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This patch includes the necessary code for converting between a fixed point type and integer.
This also includes constant expression evaluation for conversions with these types.
Differential Revision: https://reviews.llvm.org/D56900
llvm-svn: 355462
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This patch includes logic for constant expression evaluation of fixed point additions.
Differential Revision: https://reviews.llvm.org/D55868
llvm-svn: 351593
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This patch covers addition between fixed point types and other fixed point
types or integers, using the conversion rules described in 4.1.4 of N1169.
Usual arithmetic rules do not apply to binary operations when one of the
operands is a fixed point type, and the result of the operation must be
calculated with the full precision of the operands, so we should not perform
any casting to a common type.
This patch does not include constant expression evaluation for addition of
fixed point types. That will be addressed in another patch since I think this
one is already big enough.
Differential Revision: https://reviews.llvm.org/D53738
llvm-svn: 351364
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Summary:
- Added names for some emitted values (such as "tobool" for
the result of a cast to boolean).
- Replaced explicit IRBuilder request for doing sext/zext/trunc
by using CreateIntCast instead.
- Simplify code for emitting satuation into one if-statement
for clamping to max, and one if-statement for clamping to min.
Reviewers: leonardchan, ebevhan
Reviewed By: leonardchan
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D53707
llvm-svn: 345398
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This patch is a part of https://reviews.llvm.org/D48456 in an attempt to
split them up. This contains the code for casting between fixed point types
and other fixed point types.
The method for converting between fixed point types is based off the convert()
method in APFixedPoint.
Differential Revision: https://reviews.llvm.org/D50616
llvm-svn: 344530
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