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| author | Craig Topper <craig.topper@sifive.com> | 2023-11-28 18:57:20 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-11-28 18:57:20 -0800 |
| commit | 593358937025e8635f75ba8931130b1ca5212ea1 (patch) | |
| tree | e7078da9bc8a177b2bc4fa0ff76b62f4f5e8d0f9 | |
| parent | 81e3e7e5d455f85e070a27763c578df493716ae9 (diff) | |
| download | llvm-593358937025e8635f75ba8931130b1ca5212ea1.zip llvm-593358937025e8635f75ba8931130b1ca5212ea1.tar.gz llvm-593358937025e8635f75ba8931130b1ca5212ea1.tar.bz2 | |
[GISel][Docs] Add a little bit of documentation for G_FENCE. (#73722)
| -rw-r--r-- | llvm/docs/GlobalISel/GenericOpcode.rst | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/docs/GlobalISel/GenericOpcode.rst b/llvm/docs/GlobalISel/GenericOpcode.rst index 6c42ddc..26ff343 100644 --- a/llvm/docs/GlobalISel/GenericOpcode.rst +++ b/llvm/docs/GlobalISel/GenericOpcode.rst @@ -751,9 +751,10 @@ operands. G_FENCE ^^^^^^^ -.. caution:: +Generic fence. The first operand is the memory ordering. The second operand is +the syncscope. - I couldn't find any documentation on this at the time of writing. +See the LLVM LangRef entry on the '``fence'`` instruction for more details. G_MEMCPY ^^^^^^^^ |