[cfe-commits] r77854 - in /cfe/trunk: lib/CodeGen/CGStmt.cpp test/CodeGen/asm-inout.c

[Anders Carlsson]

Author: andersca
Date: Sat Aug  1 22:40:19 2009
New Revision: 77854

URL: http://llvm.org/viewvc/llvm-project?rev=77854&view=rev
Log:
Don't evaluate inout constraints twice. Fixes PR3800.

Added:
    cfe/trunk/test/CodeGen/asm-inout.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=77854&r1=77853&r2=77854&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGStmt.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGStmt.cpp Sat Aug  1 22:40:19 2009
@@ -917,8 +917,8 @@
       else
         InOutConstraints += OutputConstraint;
 
-      InOutArgTypes.push_back(Arg->getType());
-      InOutArgs.push_back(Arg);
+      InOutArgTypes.push_back(Dest.getAddress()->getType());
+      InOutArgs.push_back(Dest.getAddress());
     }
   }
   

Added: cfe/trunk/test/CodeGen/asm-inout.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/asm-inout.c?rev=77854&view=auto

==============================================================================
--- cfe/trunk/test/CodeGen/asm-inout.c (added)
+++ cfe/trunk/test/CodeGen/asm-inout.c Sat Aug  1 22:40:19 2009
@@ -0,0 +1,8 @@
+// RUN: clang-cc -triple i386-unknown-unknown -emit-llvm %s -o %t &&
+// RUN: grep "load i8\*\*\* %p.addr"  %t | count 1
+
+// PR3800
+void f(void **p)
+{
+    __asm__ volatile("" :"+m"(*p));
+}