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Fangrui Song cfbd5c8e4a [AArch64] Allow .variant_pcs before the symbol is registered

glibc sysdeps/aarch64/tst-vpcs-mod.S has something like:
```
.variant_pcs    vpcs_call
.global vpcs_call
```

This is supported by GNU as but leads to an error in MC. Use getOrCreateSymbol
to support a not-yet-registered symbol: call `registerSymbol` to ensure the
symbol exists even if there is no binding directive/label, to match GNU as.

While here, improve tests to check (1) a local symbol can get
STO_AARCH64_VARIANT_PCS (2) undefined .variant_pcs (3) an alias does not
inherit STO_AARCH64_VARIANT_PCS.

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D122507

2022-03-28 17:52:27 -07:00

AArch64AddressingModes.h

Third Recommit "[AArch64] Split bitmask immediate of bitwise AND operation"

2021-10-08 11:28:49 +01:00

AArch64AsmBackend.cpp

[AArch64] Fallback to DWARF when trying to emit compact unwind info with multiple CFA offset adjustments

2022-03-23 15:32:42 +00:00

AArch64ELFObjectWriter.cpp

[AArch64] Replace fixup_aarch64_tlsdesc_call with FirstLiteralRelocationKind + R_AARCH64_{,P32_}TLSDESC_CALL

2021-05-05 17:41:56 -07:00

AArch64ELFStreamer.cpp

[AArch64] Allow .variant_pcs before the symbol is registered