[PATCH] Allow AsmLabel with -fno-gnu-inline-asm

Steven Wu stevenwu at apple.com
Mon May 11 14:17:48 PDT 2015


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D9679

Files:
  cfe/trunk/lib/Parse/Parser.cpp
  cfe/trunk/test/Parser/no-gnu-inline-asm.c

Index: cfe/trunk/test/Parser/no-gnu-inline-asm.c
===================================================================
--- cfe/trunk/test/Parser/no-gnu-inline-asm.c
+++ cfe/trunk/test/Parser/no-gnu-inline-asm.c
@@ -1,6 +1,10 @@
 // RUN: %clang_cc1 %s -triple i686-apple-darwin -verify -fsyntax-only -fno-gnu-inline-asm
 
 asm ("INST r1, 0"); // expected-error {{GNU-style inline assembly is disabled}}
+
+void foo() __asm("__foo_func"); // AsmLabel is OK
+int foo1 asm("bar1") = 0; // OK
+
 void f (void) {
   long long foo = 0, bar;
   asm volatile("INST %0, %1" : "=r"(foo) : "r"(bar)); // expected-error {{GNU-style inline assembly is disabled}}
Index: cfe/trunk/lib/Parse/Parser.cpp
===================================================================
--- cfe/trunk/lib/Parse/Parser.cpp
+++ cfe/trunk/lib/Parse/Parser.cpp
@@ -669,6 +669,11 @@
 
     SourceLocation StartLoc = Tok.getLocation();
     SourceLocation EndLoc;
+
+    // Check if GNU-style InlineAsm is disabled.
+    if (!getLangOpts().GNUAsm)
+      Diag(StartLoc, diag::err_gnu_inline_asm_disabled);
+
     ExprResult Result(ParseSimpleAsm(&EndLoc));
 
     ExpectAndConsume(tok::semi, diag::err_expected_after,
@@ -1253,10 +1258,6 @@
   assert(Tok.is(tok::kw_asm) && "Not an asm!");
   SourceLocation Loc = ConsumeToken();
 
-  // Check if GNU-style InlineAsm is disabled.
-  if (!getLangOpts().GNUAsm)
-    Diag(Loc, diag::err_gnu_inline_asm_disabled);
-
   if (Tok.is(tok::kw_volatile)) {
     // Remove from the end of 'asm' to the end of 'volatile'.
     SourceRange RemovalRange(PP.getLocForEndOfToken(Loc),

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