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Diffstat (limited to 'docs/LangRef.rst')
| -rw-r--r-- | docs/LangRef.rst | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/docs/LangRef.rst b/docs/LangRef.rst index ef9fd92d2e56..167280f75f7f 100644 --- a/docs/LangRef.rst +++ b/docs/LangRef.rst @@ -823,9 +823,11 @@ with the same name. This is necessary because both globals belong to different COMDAT groups and COMDATs, at the object file level, are represented by sections. -Note that certain IR constructs like global variables and functions may create -COMDATs in the object file in addition to any which are specified using COMDAT -IR. This arises, for example, when a global variable has linkonce_odr linkage. +Note that certain IR constructs like global variables and functions may +create COMDATs in the object file in addition to any which are specified using +COMDAT IR. This arises when the code generator is configured to emit globals +in individual sections (e.g. when `-data-sections` or `-function-sections` +is supplied to `llc`). .. _namedmetadatastructure: @@ -3640,7 +3642,7 @@ will be partially unrolled. '``llvm.loop.unroll.disable``' Metadata ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -This metadata either disables loop unrolling. The metadata has a single operand +This metadata disables loop unrolling. The metadata has a single operand which is the string ``llvm.loop.unroll.disable``. For example: .. code-block:: llvm @@ -3650,7 +3652,7 @@ which is the string ``llvm.loop.unroll.disable``. For example: '``llvm.loop.unroll.runtime.disable``' Metadata ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -This metadata either disables runtime loop unrolling. The metadata has a single +This metadata disables runtime loop unrolling. The metadata has a single operand which is the string ``llvm.loop.unroll.runtime.disable``. For example: .. code-block:: llvm @@ -3660,8 +3662,8 @@ operand which is the string ``llvm.loop.unroll.runtime.disable``. For example: '``llvm.loop.unroll.full``' Metadata ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -This metadata either suggests that the loop should be unrolled fully. The -metadata has a single operand which is the string ``llvm.loop.unroll.disable``. +This metadata suggests that the loop should be unrolled fully. The +metadata has a single operand which is the string ``llvm.loop.unroll.full``. For example: .. code-block:: llvm |