CodeGen: Let arrays be inputs to inline asm

An array showing up in an inline assembly input is accepted in ICC and
GCC 4.8

This fixes PR20201.

Differential Revision: http://reviews.llvm.org/D4382

llvm-svn: 212954

1 files changed, 6 insertions, 5 deletions

diff --git a/clang/lib/Sema/SemaStmtAsm.cpp b/clang/lib/Sema/SemaStmtAsm.cpp
index fdab947a477..5d076cac940 100644
--- a/clang/lib/Sema/SemaStmtAsm.cpp
+++ b/clang/lib/Sema/SemaStmtAsm.cpp
@@ -152,6 +152,12 @@ StmtResult Sema::ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple,
                               diag::err_asm_invalid_lvalue_in_input)
                          << Info.getConstraintStr()
                          << InputExpr->getSourceRange());
+    } else {
+      ExprResult Result = DefaultFunctionArrayLvalueConversion(Exprs[i]);
+      if (Result.isInvalid())
+        return StmtError();
+
+      Exprs[i] = Result.get();
     }
 
     if (Info.allowsRegister()) {
@@ -163,11 +169,6 @@ StmtResult Sema::ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple,
       }
     }
 
-    ExprResult Result = DefaultFunctionArrayLvalueConversion(Exprs[i]);
-    if (Result.isInvalid())
-      return StmtError();
-
-    Exprs[i] = Result.get();
     InputConstraintInfos.push_back(Info);
 
     const Type *Ty = Exprs[i]->getType().getTypePtr();