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[lld] Reapply "Prevent duplicate files in debug line header in dwarf 5." 

Reapply rL356943; the previous attempt was reverted because the patch rL356941
that this depended on had broken a test.

Original commit message:

[lld] Prevent duplicate files in debug line header in dwarf 5.

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59671

llvm-svn: 357020
This commit is contained in:
Ali Tamur 2019-03-26 18:59:52 +00:00
parent 445744d840
commit 5c2f176ccc
2 changed files with 7 additions and 9 deletions
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13
lld/test/ELF/debug-line-obj.s
View File

@ -32,11 +32,10 @@
_Z3barv:
.Lfunc_begin0:
.file 0 "/path" "test.cpp" md5 0x9ff11a8404ab4d032ee2dd4f5f8c4140
.file 1 "test.cpp" md5 0x9ff11a8404ab4d032ee2dd4f5f8c4140
.loc 1 2 0 # test.cpp:2:0
.loc 1 2 20 prologue_end # test.cpp:2:20
.loc 0 2 0 # test.cpp:2:0
.loc 0 2 20 prologue_end # test.cpp:2:20
callq _Z3foov
.loc 1 2 13 is_stmt 0 # test.cpp:2:13
.loc 0 2 13 is_stmt 0 # test.cpp:2:13
.Lfunc_end0:
.size _Z3barv, .Lfunc_end0-_Z3barv
# -- End function
@ -45,10 +44,10 @@ _Z3barv:
.type _Z3bazv,@function
_Z3bazv: # @_Z3bazv
.Lfunc_begin1:
.loc 1 3 0 is_stmt 1 # test.cpp:3:0
.loc 1 3 20 prologue_end # test.cpp:3:20
.loc 0 3 0 is_stmt 1 # test.cpp:3:0
.loc 0 3 20 prologue_end # test.cpp:3:20
callq _Z3foov
.loc 1 3 13 is_stmt 0 # test.cpp:3:13
.loc 0 3 13 is_stmt 0 # test.cpp:3:13
.Lfunc_end1:
.size _Z3bazv, .Lfunc_end1-_Z3bazv

3
lld/test/ELF/debug-line-str.s
View File

@ -27,8 +27,7 @@
main:
.Lfunc_begin0:
.file 0 "/home/path" "test.cpp" md5 0x8ed32099ab837bd13543fd3e8102739f
.file 1 "test.cpp" md5 0x8ed32099ab837bd13543fd3e8102739f
.loc 1 3 10 prologue_end
.loc 0 3 10 prologue_end
jmp _Z3foov
.Lfunc_end0: