[all-commits] [llvm/llvm-project] e8a2ce: [AArch64] When printing SYS aliases, use explicit ...
Jonathan Thackray via All-commits
all-commits at lists.llvm.org
Mon May 19 09:15:25 PDT 2025
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: e8a2ce1e9c9db26f2adf4ea6c65eea0299d3a211
https://github.com/llvm/llvm-project/commit/e8a2ce1e9c9db26f2adf4ea6c65eea0299d3a211
Author: Jonathan Thackray <jonathan.thackray at arm.com>
Date: 2025-05-19 (Mon, 19 May 2025)
Changed paths:
M llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
Log Message:
-----------
[AArch64] When printing SYS aliases, use explicit `NeedsReg` flag from tablegen (NFC) (#140484)
Currently, when printing SYS aliases, the first instruction operand is
compared with the string constant "all" to decide if a register needs to
be parsed as the next operand.
For example, `TLBI VMALLE1IS` contains "all" so no register is expected,
but `TLBI IPAS2E1IS` doesn't match, so a register is expected.
Future AArch64 SYS aliases won't always match this pattern, so use the
(already provided) explicit `NeedsReg` bit flag provided in tablegen to
check if a register is required to be parsed. This is already used by
the code in `AArch64InstPrinter.cpp`, so now we are consistent in this
source file too.
No test files have been changed, since this is a non-functional change,
and all AArch64 test cases continue to pass after this change.
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