r176453 - Mips specific inline assembler constraint 'R'

[Jack Carter]

Author: jacksprat
Date: Mon Mar  4 15:36:11 2013
New Revision: 176453

URL: http://llvm.org/viewvc/llvm-project?rev=176453&view=rev
Log:
Mips specific inline assembler constraint 'R'

'R' An address that can be sued in a non-macro load or store.
This patch includes a positive test case.


Modified:
    cfe/trunk/lib/Basic/Targets.cpp
    cfe/trunk/test/CodeGen/mips-constraint-regs.c

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=176453&r1=176452&r2=176453&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Mon Mar  4 15:36:11 2013
@@ -4486,6 +4486,9 @@ public:
     case 'x': // hilo register pair
       Info.setAllowsRegister();
       return true;
+    case 'R': // An address tha can be used in a non-macro load or store
+      Info.setAllowsMemory();
+      return true;
     }
   }
 

Modified: cfe/trunk/test/CodeGen/mips-constraint-regs.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/mips-constraint-regs.c?rev=176453&r1=176452&r2=176453&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/mips-constraint-regs.c (original)
+++ cfe/trunk/test/CodeGen/mips-constraint-regs.c Mon Mar  4 15:36:11 2013
@@ -2,9 +2,7 @@
 // RUN: | FileCheck %s
 
 // This checks that the frontend will accept inline asm constraints
-// c', 'l' and 'x'. Semantic checking will happen in the
-// llvm backend. Any bad constraint letters will cause the frontend to
-// error out.
+// c', 'l' and 'x'.
 
 int main()
 {