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clang 3.8 does not seem to have EvaluateAsFloat

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Change-Id: I0d846a2e9bc6db192cbf8f5dbce104c11ff409b4
This commit is contained in:
Noel Grandin
2016-07-25 09:44:06 +02:00
parent 62462664be
commit 69dbf6f086
1 changed files with 6 additions and 0 deletions
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6
compilerplugins/clang/overrideparam.cxx
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@@ -160,12 +160,14 @@ bool OverrideParam::hasSameDefaultParams(const ParmVarDecl * parmVarDecl, const
{
return x1 == x2;
}
#if CLANG_VERSION >= 30900
APFloat f1(0.0f), f2(0.0f);
if (defaultArgExpr->EvaluateAsFloat(f1, compiler.getASTContext())
&& superDefaultArgExpr->EvaluateAsFloat(f2, compiler.getASTContext()))
{
return f1.bitwiseIsEqual(f2);
}
#endif
// catch params with defaults like "= OUString()"
if (isa<MaterializeTemporaryExpr>(defaultArgExpr)
&& isa<MaterializeTemporaryExpr>(superDefaultArgExpr))
@@ -177,7 +179,11 @@ bool OverrideParam::hasSameDefaultParams(const ParmVarDecl * parmVarDecl, const
{
return true;
}
#if CLANG_VERSION >= 30900
return false;
#else
return true; // clang3-8 doesn't have EvaluateAsFloat, so we can't be as precise
#endif
}