[PATCH] D65550: [AArch64] Do not emit '#' before immediates in inline asm

[Pirama Arumuga Nainar via Phabricator via llvm-commits]

pirama created this revision.
pirama added reviewers: peter.smith, kristof.beyls.
Herald added subscribers: hiraditya, javed.absar.
Herald added a project: LLVM.

The A64 assembly language does not require the '#' character to
introduce constant immediate operands.  Avoid the '#' since the AArch64
asm parser does not accept '#' before the lane specifier and rejects the
following:

  __asm__ ("fmla v2.4s, v0.4s, v1.s[%0]" :: "I"(0x1))

Fix a test to not expect the '#' and add a new test case with the above
asm.

Fixes: https://github.com/android-ndk/ndk/issues/1036


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D65550

Files:
  llvm/lib/Target/AArch64/AArch64AsmPrinter.cpp
  llvm/test/CodeGen/AArch64/arm64-inline-asm.ll

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