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Post commit review at rLLD335992
llvm-svn: 336129
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This is a follow up requested during post commit review for
"[lld] r333880 - [ELF] - Also use DW_AT_linkage_name when gathering information about variables for error messages."
It removes checking of the input objects since it is really excessive.
llvm-svn: 334946
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If building lld without x86 support, tests that require that support should
be treated as unsupported, not errors.
Tested using:
1. cmake '-DLLVM_TARGETS_TO_BUILD=AArch64;X86'
make check-lld
=>
Expected Passes : 1406
Unsupported Tests : 287
2. cmake '-DLLVM_TARGETS_TO_BUILD=AArch64'
make check-lld
=>
Expected Passes : 410
Unsupported Tests : 1283
Patch by Joel Jones
Differential Revision: https://reviews.llvm.org/D47748
llvm-svn: 334095
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llvm-svn: 333883
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variables for error messages.
Currently, when LLD do a lookup for variables location, it uses DW_AT_name attribute.
That is not always enough.
Imagine code:
namespace A {
int bar = 0;
}
namespace Z {
int bar = 1;
}
int hoho;
In this case there are 3 variables and their debug attributes are following:
A::bar has: DW_AT_name [DW_FORM_string] ("bar") DW_AT_linkage_name [DW_FORM_strp] ( .debug_str[0x00000006] = "_ZN1A3barE")
Z::bar has: DW_AT_name [DW_FORM_string] ("bar") DW_AT_linkage_name [DW_FORM_strp] ( .debug_str[0x0000003f] = "_ZN1Z3barE")
hoho has: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000004a] = "hoho") and has NO DW_AT_linkage_name attribute. Because it would be
the same as DW_AT_name and DWARF producers avoids emiting excessive data.
Hence LLD should also use DW_AT_linkage_name when it is available.
(currently, LLD fails to report location correctly because thinks that A::bar and Z::bar are the same things)
Differential revision: https://reviews.llvm.org/D47373
llvm-svn: 333880
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