vm/bit_vector.h - Issue 10539108: First step to SSA construction: Phi insertion.

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Unified Diff: vm/bit_vector.h

Issue 10539108: First step to SSA construction: Phi insertion. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/runtime/

Patch Set: addressed comments, fixed bug in BitVector::Contains Created 8 years, 6 months ago

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Index: vm/bit_vector.h

===================================================================

--- vm/bit_vector.h (revision 8546)

+++ vm/bit_vector.h (working copy)

@@ -63,6 +63,12 @@

data_[i / kBitsPerWord] |= (static_cast<uword>(1) << (i % kBitsPerWord));

}

+ bool Contains(int i) const {

+ ASSERT(i >= 0 && i < length());

+ uword block = data_[i / kBitsPerWord];

+ return (block & (static_cast<uword>(1) << (i % kBitsPerWord))) != 0;

+ }

void Clear() {

for (intptr_t i = 0; i < data_length_; i++) {

data_[i] = 0;

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