Rollup merge of rust-lang#62907 - nikic:msp430-asmparser, r=alexcrichton

Initialize the MSP430 AsmParser

Hopefully fixes rust-lang#59077.

r? @alexcrichton

src/librustc_llvm/build.rs

@@ -112,6 +112,10 @@ fn main() {
         println!("cargo:rustc-cfg=llvm_component=\"{}\"", component);
     }
 
+    if major >= 9 {
+        println!("cargo:rustc-cfg=llvm_has_msp430_asm_parser");
+    }
+
     // Link in our own LLVM shims, compiled with the same flags as LLVM
     let mut cmd = Command::new(&llvm_config);
     cmd.arg("--cxxflags");

src/librustc_llvm/lib.rs

@@ -76,6 +76,8 @@ pub fn initialize_available_targets() {
                  LLVMInitializeMSP430Target,
                  LLVMInitializeMSP430TargetMC,
                  LLVMInitializeMSP430AsmPrinter);
+    init_target!(all(llvm_component = "msp430", llvm_has_msp430_asm_parser),
+                 LLVMInitializeMSP430AsmParser);
     init_target!(llvm_component = "riscv",
                  LLVMInitializeRISCVTargetInfo,
                  LLVMInitializeRISCVTarget,