[llvm] 195fe59 - [TableGen] Fix a warning in GlobalISelCombinerEmitter.cpp (NFC)

[Jie Fu via llvm-commits]

Author: Jie Fu
Date: 2025-05-13T21:48:17+08:00
New Revision: 195fe59c11b825548343ba996cf5e26fe2c432f1

URL: https://github.com/llvm/llvm-project/commit/195fe59c11b825548343ba996cf5e26fe2c432f1
DIFF: https://github.com/llvm/llvm-project/commit/195fe59c11b825548343ba996cf5e26fe2c432f1.diff

LOG: [TableGen] Fix a warning in GlobalISelCombinerEmitter.cpp (NFC)

/llvm-project/llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp:2612:14:
error: variable 'ExpectedID' set but not used [-Werror,-Wunused-but-set-variable]
    unsigned ExpectedID = 0;
             ^
1 error generated.

Added: 
    

Modified: 
    llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp

Removed: 
    


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diff  --git a/llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp b/llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp
index f09598286e548..9fcce0b80838e 100644
--- a/llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp
+++ b/llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp
@@ -2609,7 +2609,7 @@ void GICombinerEmitter::emitTestSimplePredicate(raw_ostream &OS) {
     // To avoid emitting a switch, we expect that all those rules are in order.
     // That way we can just get the RuleID from the enum by subtracting
     // (GICXXPred_Invalid + 1).
-    unsigned ExpectedID = 0;
+    [[maybe_unused]] unsigned ExpectedID = 0;
     for (const auto &ID : keys(AllCombineRules)) {
       assert(ExpectedID == ID && "combine rules are not ordered!");
       ++ExpectedID;