[llvm] e414bf9 - [LangRef] Document the fourth operand for vp.cttz/ctlz. NFC (#97387)

[via llvm-commits]

Author: Craig Topper
Date: 2024-07-02T09:26:54-07:00
New Revision: e414bf9fffcb9b6010c7eb08406696a9de931d66

URL: https://github.com/llvm/llvm-project/commit/e414bf9fffcb9b6010c7eb08406696a9de931d66
DIFF: https://github.com/llvm/llvm-project/commit/e414bf9fffcb9b6010c7eb08406696a9de931d66.diff

LOG: [LangRef] Document the fourth operand for vp.cttz/ctlz. NFC (#97387)

Added: 
    

Modified: 
    llvm/docs/LangRef.rst

Removed: 
    


################################################################################
diff  --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index 426f56d22dd79..b6f8a24937df6 100644
--- a/llvm/docs/LangRef.rst
+++ b/llvm/docs/LangRef.rst
@@ -24503,7 +24503,9 @@ Arguments:
 The first operand and the result have the same vector of integer type. The
 second operand is the vector mask and has the same number of elements as the
 result vector type. The third operand is the explicit vector length of the
-operation.
+operation. The fourth operand is a constant flag that indicates whether the
+intrinsic returns a valid result if the first operand is zero. If the first
+operand is zero and the fourth operand is true, the result is poison.
 
 Semantics:
 """"""""""
@@ -24550,7 +24552,9 @@ Arguments:
 The first operand and the result have the same vector of integer type. The
 second operand is the vector mask and has the same number of elements as the
 result vector type. The third operand is the explicit vector length of the
-operation.
+operation. The fourth operand is a constant flag that indicates whether the
+intrinsic returns a valid result if the first operand is zero. If the first
+operand is zero and the fourth operand is true, the result is poison.
 
 Semantics:
 """"""""""