[cfe-commits] r62666 - in /cfe/trunk: lib/Sema/SemaStmt.cpp test/Sema/asm.c

[Anders Carlsson]

Author: andersca
Date: Wed Jan 21 00:27:20 2009
New Revision: 62666

URL: http://llvm.org/viewvc/llvm-project?rev=62666&view=rev
Log:
Fix an inline asm sema bug that I introduced.

Modified:
    cfe/trunk/lib/Sema/SemaStmt.cpp
    cfe/trunk/test/Sema/asm.c

Modified: cfe/trunk/lib/Sema/SemaStmt.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaStmt.cpp?rev=62666&r1=62665&r2=62666&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaStmt.cpp (original)
+++ cfe/trunk/lib/Sema/SemaStmt.cpp Wed Jan 21 00:27:20 2009
@@ -899,8 +899,8 @@
     ParenExpr *InputExpr = cast<ParenExpr>(Exprs[i]);
 
     // Only allow void types for memory constraints.
-    if (info & TargetInfo::CI_AllowsMemory) {
-
+    if ((info & TargetInfo::CI_AllowsMemory) 
+        && !(info & TargetInfo::CI_AllowsRegister)) {
       if (InputExpr->isLvalue(Context) != Expr::LV_Valid)
         return StmtError(Diag(InputExpr->getSubExpr()->getLocStart(),
                               diag::err_asm_invalid_lvalue_in_input)

Modified: cfe/trunk/test/Sema/asm.c
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/asm.c?rev=62666&r1=62665&r2=62666&view=diff

==============================================================================
--- cfe/trunk/test/Sema/asm.c (original)
+++ cfe/trunk/test/Sema/asm.c Wed Jan 21 00:27:20 2009
@@ -46,5 +46,11 @@
     asm ("nop" : : "r"(test4(addr))); // expected-error {{invalid type 'void' 
in asm input for constraint 'r'}}
     asm ("nop" : : "m"(test4(addr))); // expected-error {{invalid lvalue in 
asm input for constraint 'm'}}
 
-    asm("nop" : : "m"(f())); // expected-error {{invalid lvalue in asm input 
for constraint 'm'}}
+    asm ("nop" : : "m"(f())); // expected-error {{invalid lvalue in asm input 
for constraint 'm'}}
+}
+
+// <rdar://problem/6512595>
+void test5()
+{
+  asm("nop" : : "X" (8)); 
 }


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