[llvm] 6e2ed23 - [llvm-reduce][Docs] Add docs on --delta-passes option (#218158)

[via llvm-commits]

Author: Aiden Grossman
Date: 2026-08-22T16:25:34-07:00
New Revision: 6e2ed23e118954dbf0f7cc2e9de672fdccc130c9

URL: https://github.com/llvm/llvm-project/commit/6e2ed23e118954dbf0f7cc2e9de672fdccc130c9
DIFF: https://github.com/llvm/llvm-project/commit/6e2ed23e118954dbf0f7cc2e9de672fdccc130c9.diff

LOG: [llvm-reduce][Docs] Add docs on --delta-passes option (#218158)

Added: 
    

Modified: 
    llvm/docs/CommandGuide/llvm-reduce.rst

Removed: 
    


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diff  --git a/llvm/docs/CommandGuide/llvm-reduce.rst b/llvm/docs/CommandGuide/llvm-reduce.rst
index 54fc2437b70cc..1bba9020bc62e 100644
--- a/llvm/docs/CommandGuide/llvm-reduce.rst
+++ b/llvm/docs/CommandGuide/llvm-reduce.rst
@@ -34,10 +34,16 @@ GENERIC OPTIONS
 
  Abort if any reduction results in invalid IR
 
-.. option::--delta-passes=<string>
+.. option:: --delta-passes=<string>
 
- Delta passes to run, separated by commas. By default, run all delta passes.
+ A comma-separated list of delta passes to run. By default, :program:`llvm-reduce`
+ runs all available delta passes for the input format (IR or MIR). When specified,
+ only the listed passes will be executed, in the given order.
 
+ Available delta passes can be listed using :option:`--print-delta-passes`.
+ Specific passes can also be excluded using :option:`--skip-delta-passes`.
+ If an unrecognized pass name is specified, :program:`llvm-reduce` will report an
+ error and exit.
 
 .. option:: --in-place
 
@@ -65,13 +71,13 @@ GENERIC OPTIONS
 
 .. option:: --print-delta-passes
 
- Print list of delta passes, passable to --delta-passes as a comma separated liste.
+ Print list of delta passes, passable to :option:`--delta-passes` as a comma-separated list.
 
 .. option:: --skip-delta-passes=<string>
 
  Delta passes to not run, separated by commas. By default, run all delta passes.
 
-.. option::--skip-verify-interesting-after-counting-chunks
+.. option:: --skip-verify-interesting-after-counting-chunks
 
  Do not validate testcase is interesting after counting chunks. This
  will save time by avoiding extra executions of the interestingness