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Re-land r337333, "Teach Clang to emit address-significance tables.",

Description

Re-land r337333, "Teach Clang to emit address-significance tables.",
which was reverted in r337336.

The problem that required a revert was fixed in r337338.

Also added a missing "REQUIRES: x86-registered-target" to one of
the tests.

Original commit message:

Teach Clang to emit address-significance tables.

By default, we emit an address-significance table on all ELF
targets when the integrated assembler is enabled. The emission of an
address-significance table can be controlled with the -faddrsig and
-fno-addrsig flags.

Differential Revision: https://reviews.llvm.org/D48155

Details

Committed
pccJul 17 2018, 5:27 PM
Parents
rL337338: CodeGen: Don't create address significance table entries for thread-local…
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