[llvm] e4fa6c9 - [Demangle][Rust] Parse references

[Tomasz Miąsko via llvm-commits]

Author: Tomasz Miąsko
Date: 2021-05-22T11:49:08+02:00
New Revision: e4fa6c95aca1555167f867a0205cbc99caa2ce09

URL: https://github.com/llvm/llvm-project/commit/e4fa6c95aca1555167f867a0205cbc99caa2ce09
DIFF: https://github.com/llvm/llvm-project/commit/e4fa6c95aca1555167f867a0205cbc99caa2ce09.diff

LOG: [Demangle][Rust] Parse references

Reviewed By: dblaikie

Part of https://reviews.llvm.org/D102580

Added: 
    

Modified: 
    llvm/lib/Demangle/RustDemangle.cpp
    llvm/test/Demangle/rust.test

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Demangle/RustDemangle.cpp b/llvm/lib/Demangle/RustDemangle.cpp
index 9a4180feb227f..8d43b6efcab04 100644
--- a/llvm/lib/Demangle/RustDemangle.cpp
+++ b/llvm/lib/Demangle/RustDemangle.cpp
@@ -454,6 +454,16 @@ void Demangler::demangleType() {
     print(")");
     break;
   }
+  case 'R':
+    print("&");
+    // FIXME demangle [<lifetime>].
+    demangleType();
+    break;
+  case 'Q':
+    print("&mut ");
+    // FIXME demangle [<lifetime>].
+    demangleType();
+    break;
   case 'P':
     print("*const ");
     demangleType();

diff  --git a/llvm/test/Demangle/rust.test b/llvm/test/Demangle/rust.test
index 46eea4dfdc426..0634f451099b7 100644
--- a/llvm/test/Demangle/rust.test
+++ b/llvm/test/Demangle/rust.test
@@ -175,6 +175,12 @@ CHECK: types::<(_, _)>
 CHECK: types::<(_, _, _)>
        _RIC5typesTpppEE
 
+CHECK: types::<&_>
+       _RIC5typesRpE
+
+CHECK: types::<&mut _>
+       _RIC5typesQpE
+
 CHECK: types::<*const _>
        _RIC5typesPpE