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Change hw6 to an unsolved version.

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Signed-off-by: jmug <u.g.a.mariano@gmail.com>
This commit is contained in:
Mariano Uvalle 2025-01-24 23:10:01 -08:00
parent 0c04936ccf
commit ee01a8f5b2
186 changed files with 9605 additions and 4019 deletions
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55
hw6/llprograms/sp24_hw3/find_power_of_two.ll Normal file
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%consList = type { i64, %consList* }
@nonPowerOfTwoElem = global %consList { i64 9, %consList* null }
@powerOfTwoElem = global %consList { i64 64, %consList* @nonPowerOfTwoElem }
@head = global %consList { i64 31, %consList* @powerOfTwoElem }
define i64 @numOneBits(i64 %n) {
%isZero = icmp eq i64 %n, 0
br i1 %isZero, label %retZero, label %rec
retZero:
ret i64 0
rec:
%shifted = lshr i64 %n, 1
%recResult = call i64 @numOneBits(i64 %shifted)
%lsb = and i64 %n, 1
%result = add i64 %recResult, %lsb
ret i64 %result
}
define i1 @isPowerOfTwo(i64 %n) {
%isNotPositive = icmp sle i64 %n, 0
br i1 %isNotPositive, label %retFalse, label %continue
retFalse:
ret i1 0
continue:
%numOnes = call i64 @numOneBits(i64 %n)
%hasSingleOneBit = icmp eq i64 %numOnes, 1
br i1 %hasSingleOneBit, label %retTrue, label %retFalse
retTrue:
ret i1 1
}
define i64 @findFirstPowerOfTwo(%consList* %l) {
%isNull = icmp eq %consList* %l, null
br i1 %isNull, label %retFalse, label %continue
retFalse:
ret i64 0
continue:
%currNumPtr = getelementptr %consList, %consList* %l, i32 0, i32 0
%currNum = load i64, i64* %currNumPtr
%isPowTwo = call i1 @isPowerOfTwo(i64 %currNum)
br i1 %isPowTwo, label %retTrue, label %rec
retTrue:
ret i64 %currNum
rec:
%nextPtr = getelementptr %consList, %consList* %l, i32 0, i32 1
%next = load %consList*, %consList** %nextPtr
%recResult = call i64 @findFirstPowerOfTwo(%consList* %next)
ret i64 %recResult
}
define i64 @main(i64 %argc, i8** %arcv) {
%powTwoValue = call i64 @findFirstPowerOfTwo(%consList* @head)
ret i64 %powTwoValue
}