Importing rustc-1.58.0

Bug: 213921092
Test: ./build.py --lto=thin
Change-Id: Icc9fe2d5bc3327afd20177fc973a6e44941f787f

compiler/rustc_codegen_llvm/src/llvm/ffi.rs

diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index 4c9ae4f..1d255c0 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -166,6 +166,9 @@
     InaccessibleMemOnly = 27,
     SanitizeHWAddress = 28,
     WillReturn = 29,
+    StackProtectReq = 30,
+    StackProtectStrong = 31,
+    StackProtect = 32,
 }
 
 /// LLVMIntPredicate
@@ -416,6 +419,7 @@
     MD_nontemporal = 9,
     MD_mem_parallel_loop_access = 10,
     MD_nonnull = 11,
+    MD_type = 19,
 }
 
 /// LLVMRustAsmDialect
@@ -1002,6 +1006,8 @@
     pub fn LLVMSetValueName2(Val: &Value, Name: *const c_char, NameLen: size_t);
     pub fn LLVMReplaceAllUsesWith(OldVal: &'a Value, NewVal: &'a Value);
     pub fn LLVMSetMetadata(Val: &'a Value, KindID: c_uint, Node: &'a Value);
+    pub fn LLVMGlobalSetMetadata(Val: &'a Value, KindID: c_uint, Metadata: &'a Metadata);
+    pub fn LLVMValueAsMetadata(Node: &'a Value) -> &Metadata;
 
     // Operations on constants of any type
     pub fn LLVMConstNull(Ty: &Type) -> &Value;
@@ -1734,6 +1740,8 @@
 
     pub fn LLVMTimeTraceProfilerInitialize();
 
+    pub fn LLVMTimeTraceProfilerFinishThread();
+
     pub fn LLVMTimeTraceProfilerFinish(FileName: *const c_char);
 
     pub fn LLVMAddAnalysisPasses(T: &'a TargetMachine, PM: &PassManager<'a>);
@@ -1770,7 +1778,7 @@
 
     pub fn LLVMDisposeMessage(message: *mut c_char);
 
-    pub fn LLVMStartMultithreaded() -> Bool;
+    pub fn LLVMIsMultithreaded() -> Bool;
 
     /// Returns a string describing the last error caused by an LLVMRust* call.
     pub fn LLVMRustGetLastError() -> *const c_char;
@@ -2187,6 +2195,7 @@
         UseSoftFP: bool,
         FunctionSections: bool,
         DataSections: bool,
+        UniqueSectionNames: bool,
         TrapUnreachable: bool,
         Singlethread: bool,
         AsmComments: bool,