[llvm] [LangRef] callbr result can be used in all successors (PR #91167)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-ir

Author: Nikita Popov (nikic)

<details>
<summary>Changes</summary>

Originally, the callbr result could only be used on the fallthrough destination. This limitation has been lifted, and the result is now also available on the indirect destinations. However, LangRef was not updated to reflect this.

---
Full diff: https://github.com/llvm/llvm-project/pull/91167.diff


1 Files Affected:

- (modified) llvm/docs/LangRef.rst (+2-2) 


``````````diff
diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index 6291a4e57919a5..95937ffd062c6d 100644
--- a/llvm/docs/LangRef.rst
+++ b/llvm/docs/LangRef.rst
@@ -9113,8 +9113,8 @@ instruction in most regards. The primary difference is that it
 establishes an association with additional labels to define where control
 flow goes after the call.
 
-The output values of a '``callbr``' instruction are available only to
-the '``fallthrough``' block, not to any '``indirect``' blocks(s).
+The output values of a '``callbr``' instruction are available both on the
+the '``fallthrough``' block, and any '``indirect``' blocks(s).
 
 The only use of this today is to implement the "goto" feature of gcc inline
 assembly where additional labels can be provided as locations for the inline

``````````

</details>


https://github.com/llvm/llvm-project/pull/91167