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Updated hw6 to a newer 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 21:23:08 -08:00
parent 9224001a22
commit 0c04936ccf
356 changed files with 8408 additions and 4725 deletions
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49
hw6/llprograms/sp22_hw3/binary_palindrome.ll Normal file
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define i64 @reverse(i64 %input_x) {
%rev = alloca i64
store i64 0, i64* %rev
%x = alloca i64
store i64 %input_x, i64 %x
br label %loop
loop:
%x_val_to_comp = load i64, i64* %x
%x_not_zero = icmp ne i64 %x_val_to_comp, 0
br i1 %x_not_zero, label %yes, label %no
yes:
%x_val = load i64, i64* %x
%rev_val = load i64, i64* %rev
%twice_rev = shl i64 %rev_val, 1
%x_val_last_bit = and i64 %x_val, 1
%twice_rev_plus_last_bit = add i64 %twice_rev, %x_val_last_bit
%half_x_val = lshr i64 %x_val, 1
store i64 %half_x_val, i64 %x
store i64 %twice_rev_plus_last_bit, i64 %rev
br label %loop
no:
%ret_val_rev = load i64, i64* %rev
ret i64 %ret_val_rev
}
define i64 @is_binary_palindrome(i64 %input_x) {
%reversed_x = call i64 @reverse(i64 %input_x)
%x_equals_reverse = icmp eq i64 %reversed_x, %input_x
br i1 %x_equals_reverse, label %retyes, label %retno
retyes:
ret i64 1
retno:
ret i64 0
}
define i64 @main(i64 %argc, i8** %argv) {
%res = call i64 @is_binary_palindrome(i64 819)
ret i64 %res
}