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llvm-project/llvm/test/DebugInfo/X86
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Sergey Dmitrouk 3160d02b5b Erase constant dbgloc on reuse in PHI node 
Basic block selection involves checking successor BBs for PHI nodes
that depend on the current BB.  In case such BBs are found, the value
being selected is a constant and such constant already exists in
current BB, it's value is reused.

This might lead to wrong locations in some situations, especially if
same constant value ends up being materialized twice in two different
ways, which discards that sharing and leaves us with wrong debug
location in the successor BB.

In code this involves the following sequence of calls:

 SelectionDAGBuilder::HandlePHINodesInSuccessorBlocks ->
 SelectionDAGBuilder::CopyValueToVirtualRegister ->
 SelectionDAGBuilder::getNonRegisterValue

llvm-svn: 239089
 		2015-06-04 20:48:40 +00:00
..
2010-04-13-PubType.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
2011-09-26-GlobalVarContext.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
2011-12-16-BadStructRef.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DW_AT_byte_size.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DW_AT_linkage_name.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DW_AT_location-reference.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DW_AT_object_pointer.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DW_AT_specification.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DW_AT_stmt_list_sec_offset.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
DW_TAG_friend.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
InlinedFnLocalVar.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
aligned_stack_var.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
arange-and-stub.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
arange.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
arguments.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
array.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
array2.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
asm-macro-line-number.s IAS: correct debug line info for asm macros 2014-12-24 06:32:43 +00:00
block-capture.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
byvalstruct.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
c-type-units.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
coff_debug_info_type.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
coff_relative_names.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
concrete_out_of_line.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
constant-aggregate.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
cu-ranges-odr.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
cu-ranges.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
data_member_location.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-asm.s MC: correct DWARF line info for PE/COFF 2014-09-06 19:57:48 +00:00
dbg-at-specficiation.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-byval-parameter.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-const-int.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-const.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-declare-arg.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-declare.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-file-name.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-i128-const.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-merge-loc-entry.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-prolog-end.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-subrange.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-value-const-byref.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-value-dag-combine.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-value-inlined-parameter.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-value-isel.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-value-location.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg-value-range.ll DwarfDebug: Emit number of bytes in .debug_loc entry directly 2015-05-06 19:11:20 +00:00
dbg-value-terminator.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dbg_value_direct.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug-dead-local-var.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug-info-access.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug-info-block-captured-self.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug-info-blocks.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug-info-static-member.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug-loc-asan.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug-loc-offset.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug-ranges-offset.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug_frame.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
decl-derived-member.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
deleted-bit-piece.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
discriminator.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dwarf-aranges-no-dwarf-labels.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dwarf-aranges.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dwarf-public-names.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
dwarf-pubnames-split.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
earlydup-crash.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
elf-names.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
empty-and-one-elem-array.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
empty-array.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
empty.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
ending-run.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
enum-class.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
enum-fwd-decl.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
fission-cu.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
fission-hash.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
fission-inline.ll DebugInfo: Use low_pc relative debug_ranges under fission when the CU has a low_pc 2015-05-02 02:31:49 +00:00
fission-ranges.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
float_const.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
formal_parameter.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
frame-register.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
generate-odr-hash.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
ghost-sdnode-dbgvalues.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
gmlt.test llvm/test/DebugInfo/X86/gmlt.test: Get rid of %llc_dwarf. It should not be used with -mtriple. 2014-10-01 00:29:16 +00:00
gnu-public-names-empty.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
gnu-public-names.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
header.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
inline-member-function.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
inline-seldag-test.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
inlined-formal-parameter.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
inlined-indirect-value.ll Erase constant dbgloc on reuse in PHI node 2015-06-04 20:48:40 +00:00
instcombine-instrinsics.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
lexical_block.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
line-info.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
line.test Refactor test to be reused across architectures 2015-01-29 20:21:24 +00:00
linkage-name.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
lit.local.cfg Reduce verbiage of lit.local.cfg files 2014-06-09 22:42:55 +00:00
low-pc-cu.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
main-file-name.s Now that llvm-dwarfdump supports flags to specify which DWARF section to dump, 2013-01-25 21:44:53 +00:00
memberfnptr.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
mi-print.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
misched-dbg-value.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
missing-file-line.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
multiple-aranges.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
multiple-at-const-val.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
nodebug_with_debug_loc.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
nondefault-subrange-array.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
nophysreg.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
objc-fwd-decl.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
objc-property-void.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
op_deref.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
parameters.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
pieces-1.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
pieces-2.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
pieces-3.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
pointer-type-size.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
pr11300.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
pr12831.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
pr13303.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
pr19307.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
processes-relocations.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
prologue-stack.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
recursive_inlining.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
ref_addr_relocation.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
reference-argument.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
rvalue-ref.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
sret.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
sroasplit-1.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
sroasplit-2.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
sroasplit-3.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
sroasplit-4.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
sroasplit-5.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
stmt-list-multiple-compile-units.ll DebugInfo: Clarify test/DebugInfo/X86/stmt-list-multiple-compile-units.ll 2015-05-24 16:10:35 +00:00
stmt-list.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
stringpool.ll AsmPrinter: Emit the DwarfStringPool offset directly when possible 2015-05-24 16:14:59 +00:00
struct-loc.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
subrange-type.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
subreg.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
subregisters.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
template.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
tls.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
type_units_with_addresses.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
union-const.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
union-template.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
vector.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
vla.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00