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APInt: Simplify code. No functionality change.

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llvm-svn: 183073
This commit is contained in:
Benjamin Kramer 2013-06-01 11:26:39 +00:00
parent 0116e00b91
commit f7427d954c
1 changed files with 2 additions and 36 deletions
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38
lib/Support/APInt.cpp
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@ -2304,24 +2304,7 @@ namespace {
static unsigned int
partMSB(integerPart value)
{
unsigned int n, msb;
if (value == 0)
return -1U;
n = integerPartWidth / 2;
msb = 0;
do {
if (value >> n) {
value >>= n;
msb += n;
}
n >>= 1;
} while (n);
return msb;
return findLastSet(value, ZB_Max);
}
/* Returns the bit number of the least significant set bit of a
@ -2329,24 +2312,7 @@ namespace {
static unsigned int
partLSB(integerPart value)
{
unsigned int n, lsb;
if (value == 0)
return -1U;
lsb = integerPartWidth - 1;
n = integerPartWidth / 2;
do {
if (value << n) {
value <<= n;
lsb -= n;
}
n >>= 1;
} while (n);
return lsb;
return findFirstSet(value, ZB_Max);
}
}