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IR: Add MDExpression::ExprOperand

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Port `DIExpression::Operand` over to `MDExpression::ExprOperand`.  The
logic is needed directly in `MDExpression` to support printing in
assembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229002 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-02-13 01:07:46 +00:00
parent 191690dc8c
commit 7473485c0f
4 changed files with 148 additions and 0 deletions
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36
unittests/IR/MetadataTest.cpp
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@@ -1407,6 +1407,42 @@ TEST_F(MDExpressionTest, get) {
EXPECT_EQ(0u, N->getElement(4));
}
TEST_F(MDExpressionTest, isValid) {
#define EXPECT_VALID(...) \
do { \
uint64_t Elements[] = {__VA_ARGS__}; \
EXPECT_TRUE(MDExpression::get(Context, Elements)->isValid()); \
} while (false)
#define EXPECT_INVALID(...) \
do { \
uint64_t Elements[] = {__VA_ARGS__}; \
EXPECT_FALSE(MDExpression::get(Context, Elements)->isValid()); \
} while (false)
// Empty expression should be valid.
EXPECT_TRUE(MDExpression::get(Context, None));
// Valid constructions.
EXPECT_VALID(dwarf::DW_OP_plus, 6);
EXPECT_VALID(dwarf::DW_OP_deref);
EXPECT_VALID(dwarf::DW_OP_bit_piece, 3, 7);
EXPECT_VALID(dwarf::DW_OP_plus, 6, dwarf::DW_OP_deref);
EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_plus, 6);
EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_bit_piece, 3, 7);
EXPECT_VALID(dwarf::DW_OP_deref, dwarf::DW_OP_plus, 6, dwarf::DW_OP_bit_piece, 3, 7);
// Invalid constructions.
EXPECT_INVALID(~0u);
EXPECT_INVALID(dwarf::DW_OP_plus);
EXPECT_INVALID(dwarf::DW_OP_bit_piece);
EXPECT_INVALID(dwarf::DW_OP_bit_piece, 3);
EXPECT_INVALID(dwarf::DW_OP_bit_piece, 3, 7, dwarf::DW_OP_plus, 3);
EXPECT_INVALID(dwarf::DW_OP_bit_piece, 3, 7, dwarf::DW_OP_deref);
#undef EXPECT_VALID
#undef EXPECT_INVALID
}
typedef MetadataTest MDObjCPropertyTest;
TEST_F(MDObjCPropertyTest, get) {