[cfe-commits] r116469 - /cfe/trunk/lib/Sema/SemaType.cpp
John McCall
rjmccall at apple.com
Wed Oct 13 18:57:10 PDT 2010
Author: rjmccall
Date: Wed Oct 13 20:57:10 2010
New Revision: 116469
URL: http://llvm.org/viewvc/llvm-project?rev=116469&view=rev
Log:
Perform range restrictions on regparm when applied to a type and
not a decl.
Modified:
cfe/trunk/lib/Sema/SemaType.cpp
Modified: cfe/trunk/lib/Sema/SemaType.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaType.cpp?rev=116469&r1=116468&r2=116469&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaType.cpp (original)
+++ cfe/trunk/lib/Sema/SemaType.cpp Wed Oct 13 20:57:10 2010
@@ -1898,6 +1898,20 @@
!NumParamsExpr->isIntegerConstantExpr(NumParams, S.Context))
return false;
+ if (S.Context.Target.getRegParmMax() == 0) {
+ S.Diag(Attr.getLoc(), diag::err_attribute_regparm_wrong_platform)
+ << NumParamsExpr->getSourceRange();
+ Attr.setInvalid();
+ return;
+ }
+
+ if (NumParams.getLimitedValue(255) > S.Context.Target.getRegParmMax()) {
+ S.Diag(Attr.getLoc(), diag::err_attribute_regparm_invalid_number)
+ << S.Context.Target.getRegParmMax() << NumParamsExpr->getSourceRange();
+ Attr.setInvalid();
+ return;
+ }
+
Type = S.Context.getRegParmType(Type, NumParams.getZExtValue());
return false;
}
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