr thinks is a copy.
And follows chains of copies back to the defining instruction that they
read from. This relies on any physical registers that COPYs read being
defined in the same block, or being entry-block arguments. For the former
we can put an instruction number on the defining instruction; for the
latter we can drop a DBG_PHI that reads the incoming value.

Differential Revision: https://reviews.llvm.org/D88896
2021-07-06 18:31:38 +01:00
..
AArch64 CodeGen: Print/parse LLTs in MachineMemOperands 2021-06-30 16:54:13 -04:00
AMDGPU [MCAsmInfo] Support UsesCFIForDebug for targets with no exception handling 2021-05-06 04:53:45 +05:30
ARM [LiveDebugValues][InstrRef][2/2] Emit entry value variable locations 2021-06-30 23:07:39 +01:00
BPF Revert "[NFC] remove explicit default value for strboolattr attribute in tests" 2021-05-24 19:43:40 +02:00
COFF Revert "[NFC] remove explicit default value for strboolattr attribute in tests" 2021-05-24 19:43:40 +02:00
Generic XFAIL a testcase on Hexagon (missing-abstract-variable.ll) 2021-06-18 13:15:19 -05:00
Inputs Move dwarfdump-invalid.test into the tools/llvm-dwarfdump directory. 2021-06-23 12:00:34 -07:00
Lanai
Mips [LiveDebugValues][InstrRef][2/2] Emit entry value variable locations 2021-06-30 23:07:39 +01:00
MIR [DebugInfo][InstrRef][2/4] Use subreg substitutions in LiveDebugValues 2021-07-01 13:07:16 +01:00
MSP430 Attempt to unbreak the test introduced in 359fae6eb094 on Windows 2020-06-22 14:41:55 +03:00
NVPTX Revert "[DebugInfo] Enable variadic debug value salvaging" 2021-06-28 11:25:09 -04:00
PDB [lld] Fixed CodeView GuidAdapter::format to handle GUID bytes in the right order. 2021-04-09 05:29:14 +04:00
PowerPC [Debug-Info] make DIE attributes generation under strict DWARF control 2021-05-13 20:34:07 -04:00
RISCV Revert "[NFC] remove explicit default value for strboolattr attribute in tests" 2021-05-24 19:43:40 +02:00
Sparc [LiveDebugValues][InstrRef][2/2] Emit entry value variable locations 2021-06-30 23:07:39 +01:00
Symbolize/ELF [llvm-symbolizer][llvm-nm] Fix AArch64 and ARM mapping symbols handling. 2021-03-23 14:17:12 +01:00
SystemZ
WebAssembly [WebAssembly] Add TargetInstrInfo::getCalleeOperand 2021-05-26 11:43:59 -07:00
X86 [DebugInfo][InstrRef][3/4] Produce DBG_INSTR_REFs for all variable locations 2021-07-06 18:31:38 +01:00
XCOFF [AIX][XCOFF] emit vector info of traceback table. 2021-06-14 11:15:22 -04:00
arange-overlap.test
arm-relocs.test
cDefaultLower.ll [DebugInfo] Upgrade DISubrange to support Fortran dynamic arrays 2020-05-28 13:46:41 +05:30
check-debugify-preserves-analyses.ll [FunctionAttrs] Rename functionattrs -> function-attrs 2020-07-28 09:09:13 -07:00
cross-cu-inlining.test
cross-cu-scope.ll Restore lit feature object-emission. Omit DebugInfo/Generic on XCore. 2021-04-16 13:02:14 +01:00
debug-frame-cie-pointer-reloc.test [DebugInfo] Read CIE pointer as a relocatable value. 2020-02-20 09:12:05 +07:00
debugify-bogus-dbg-value.ll
debugify-each.ll [Debugify] Skip debugifying on special/immutable passes 2020-11-16 20:39:46 -08:00
debugify-export.ll [Debugify] Skip debugifying on special/immutable passes 2020-11-16 20:39:46 -08:00
debugify-ignore-phi.ll [Transforms][Debugify] Fix "Missing line" false alarm on PHI nodes 2021-05-14 14:06:13 +02:00
debugify-original-no-dbg-info.ll Reland "[Debugify] Make the debugify aware of the original (-g) Debug Info" 2021-02-18 23:29:22 -08:00
debugify-report-missing-locs-only.ll [debugify] Demote an error about empty locations to a warning 2020-06-26 14:55:02 -07:00
debugify.ll Reland "[MachineDebugify] Insert synthetic DBG_VALUE instructions" 2020-12-14 22:34:23 -05:00
debuglineinfo-macho.test
debuglineinfo-path.ll Restore lit feature object-emission. Omit DebugInfo/Generic on XCore. 2021-04-16 13:02:14 +01:00
debuglineinfo.test
debugmacinfo-dwo.test [DebugInfo] Support for debug_macinfo.dwo section in llvm and llvm-dwarfdump. 2019-12-03 08:54:12 +05:30
debugmacinfo.test
duplicate_dbgvalue.ll [DebugInfo] Avoid generating duplicate llvm.dbg.value 2020-03-03 09:56:45 +05:30
dwarfdump-16bit-addr.test [DebugInfo] Explicitly permit addr_size = 0x02 when parsing DWARF data 2020-06-22 13:11:55 +03:00
dwarfdump-accel.test
dwarfdump-bad-lookup-address.test
dwarfdump-dataLocationExp.ll Fixed arm build bot failure after 4042ada1c1fe 2020-05-15 23:30:05 +05:30
dwarfdump-dataLocationVar.ll Fixed arm build bot failure after 4042ada1c1fe 2020-05-15 23:30:05 +05:30
dwarfdump-debug-frame-simple.test Add regular expressions to and DWARF Call Frame Information tests in case the architecture specific target is not compiled into LLVM. 2020-10-07 14:27:19 -07:00
dwarfdump-decompression-corrupt.test llvm-dwarfdump: Return non-zero on error 2020-04-09 20:53:58 -07:00
dwarfdump-decompression-error.test llvm-dwarfdump: Return non-zero on error 2020-04-09 20:53:58 -07:00
dwarfdump-dump-flags.test
dwarfdump-dump-gdbindex.test
dwarfdump-dwp.test llvm-dwarfdump: Include unit count in DWP index header dumping 2020-06-12 12:40:02 -07:00
dwarfdump-implicit-const.test
dwarfdump-macho-relocs.test
dwarfdump-macho-universal.test
dwarfdump-objc.test
dwarfdump-pubnames.test [DebugInfo] Report the format of tables in .debug_pub* sections [8/10] 2020-06-02 17:55:31 +07:00
dwarfdump-pushobjectaddress.ll Fixed arm build bot failure after ab699d78a26f 2020-05-15 23:14:56 +05:30
dwarfdump-ranges.test
dwarfdump-type-units.test [DebugInfo] Separate fields with commas in headers of type units (3/3). 2020-06-01 17:40:28 +07:00
dwarfdump-zlib.test [DebugInfo] Report the format of compilation units [3/10] 2020-06-02 17:55:30 +07:00
dwo.ll Restore lit feature object-emission. Omit DebugInfo/Generic on XCore. 2021-04-16 13:02:14 +01:00
fortran-string-type.ll [DebugInfo] Add handling of stringLengthExp operand of DIStringType. 2020-12-08 14:49:59 -05:00
fortranDefaultLower.ll [DebugInfo] Upgrade DISubrange to support Fortran dynamic arrays 2020-05-28 13:46:41 +05:30
fortranSubrangeCountExpr.ll [DebugInfo] Upgrade DISubragne::count to accept DIExpression also 2021-03-30 09:16:55 +05:30
fortranSubrangeExpr.ll [DebugInfo] Upgrade DISubrange to support Fortran dynamic arrays 2020-05-28 13:46:41 +05:30
fortranSubrangeInt.ll [DebugInfo] Upgrade DISubrange to support Fortran dynamic arrays 2020-05-28 13:46:41 +05:30
fortranSubrangeVar.ll Fixed bot failure after d20bf5a7258d4b6a7 2020-05-28 18:01:38 +05:30
gcc-local-mem-func.test
high-pc-constant.test
implicit-const-test2.s llvm-dwarfdump: Fix DWARF-5 DW_FORM_implicit_const (used by GCC) 2021-03-09 09:26:58 +01:00
invalid-inlined-subroutine.s Fix a crash in DWARFUnit::getInlinedChainForAddress in case of unexpected DWARF information. 2021-03-09 14:20:27 +04:00
invalid-relocations.test [test] Use yaml2obj -o %t instead of > %t 2020-01-21 17:20:18 -08:00
limit-arglist-size.ll Partial Reapply "[DebugInfo] Use variadic debug values to salvage BinOps and GEP instrs with non-const operands" 2021-06-24 09:46:38 +01:00
llvm-symbolizer-bbsections-test.s Recommit D91678 after fixing the test breakage. 2021-01-09 17:44:12 -08:00
macro_link.ll
member-pointers.o
missing-abstract-variable.o
omit-empty.ll Restore lit feature object-emission. Omit DebugInfo/Generic on XCore. 2021-04-16 13:02:14 +01:00
pr34186.ll
pr34672.ll
pr37964.ll [Debugify] Port -debugify-each to NewPM 2020-11-02 08:16:43 -08:00
precomp.test [test] Use yaml2obj -o %t instead of > %t 2020-01-21 17:20:18 -08:00
salvage-cast-debug-info.ll [EarlyCSE] Verify hash code in regression tests 2020-09-04 10:40:35 -04:00
salvage-gep.ll Revert "[DebugInfo] Enable variadic debug value salvaging" 2021-06-28 11:25:09 -04:00
salvage-nonconst-binop.ll Revert "[DebugInfo] Enable variadic debug value salvaging" 2021-06-28 11:25:09 -04:00
simplify-cfg-preserve-dbg-values.ll [SimplifyCFG] Remap rewritten debug intrinsic operands. 2020-05-08 11:10:25 -07:00
skeletoncu.ll Restore lit feature object-emission. Omit DebugInfo/Generic on XCore. 2021-04-16 13:02:14 +01:00
strip-DIGlobalVariable.ll
strip-loop-metadata.ll
strip-module-flags.ll
symbolize-64bit-address.test
symbolize-absolute-path-in-debug-line.s
symbolize-build-id-error.test [yaml2obj] - ProgramHeaders: introduce FirstSec/LastSec instead of Sections list. 2020-11-09 13:00:50 +03:00
symbolize-build-id.test [yaml2obj] - ProgramHeaders: introduce FirstSec/LastSec instead of Sections list. 2020-11-09 13:00:50 +03:00
symbolize-demangling.s
symbolize-directory.s
symbolize-gnu-debuglink-fallback.test
symbolize-gnu-debuglink-no-realpath.test
symbolize-gnu-debuglink.test
symbolize-inlined.test [test][tools] Add missing and improve testing 2019-12-09 12:24:23 +00:00
symbolize-macho-universal-unknown-arch.test Revert several changes related to llvm-symbolizer exiting non-zero on failure. 2020-10-21 15:21:44 -07:00
symbolize-macho-universal.test
symbolize-missing-file.test [test] Use host platform specific error message substitution in lit tests 2021-01-29 07:16:30 -05:00
symbolize-no-debug-str.test
symbolize-paths.s attempt to fix symbolize-paths.s everywhere after cd68f4 2020-01-29 14:26:50 -05:00
symbolize-shared-abbrev.s
symbolize-split-dwarf-empty.test
symbolize-split-dwarf-no-skel-address.test
symbolize-stripped-sections.test
symbolize-stripped.test
symbolize-tu.test
symbolize-zlib.test
symbolize.test
typeunit-header.test [DebugInfo] Report the format of type units [10/10] 2020-06-02 17:55:31 +07:00
unrolled-loop-remainder.ll