diff options
Diffstat (limited to 'clang/docs/UsersManual.rst')
| -rw-r--r-- | clang/docs/UsersManual.rst | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst index 84dfe9fc3d7..09e9f9e6609 100644 --- a/clang/docs/UsersManual.rst +++ b/clang/docs/UsersManual.rst @@ -1855,6 +1855,27 @@ features. You can "tune" the debug info for one of several different debuggers. must come first.) +Controlling LLVM IR Output +-------------------------- + +Controlling Value Names in LLVM IR +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Emitting value names in LLVM IR increases the size and verbosity of the IR. +By default, value names are only emitted in assertion-enabled builds of Clang. +However, when reading IR it can be useful to re-enable the emission of value +names to improve readability. + +.. option:: -fdiscard-value-names + + Discard value names when generating LLVM IR. + +.. option:: -fno-discard-value-names + + Do not discard value names when generating LLVM IR. This option can be used + to re-enable names for release builds of Clang. + + Comment Parsing Options ----------------------- |
