[PATCH] D101227: [DOCS] Added example for G_EXTRACT and G_INSERT
Sushma Unnibhavi via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat May 1 05:16:42 PDT 2021
sushmaunnibhavi updated this revision to Diff 342138.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D101227/new/
https://reviews.llvm.org/D101227
Files:
llvm/docs/GlobalISel/GenericOpcode.rst
Index: llvm/docs/GlobalISel/GenericOpcode.rst
===================================================================
--- llvm/docs/GlobalISel/GenericOpcode.rst
+++ llvm/docs/GlobalISel/GenericOpcode.rst
@@ -186,11 +186,19 @@
index. This will almost certainly be mapped to sub-register COPYs after
register banks have been selected.
+.. code-block:: none
+
+ %3:_(s32) = G_EXTRACT %2:_(s64), 32
+
G_INSERT
^^^^^^^^
Insert a smaller register into a larger one at the specified bit-index.
+.. code-block:: none
+
+ %2:_(s64) = G_INSERT %0, %1:_(s32), 0
+
G_MERGE_VALUES
^^^^^^^^^^^^^^
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