[llvm] [NFC] add LLVM_ABI to function getMemcmp declaration (PR #166192)

[zhijian lin via llvm-commits]

https://github.com/diggerlin updated https://github.com/llvm/llvm-project/pull/166192

>From 270140a4f0bc2d986fc14849b428d25a8a323cbb Mon Sep 17 00:00:00 2001
From: zhijian <zhijian at ca.ibm.com>
Date: Mon, 3 Nov 2025 17:14:33 +0000
Subject: [PATCH 1/2] add LLVM_ABI to function getMemcmp declare

---
 llvm/include/llvm/CodeGen/SelectionDAG.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/llvm/include/llvm/CodeGen/SelectionDAG.h b/llvm/include/llvm/CodeGen/SelectionDAG.h
index df6ce0fe1b037..569f9cbbe3a2a 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAG.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAG.h
@@ -1256,9 +1256,10 @@ class SelectionDAG {
   /// stack arguments from being clobbered.
   LLVM_ABI SDValue getStackArgumentTokenFactor(SDValue Chain);
 
-  std::pair<SDValue, SDValue> getMemcmp(SDValue Chain, const SDLoc &dl,
-                                        SDValue Dst, SDValue Src, SDValue Size,
-                                        const CallInst *CI);
+  LLVM_ABI std::pair<SDValue, SDValue> getMemcmp(SDValue Chain, const SDLoc &dl,
+                                                 SDValue Dst, SDValue Src,
+                                                 SDValue Size,
+                                                 const CallInst *CI);
   LLVM_ABI std::pair<SDValue, SDValue>
   getStrlen(SDValue Chain, const SDLoc &dl, SDValue Src, const CallInst *CI);
 

>From 27d34be414f110a5ff0c45cb7c91bddc67e231fb Mon Sep 17 00:00:00 2001
From: zhijian <zhijian at ca.ibm.com>
Date: Mon, 3 Nov 2025 19:05:49 +0000
Subject: [PATCH 2/2] add comment to the function

---
 llvm/include/llvm/CodeGen/SelectionDAG.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/llvm/include/llvm/CodeGen/SelectionDAG.h b/llvm/include/llvm/CodeGen/SelectionDAG.h
index 569f9cbbe3a2a..3276c90c8c446 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAG.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAG.h
@@ -1256,10 +1256,14 @@ class SelectionDAG {
   /// stack arguments from being clobbered.
   LLVM_ABI SDValue getStackArgumentTokenFactor(SDValue Chain);
 
+  /// Lower a memcmp operation into a target library call and return the
+  /// resulting chain and call result as SelectionDAG SDValues.
   LLVM_ABI std::pair<SDValue, SDValue> getMemcmp(SDValue Chain, const SDLoc &dl,
                                                  SDValue Dst, SDValue Src,
                                                  SDValue Size,
                                                  const CallInst *CI);
+  /// Lower a strlen operation into a target library call and return the
+  /// resulting chain and call result as SelectionDAG SDValues.
   LLVM_ABI std::pair<SDValue, SDValue>
   getStrlen(SDValue Chain, const SDLoc &dl, SDValue Src, const CallInst *CI);