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authorStephen Hines <srhines@google.com>2015-04-01 18:49:24 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-04-01 18:49:26 +0000
commit3fa16bd6062e23bcdb82ed4dd965674792e6b761 (patch)
tree9348fc507292f7e8715d22d64ce5a32131b4f875 /include/llvm/ADT/SparseBitVector.h
parentbeed47390a60f6f0c77532b3d3f76bb47ef49423 (diff)
parentebe69fe11e48d322045d5949c83283927a0d790b (diff)
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Merge "Update aosp/master LLVM for rebase to r230699."
Diffstat (limited to 'include/llvm/ADT/SparseBitVector.h')
-rw-r--r--include/llvm/ADT/SparseBitVector.h34
1 files changed, 7 insertions, 27 deletions
diff --git a/include/llvm/ADT/SparseBitVector.h b/include/llvm/ADT/SparseBitVector.h
index d5bde29..20cbe2c 100644
--- a/include/llvm/ADT/SparseBitVector.h
+++ b/include/llvm/ADT/SparseBitVector.h
@@ -124,25 +124,15 @@ public:
size_type count() const {
unsigned NumBits = 0;
for (unsigned i = 0; i < BITWORDS_PER_ELEMENT; ++i)
- if (sizeof(BitWord) == 4)
- NumBits += CountPopulation_32(Bits[i]);
- else if (sizeof(BitWord) == 8)
- NumBits += CountPopulation_64(Bits[i]);
- else
- llvm_unreachable("Unsupported!");
+ NumBits += countPopulation(Bits[i]);
return NumBits;
}
/// find_first - Returns the index of the first set bit.
int find_first() const {
for (unsigned i = 0; i < BITWORDS_PER_ELEMENT; ++i)
- if (Bits[i] != 0) {
- if (sizeof(BitWord) == 4)
- return i * BITWORD_SIZE + countTrailingZeros(Bits[i]);
- if (sizeof(BitWord) == 8)
- return i * BITWORD_SIZE + countTrailingZeros(Bits[i]);
- llvm_unreachable("Unsupported!");
- }
+ if (Bits[i] != 0)
+ return i * BITWORD_SIZE + countTrailingZeros(Bits[i]);
llvm_unreachable("Illegal empty element");
}
@@ -161,23 +151,13 @@ public:
// Mask off previous bits.
Copy &= ~0UL << BitPos;
- if (Copy != 0) {
- if (sizeof(BitWord) == 4)
- return WordPos * BITWORD_SIZE + countTrailingZeros(Copy);
- if (sizeof(BitWord) == 8)
- return WordPos * BITWORD_SIZE + countTrailingZeros(Copy);
- llvm_unreachable("Unsupported!");
- }
+ if (Copy != 0)
+ return WordPos * BITWORD_SIZE + countTrailingZeros(Copy);
// Check subsequent words.
for (unsigned i = WordPos+1; i < BITWORDS_PER_ELEMENT; ++i)
- if (Bits[i] != 0) {
- if (sizeof(BitWord) == 4)
- return i * BITWORD_SIZE + countTrailingZeros(Bits[i]);
- if (sizeof(BitWord) == 8)
- return i * BITWORD_SIZE + countTrailingZeros(Bits[i]);
- llvm_unreachable("Unsupported!");
- }
+ if (Bits[i] != 0)
+ return i * BITWORD_SIZE + countTrailingZeros(Bits[i]);
return -1;
}