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4 Commits

Author SHA1 Message Date
Alex Lorenz
1b3d959d3c ADTTests: merge #ifdef checks from r240436.
This commit merges the #ifdef and #ifndef checks into one #if, as
suggested by Duncan P. N. Exon Smith.

llvm-svn: 240553
2015-06-24 17:05:04 +00:00
Alex Lorenz
80dea2fad8 ADT: Add a string APSInt constructor.
This commit moves the APSInt initialization code that's used by
the LLLexer class into a new APSInt constructor that constructs
APSInts from strings.

This change is useful for MIR Serialization, as it would allow
the MILexer class to use the same APSInt initialization as 
LLexer when parsing immediate machine operands.

llvm-svn: 240436
2015-06-23 18:22:10 +00:00
Duncan P. N. Exon Smith
7f33c007a0 ADT: Add int64_t interoperability to APSInt
Add some API to `APSInt` to make it easier to compare with `int64_t`.

  - `APSInt::compareValues(APSInt, APSInt)` returns 1, -1 or 0 for
    greater, lesser, or equal, doing the right thing for mismatched
    "has-sign" and bitwidths.  This is just like `isSameValue()` (and is
    now the implementation of it).
  - `APSInt::get(int64_t)` gets a signed `APSInt`.
  - `operator<(int64_t)`, etc., are implemented trivially via `get()`
    and `compareValues()`.
  - Also added `APSInt::getUnsigned(uint64_t)` to make it easier to test
    `compareValues()`.

llvm-svn: 228239
2015-02-05 00:17:43 +00:00
Benjamin Kramer
e3d4c30feb Give APInt move semantics.
The interaction between defaulted operators and move elision isn't
totally obvious, add a unit test so it doesn't break unintentionally.

llvm-svn: 202662
2014-03-02 20:56:28 +00:00