Use LLVMGetInlineAsm

This LLVM-C binding replaces the existing `LLVMRustInlineAsm` function.

compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp

@@ -622,37 +622,10 @@ extern "C" LLVMValueRef LLVMRustBuildAtomicStore(LLVMBuilderRef B,
   return wrap(SI);
 }
 
-enum class LLVMRustAsmDialect {
-  Att,
-  Intel,
-};
-
-static InlineAsm::AsmDialect fromRust(LLVMRustAsmDialect Dialect) {
-  switch (Dialect) {
-  case LLVMRustAsmDialect::Att:
-    return InlineAsm::AD_ATT;
-  case LLVMRustAsmDialect::Intel:
-    return InlineAsm::AD_Intel;
-  default:
-    report_fatal_error("bad AsmDialect.");
-  }
-}
-
 extern "C" uint64_t LLVMRustGetArrayNumElements(LLVMTypeRef Ty) {
   return unwrap(Ty)->getArrayNumElements();
 }
 
-extern "C" LLVMValueRef
-LLVMRustInlineAsm(LLVMTypeRef Ty, char *AsmString, size_t AsmStringLen,
-                  char *Constraints, size_t ConstraintsLen,
-                  LLVMBool HasSideEffects, LLVMBool IsAlignStack,
-                  LLVMRustAsmDialect Dialect, LLVMBool CanThrow) {
-  return wrap(InlineAsm::get(
-      unwrap<FunctionType>(Ty), StringRef(AsmString, AsmStringLen),
-      StringRef(Constraints, ConstraintsLen), HasSideEffects, IsAlignStack,
-      fromRust(Dialect), CanThrow));
-}
-
 extern "C" bool LLVMRustInlineAsmVerify(LLVMTypeRef Ty, char *Constraints,
                                         size_t ConstraintsLen) {
   // llvm::Error converts to true if it is an error.