X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fdebugging.xml;h=b84134ad13eadef668f9414043a9ee7a65c8d040;hb=4a1e7a0e4c64460187b63669e6d00258cbe3b137;hp=638ab7a4b50d732352fa82a0db4caefe7100a8d1;hpb=368f9fc139a24b771b5b3282753544fb087f6b55;p=ghc-hetmet.git
diff --git a/docs/users_guide/debugging.xml b/docs/users_guide/debugging.xml
index 638ab7a..b84134a 100644
--- a/docs/users_guide/debugging.xml
+++ b/docs/users_guide/debugging.xml
@@ -120,8 +120,42 @@
- dumps all rewrite rules (including those generated
- by the specialisation pass)
+ dumps all rewrite rules specified in this module;
+ see .
+
+
+
+
+
+
+ :
+
+
+
+ dumps the names of all rules that fired in this module
+
+
+
+
+
+ :
+
+
+
+ dumps detailed information about all rules that fired in
+ this module
+
+
+
+
+
+
+ :
+
+
+
+ dumps the output of the vectoriser.
+
@@ -177,8 +211,8 @@
- :
-
+ :
+ worker/wrapper split output
@@ -285,7 +319,7 @@
Show the output of each run of the simplifier. Used when even
- doesn't cut it.
+ doesn't cut it.
@@ -327,14 +361,25 @@
-
+
-
- Make the type checker be *real* chatty about what it is
- upto.
-
+
+ Make the type checker be *real* chatty about what it is
+ upto.
+
+
+
+
+
+
+
+
+
+ Make the vectoriser be *real* chatty about what it is
+ upto.
+
@@ -374,7 +419,7 @@
of output!) So: when we're really desperate:
-% ghc -noC -O -ddump-simpl -dverbose-simpl -dcore-lint Foo.hs
+% ghc -noC -O -ddump-simpl -dverbose-core2core -dcore-lint Foo.hs
@@ -392,6 +437,17 @@
+
+
+
+
+ Print a one-line summary of the size of the Core program
+ at the end of the optimisation pipeline.
+
+
+
+
+
@@ -420,7 +476,15 @@
style.
+
+
+
+
+ Formatting dumps
+
+ formatting dumps
+
@@ -436,12 +500,129 @@
-
-
+
+
+
+
+ Set the width of debugging output. Use this if your code is wrapping too much.
+ For example: .
+
+
+
+
+
+
+
+
+
+ Print single alternative case expressions as though they were strict
+ let expressions. This is helpful when your code does a lot of unboxing.
+
+
+
+
+
+
+
+
+
+ Suppress any unsolicited debugging output. When GHC
+ has been built with the DEBUG option it
+ occasionally emits debug output of interest to developers.
+ The extra output can confuse the testing framework and
+ cause bogus test failures, so this flag is provided to
+ turn it off.
+
+
+
+
+
+
+
+ Suppressing unwanted information
+
+ suppression
+
+ Core dumps contain a large amount of information. Depending on what you are doing, not all of it will be useful.
+ Use these flags to suppress the parts that you are not interested in.
+
+
+
+
+
+
+
+
+ Suppress everything that can be suppressed, except for unique ids as this often
+ makes the printout ambiguous. If you just want to see the overall structure of
+ the code, then start here.
+
+
+
+
+
+
+
+
+
+ Suppress the printing of uniques. This may make
+ the printout ambiguous (e.g. unclear where an occurrence of 'x' is bound), but
+ it makes the output of two compiler runs have many fewer gratuitous differences,
+ so you can realistically apply diff. Once diff
+ has shown you where to look, you can try again without
+
+
+
+
+
+
+
+
+
+ Suppress extended information about identifiers where they are bound. This includes
+ strictness information and inliner templates. Using this flag can cut the size
+ of the core dump in half, due to the lack of inliner templates
+
+
+
+
+
+
+
+
+
+ Suppress the printing of module qualification prefixes.
+ This is the Data.List in Data.List.length.
+
+
+
+
+
+
+
+
+
+ Suppress the printing of type signatures.
+
+
+
+
+
+
+
+
+
+ Suppress the printing of type applications.
+
+
+
+
+
+
+
- Have the renamer report what imports does not
- contribute.
+ Suppress the printing of type coercions.
@@ -621,7 +802,6 @@ Main.skip2{-r1L6-} =