[clang][SVE] Undefine preprocessor macro defined in

mgabka · tru · commit b4a285bcb59e · 2022-08-17T10:56:17.000+02:00
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 (cherry picked from commit 48e1250)
diff --git 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";
 }

Original file line number	Diff line number	Diff line change
`@@ -1282,6 +1282,8 @@ void SVEEmitter::createHeader(raw_ostream &OS) {`
`1282`	`1282`	`OS << "#ifdef __cplusplus\n";`
`1283`	`1283`	`OS << "} // extern \"C\"\n";`
`1284`	`1284`	`OS << "#endif\n\n";`
	`1285`	`+ OS << "#undef __ai\n\n";`
	`1286`	`+ OS << "#undef __aio\n\n";`
`1285`	`1287`	`OS << "#endif /__ARM_FEATURE_SVE /\n\n";`
`1286`	`1288`	`OS << "#endif /* __ARM_SVE_H */\n";`
`1287`	`1289`	`}`