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| -rw-r--r-- | docs/users_guide/flags.xml | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/docs/users_guide/flags.xml b/docs/users_guide/flags.xml index 0572039e87..1d091d7e2f 100644 --- a/docs/users_guide/flags.xml +++ b/docs/users_guide/flags.xml @@ -1571,15 +1571,6 @@ </row> <row> - <entry><option>-fllvm-tbaa</option></entry> - <entry>Turn on Typed Based Alias Analysis information in the LLVM - backend. This enables more accurate and alias information in the LLVM - backend for better optimisation. (default: enabled)</entry> - <entry>dynamic</entry> - <entry><option>-fno-llvm-tbaa</option></entry> - </row> - - <row> <entry><option>-fmax-simplifier-iterations</option></entry> <entry>Set the max iterations for the simplifier</entry> <entry>dynamic</entry> @@ -1633,23 +1624,6 @@ </row> <row> - <entry><option>-freg-liveness</option></entry> - <entry>Track STG register liveness to avoid saving and restoring - dead registers, as well as freeing the dead ones for use in - intermediate code. (LLVM backend only, default: enabled). - - Traditionally GHC has reserved a set of machine registers for the - exclusive use of storing a stack pointer, heap pointer and - general purpose function argument registers (these are the so - called STG registers). This optimisation tracks the liveness of - the machine registers the STG registers are mapped to so that the - machine register can be used for other purposes when the STG - register are dead.</entry> - <entry>dynamic</entry> - <entry><option>-fno-reg-liveness</option></entry> - </row> - - <row> <entry><option>-fsimplifier-phases</option></entry> <entry>Set the number of phases for the simplifier (default 2). Ignored with <option>-O0</option>.</entry> |