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Add a default constructor for LiveRange.

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It is useful to be able to create temporary LiveRange object whose
members are filled in later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175639 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2013-02-20 17:46:51 +00:00
parent 49deebb5eb
commit 2319a23979
1 changed files with 2 additions and 1 deletions
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3
include/llvm/CodeGen/LiveInterval.h
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@ -86,9 +86,10 @@ namespace llvm {
SlotIndex end; // End point of the interval (exclusive) SlotIndex end; // End point of the interval (exclusive)
VNInfo *valno; // identifier for the value contained in this interval. VNInfo *valno; // identifier for the value contained in this interval.
LiveRange() : valno(0) {}
LiveRange(SlotIndex S, SlotIndex E, VNInfo *V) LiveRange(SlotIndex S, SlotIndex E, VNInfo *V)
: start(S), end(E), valno(V) { : start(S), end(E), valno(V) {
assert(S < E && "Cannot create empty or backwards range"); assert(S < E && "Cannot create empty or backwards range");
} }