[clang] 48e1250 - [clang][SVE] Undefine preprocessor macro defined in

[Paul Walker via cfe-commits]

Author: Maciej Gabka
Date: 2022-08-12T12:25:49Z
New Revision: 48e1250a91d244741c8677fed248ace1fcd7c41c

URL: https://github.com/llvm/llvm-project/commit/48e1250a91d244741c8677fed248ace1fcd7c41c
DIFF: https://github.com/llvm/llvm-project/commit/48e1250a91d244741c8677fed248ace1fcd7c41c.diff

LOG: [clang][SVE] Undefine preprocessor macro defined in

arm_sve.h defines and uses __ai macro which needs to be undefined (as it is
already in arm_neon.h).

Reviewed By: paulwalker-arm

Differential Revision: https://reviews.llvm.org/D131580

Added: 
    

Modified: 
    clang/utils/TableGen/SveEmitter.cpp

Removed: 
    


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diff  --git a/clang/utils/TableGen/SveEmitter.cpp b/clang/utils/TableGen/SveEmitter.cpp
index 4f8419b78eb7d..2ab7d7372a2a8 100644
--- a/clang/utils/TableGen/SveEmitter.cpp
+++ b/clang/utils/TableGen/SveEmitter.cpp
@@ -1282,6 +1282,8 @@ void SVEEmitter::createHeader(raw_ostream &OS) {
   OS << "#ifdef __cplusplus\n";
   OS << "} // extern \"C\"\n";
   OS << "#endif\n\n";
+  OS << "#undef __ai\n\n";
+  OS << "#undef __aio\n\n";
   OS << "#endif /*__ARM_FEATURE_SVE */\n\n";
   OS << "#endif /* __ARM_SVE_H */\n";
 }