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| author | Francis Visoiu Mistrih <francisvm@yahoo.com> | 2017-12-14 10:03:23 +0000 |
|---|---|---|
| committer | Francis Visoiu Mistrih <francisvm@yahoo.com> | 2017-12-14 10:03:23 +0000 |
| commit | ee30ab7184f54df3f2539b4648c2b5a94a507f5e (patch) | |
| tree | 02f52b3df24c0768ba948be9c6f2e5223a9e2411 /docs | |
| parent | f726becf7caba94af09e1909a4e10e3e1bd6006f (diff) | |
[CodeGen] Print MCSymbol operands as <mcsymbol sym> in both MIR and debug output
Work towards the unification of MIR and debug output by printing
`<mcsymbol sym>` instead of `<MCSym=sym>`.
Only debug syntax is affected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320685 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/MIRLangRef.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/docs/MIRLangRef.rst b/docs/MIRLangRef.rst index 14ac63bbd9d..f170c721087 100644 --- a/docs/MIRLangRef.rst +++ b/docs/MIRLangRef.rst @@ -121,6 +121,8 @@ Tests are more accessible and future proof when simplified: contains dummy functions (see above). The .mir loader will create the IR functions automatically in this case. +.. _limitations: + Limitations ----------- @@ -678,6 +680,17 @@ Example: CALL64pcrel32 $__stack_chk_fail, csr_64, implicit %rsp, implicit-def %rsp +MCSymbol Operands +^^^^^^^^^^^^^^^^^ + +A MCSymbol operand is holding a pointer to a ``MCSymbol``. For the limitations +of this operand in MIR, see :ref:`limitations <limitations>`. + +The syntax is: + +.. code-block:: text + + EH_LABEL <mcsymbol Ltmp1> .. TODO: Describe the parsers default behaviour when optional YAML attributes are missing. |