[llvm] e4eec51 - [DOCS] Added example for G_EXTRACT and G_INSERT
via llvm-commits
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Wed May 5 03:18:47 PDT 2021
Author: Sushma Unnibhavi
Date: 2021-05-05T15:47:35+05:30
New Revision: e4eec519370b7bf42f31d51f7730e5c91cb53d18
URL: https://github.com/llvm/llvm-project/commit/e4eec519370b7bf42f31d51f7730e5c91cb53d18
DIFF: https://github.com/llvm/llvm-project/commit/e4eec519370b7bf42f31d51f7730e5c91cb53d18.diff
LOG: [DOCS] Added example for G_EXTRACT and G_INSERT
Reviewed By: xgupta, gargaroff
Differential Revision: https://reviews.llvm.org/D101227
Added:
Modified:
llvm/docs/GlobalISel/GenericOpcode.rst
Removed:
################################################################################
diff --git a/llvm/docs/GlobalISel/GenericOpcode.rst b/llvm/docs/GlobalISel/GenericOpcode.rst
index 0ceaa5b6f8497..6f0d7b5b4a6e9 100644
--- a/llvm/docs/GlobalISel/GenericOpcode.rst
+++ b/llvm/docs/GlobalISel/GenericOpcode.rst
@@ -186,11 +186,19 @@ Extract a register of the specified size, starting from the block given by
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:(_s64), %1:_(s32), 0
+
G_MERGE_VALUES
^^^^^^^^^^^^^^
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