diff options
Diffstat (limited to 'docs/Passes.rst')
| -rw-r--r-- | docs/Passes.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/docs/Passes.rst b/docs/Passes.rst index d279eca3afb65..029e472bcd37d 100644 --- a/docs/Passes.rst +++ b/docs/Passes.rst @@ -476,7 +476,7 @@ transformation obviously invalidates the CFG, but can update forward dominator ------------------------------------------------- This pass munges the code in the input function to better prepare it for -SelectionDAG-based code generation. This works around limitations in it's +SelectionDAG-based code generation. This works around limitations in its basic-block-at-a-time approach. It should eventually be removed. ``-constmerge``: Merge Duplicate Global Constants @@ -490,7 +490,7 @@ string is available. ``-constprop``: Simple constant propagation ------------------------------------------- -This file implements constant propagation and merging. It looks for +This pass implements constant propagation and merging. It looks for instructions involving only constant operands and replaces them with a constant value instead of an instruction. For example: @@ -505,8 +505,8 @@ becomes i32 3 NOTE: this pass has a habit of making definitions be dead. It is a good idea -to to run a :ref:`Dead Instruction Elimination <passes-die>` pass sometime -after running this pass. +to run a :ref:`Dead Instruction Elimination <passes-die>` pass sometime after +running this pass. .. _passes-dce: @@ -1037,7 +1037,7 @@ as: * Proves conditional branches to be unconditional Note that this pass has a habit of making definitions be dead. It is a good -idea to to run a :ref:`DCE <passes-dce>` pass sometime after running this pass. +idea to run a :ref:`DCE <passes-dce>` pass sometime after running this pass. ``-simplify-libcalls``: Simplify well-known library calls --------------------------------------------------------- |