[SVE] Restore broken LLVM-C ABI compatability

[joerg]

LGTM

[ctetreau]

rebase

[ctetreau]

Fix test

llvm/include/llvm-c/Core.h

typedef enum {
   LLVMCleanupRet     = 61,
   LLVMCatchRet       = 62,
   LLVMCatchPad       = 63,
   LLVMCleanupPad     = 64,
   LLVMCatchSwitch    = 65
 } LLVMOpcode;
 
 typedef enum {
-  LLVMVoidTypeKind,        /**< type with no size */
-  LLVMHalfTypeKind,        /**< 16 bit floating point type */
-  LLVMBFloatTypeKind,      /**< 16 bit brain floating point type */
-  LLVMFloatTypeKind,       /**< 32 bit floating point type */
-  LLVMDoubleTypeKind,      /**< 64 bit floating point type */
-  LLVMX86_FP80TypeKind,    /**< 80 bit floating point type (X87) */
-  LLVMFP128TypeKind,       /**< 128 bit floating point type (112-bit mantissa)*/
-  LLVMPPC_FP128TypeKind,   /**< 128 bit floating point type (two 64-bits) */
-  LLVMLabelTypeKind,       /**< Labels */
-  LLVMIntegerTypeKind,     /**< Arbitrary bit width integers */
-  LLVMFunctionTypeKind,    /**< Functions */
-  LLVMStructTypeKind,      /**< Structures */
-  LLVMArrayTypeKind,       /**< Arrays */
-  LLVMPointerTypeKind,     /**< Pointers */
-  LLVMMetadataTypeKind,    /**< Metadata */
-  LLVMX86_MMXTypeKind,     /**< X86 MMX */
-  LLVMTokenTypeKind,       /**< Tokens */
-  LLVMFixedVectorTypeKind, /**< Fixed width SIMD vector type */
+  LLVMVoidTypeKind,      /**< type with no size */
+  LLVMHalfTypeKind,      /**< 16 bit floating point type */
+  LLVMBFloatTypeKind,    /**< 16 bit brain floating point type */
+  LLVMFloatTypeKind,     /**< 32 bit floating point type */
+  LLVMDoubleTypeKind,    /**< 64 bit floating point type */
+  LLVMX86_FP80TypeKind,  /**< 80 bit floating point type (X87) */
+  LLVMFP128TypeKind,     /**< 128 bit floating point type (112-bit mantissa)*/
+  LLVMPPC_FP128TypeKind, /**< 128 bit floating point type (two 64-bits) */
+  LLVMLabelTypeKind,     /**< Labels */
+  LLVMIntegerTypeKind,   /**< Arbitrary bit width integers */
+  LLVMFunctionTypeKind,  /**< Functions */
+  LLVMStructTypeKind,    /**< Structures */
+  LLVMArrayTypeKind,     /**< Arrays */
+  LLVMPointerTypeKind,   /**< Pointers */
+  LLVMVectorTypeKind,    /**< Fixed width SIMD vector type */
+  LLVMMetadataTypeKind,  /**< Metadata */
+  LLVMX86_MMXTypeKind,   /**< X86 MMX */
+  LLVMTokenTypeKind,     /**< Tokens */
   LLVMScalableVectorTypeKind /**< Scalable SIMD vector type */
 } LLVMTypeKind;
 
 typedef enum {
   LLVMExternalLinkage,    /**< Externally visible function */
   LLVMAvailableExternallyLinkage,
   LLVMLinkOnceAnyLinkage, /**< Keep one copy of function when linking (inline)*/
   LLVMLinkOnceODRLinkage, /**< Same, but only replaced by something

llvm/lib/IR/Core.cpp

LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty) {
   case Type::FunctionTyID:
     return LLVMFunctionTypeKind;
   case Type::StructTyID:
     return LLVMStructTypeKind;
   case Type::ArrayTyID:
     return LLVMArrayTypeKind;
   case Type::PointerTyID:
     return LLVMPointerTypeKind;
+  case Type::FixedVectorTyID:
+    return LLVMVectorTypeKind;
   case Type::X86_MMXTyID:
     return LLVMX86_MMXTypeKind;
   case Type::TokenTyID:
     return LLVMTokenTypeKind;
-  case Type::FixedVectorTyID:
-    return LLVMFixedVectorTypeKind;
   case Type::ScalableVectorTyID:
     return LLVMScalableVectorTypeKind;
   }
   llvm_unreachable("Unhandled TypeID.");
 }
 
 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty)
 {

llvm/tools/llvm-c-test/echo.cpp

switch (Kind) {
       case LLVMPointerTypeKind:
         return LLVMPointerType(
           Clone(LLVMGetElementType(Src)),
           LLVMGetPointerAddressSpace(Src)
         );
       case LLVMScalableVectorTypeKind:
         // FIXME: scalable vectors unsupported
         break;
-      case LLVMFixedVectorTypeKind:
+      case LLVMVectorTypeKind:
         return LLVMVectorType(
           Clone(LLVMGetElementType(Src)),
           LLVMGetVectorSize(Src)
         );
       case LLVMMetadataTypeKind:
         return LLVMMetadataTypeInContext(Ctx);
       case LLVMX86_MMXTypeKind:
         return LLVMX86MMXTypeInContext(Ctx);