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Revert "[clang][Interp] Handle enums"

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This reverts commit c090295916.

One of the test cases fails. Revert this until I know a way to make it
work reliably.
This commit is contained in:
Timm Bäder
2022-09-29 13:40:57 +02:00
parent 4dcf7b5c89
commit f444a7cc16
2 changed files with 0 additions and 62 deletions
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5
clang/lib/AST/Interp/ByteCodeExprGen.cpp
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@@ -861,11 +861,6 @@ bool ByteCodeExprGen<Emitter>::VisitDeclRefExpr(const DeclRefExpr *E) {
FoundDecl = true;
}
} else if (const auto *ECD = dyn_cast<EnumConstantDecl>(Decl)) {
PrimType T = *classify(ECD->getType());
return this->emitConst(T, getIntWidth(ECD->getType()), ECD->getInitVal(),
E);
}
// References are implemented using pointers, so when we get here,

57
clang/test/AST/Interp/enums.cpp
View File

@@ -1,57 +0,0 @@
// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -verify %s
// RUN: %clang_cc1 -verify=ref %s
enum class EC : short {
A, B, C
};
static_assert(static_cast<int>(EC::A) == 0, "");
static_assert(static_cast<int>(EC::B) == 1, "");
static_assert(static_cast<int>(EC::C) == 2, "");
static_assert(sizeof(EC) == sizeof(short), "");
constexpr EC ec = EC::C;
static_assert(static_cast<int>(ec) == 2, "");
constexpr int N = 12;
constexpr int M = 2;
enum CE {
ONE = -1,
TWO = 2,
THREE,
FOUR = 4,
FIVE = N + M,
SIX = FIVE + 2,
MAX = __INT_MAX__ * 2U + 1U
};
static_assert(ONE == -1, "");
static_assert(THREE == 3, "");
static_assert(FIVE == 14, "");
static_assert(SIX == 16, "");
constexpr EC testEnums() {
EC e = EC::C;
e = EC::B;
EC::B = e; // expected-error{{expression is not assignable}} \
// ref-error{{expression is not assignable}}
return e;
}
constexpr EC getB() {
EC e = EC::C;
e = EC::B;
return e;
}
static_assert(getB() == EC::B, "");
enum E { // expected-warning{{enumeration values exceed range of largest integer}} \
// ref-warning{{enumeration values exceed range of largest integer}}
E1 = -__LONG_MAX__ -1L,
E2 = __LONG_MAX__ *2UL+1UL
};