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-rw-r--r--llvm/docs/LangRef.rst6
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index bfe0a0ab9fe..07d755c1d78 100644
--- a/llvm/docs/LangRef.rst
+++ b/llvm/docs/LangRef.rst
@@ -13580,7 +13580,8 @@ Arguments:
""""""""""
The first argument to this intrinsic is a scalar accumulator value, which is
only used when there are no fast-math flags attached. This argument may be undef
-when fast-math flags are used.
+when fast-math flags are used. The type of the accumulator matches the
+element-type of the vector input.
The second argument must be a vector of floating-point values.
@@ -13643,7 +13644,8 @@ Arguments:
""""""""""
The first argument to this intrinsic is a scalar accumulator value, which is
only used when there are no fast-math flags attached. This argument may be undef
-when fast-math flags are used.
+when fast-math flags are used. The type of the accumulator matches the
+element-type of the vector input.
The second argument must be a vector of floating-point values.
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