[cfe-commits] r62043 - in /cfe/trunk: lib/CodeGen/CGStmt.cpp test/CodeGen/asm.c

[Anders Carlsson]

Author: andersca
Date: Sun Jan 11 13:46:50 2009
New Revision: 62043

URL: http://llvm.org/viewvc/llvm-project?rev=62043&view=rev
Log:
Handle readwrite constraints correctly

Added:
    cfe/trunk/test/CodeGen/asm.c
Modified:
    cfe/trunk/lib/CodeGen/CGStmt.cpp

Modified: cfe/trunk/lib/CodeGen/CGStmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGStmt.cpp?rev=62043&r1=62042&r2=62043&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGStmt.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGStmt.cpp Sun Jan 11 13:46:50 2009
@@ -944,9 +944,10 @@
       const Expr *InputExpr = S.getOutputExpr(i);
       llvm::Value *Arg = EmitAsmInput(S, Info, InputExpr, InOutConstraints);
       
+      InOutConstraints += llvm::utostr(Args.size());
+
       InOutArgTypes.push_back(Arg->getType());
       InOutArgs.push_back(Arg);
-      InOutConstraints += OutputConstraint;
     }
   }
   

Added: cfe/trunk/test/CodeGen/asm.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/asm.c?rev=62043&view=auto

==============================================================================
--- cfe/trunk/test/CodeGen/asm.c (added)
+++ cfe/trunk/test/CodeGen/asm.c Sun Jan 11 13:46:50 2009
@@ -0,0 +1,5 @@
+// RUN: clang %s -arch=i386 -verify -fsyntax-only
+void f(int len)
+{
+  __asm__ volatile("" :"=&r"(len), "+&r"(len));
+}