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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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66
hw6/llprograms/sp24_hw3/vishnuv_shantz_kadane.ll Normal file
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; To try out different cases, add them below as global and replace the values in the getelementptr in @main with the new globals.
@input_array1 = global [8 x i64] [i64 -2, i64 -3, i64 4, i64 -1, i64 -2, i64 1, i64 5, i64 -3]
@size1 = global i64 8
@input_array2 = global [5 x i64] [i64 1, i64 2, i64 3, i64 -2, i64 5]
@size2 = global i64 5
@input_array3 = global [9 x i64] [i64 -2, i64 1, i64 -3, i64 4, i64 -1, i64 2, i64 1, i64 -5, i64 4]
@size3 = global i64 9
define i64 @max_of_two(i64 %num1, i64 %num2) {
entry:
%cmp = icmp sgt i64 %num1, %num2
br i1 %cmp, label %return_num1, label %return_num2
return_num1:
ret i64 %num1
return_num2:
ret i64 %num2
}
define i64 @kadane(i64* %array, i64 %length) {
%max_so_far = alloca i64
%max_ending_here = alloca i64
store i64 -2147483648, i64* %max_so_far
store i64 0, i64* %max_ending_here
%i = alloca i64
store i64 0, i64* %i
br label %loop
loop:
%i_val = load i64, i64* %i
%cond = icmp slt i64 %i_val, %length
br i1 %cond, label %body, label %end
body:
%current = getelementptr i64, i64* %array, i64 %i_val
%current_val = load i64, i64* %current
%max_ending_here_val = load i64, i64* %max_ending_here
%new_max_ending_here = add i64 %max_ending_here_val, %current_val
%max_ending_here_next = call i64 @max_of_two(i64 %new_max_ending_here, i64 0)
store i64 %max_ending_here_next, i64* %max_ending_here
%max_so_far_val = load i64, i64* %max_so_far
%max_so_far_next = call i64 @max_of_two(i64 %max_ending_here_next, i64 %max_so_far_val)
store i64 %max_so_far_next, i64* %max_so_far
%i_next = add i64 %i_val, 1
store i64 %i_next, i64* %i
br label %loop
end:
%result = load i64, i64* %max_so_far
ret i64 %result
}
define i64 @main(i64 %argc, i8** %argv) {
; CHANGE THE VALUES IN THE NEXT TWO LINES FOR NEW TEST CASES
; Remember to change the sizes of the input array in the first gep too
%array_ptr = getelementptr [9 x i64], [9 x i64]* @input_array3, i64 0, i64 0
%size_ptr = getelementptr i64, i64* @size3, i64 0
%size_val = load i64, i64* %size_ptr
%main_result = call i64 @kadane(i64* %array_ptr, i64 %size_val)
ret i64 %main_result
}