ResourceSegments are a collection of intervals closed on the left and opened on the right:
Synopsis
Declared in <llvm/CodeGen/MachineScheduler.h>
class ResourceSegments;Description
list{ [a1, b1), [a2, b2), ..., [a_N, b_N) }]]]
The collection has the following properties:
1. The list is ordered: a_i < b_i and b_i < a_(i+1)
2. The intervals in the collection do not intersect each other.
A ResourceSegments instance represents the cycle reservation history of the instance of and individual resource.
Type Aliases
Name |
Description |
Represents an interval of discrete integer values closed on the left and open on the right: [a, b).] |
Member Functions
Name |
Description |
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Constructors |
Adds an interval [a, b) to the collection of the instance.] |
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Return true if no resource intervals are reserved. |
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Return the first bottom‐up cycle where this resource is free. |
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Return the first top‐down cycle where this resource is free. |
Static Member Functions
Name |
Description |
These function return the interval used by a resource in bottom and top scheduling. |
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Compute the resource interval for top‐down scheduling at cycle |
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Return true if intervals |
Friends
Name |
Description |
Print the reserved intervals of |
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Return true if |
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