[clang] 8fe058d - [clang] Document llvm options controlling pragma unroll

[Yaxun Liu via cfe-commits]

Author: Yaxun (Sam) Liu
Date: 2021-07-12T16:42:50-04:00
New Revision: 8fe058dbe49b060c85f490ece2268c32b0fad7c8

URL: https://github.com/llvm/llvm-project/commit/8fe058dbe49b060c85f490ece2268c32b0fad7c8
DIFF: https://github.com/llvm/llvm-project/commit/8fe058dbe49b060c85f490ece2268c32b0fad7c8.diff

LOG: [clang] Document llvm options controlling pragma unroll

Reviewed by: Artem Belevich

Differential Revision: https://reviews.llvm.org/D105035

Added: 
    

Modified: 
    clang/docs/LanguageExtensions.rst

Removed: 
    


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diff  --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst
index d638121eecd80..f14f986c646a4 100644
--- a/clang/docs/LanguageExtensions.rst
+++ b/clang/docs/LanguageExtensions.rst
@@ -3410,6 +3410,9 @@ to the same code size limit as with ``unroll(enable)``.
 
 Unrolling of a loop can be prevented by specifying ``unroll(disable)``.
 
+Loop unroll parameters can be controlled by options
+`-mllvm -unroll-count=n` and `-mllvm -pragma-unroll-threshold=n`.
+
 Loop Distribution
 -----------------