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Diffstat (limited to 'docs/MIRLangRef.rst')
| -rw-r--r-- | docs/MIRLangRef.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/docs/MIRLangRef.rst b/docs/MIRLangRef.rst index d5e227a2018c..b4ca8f2347a7 100644 --- a/docs/MIRLangRef.rst +++ b/docs/MIRLangRef.rst @@ -78,6 +78,8 @@ Simplifying MIR files The MIR code coming out of ``-stop-after``/``-stop-before`` is very verbose; Tests are more accessible and future proof when simplified: +- Use the ``-simplify-mir`` option with llc. + - Machine function attributes often have default values or the test works just as well with default values. Typical candidates for this are: `alignment:`, `exposesReturnsTwice`, `legalized`, `regBankSelected`, `selected`. |