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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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38
hw6/llprograms/sp22_hw3/index_match.ll Normal file
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@glist = global [7 x i64] [ i64 -1, i64 1, i64 4, i64 5, i64 6, i64 10, i64 11 ]
define i64 @indexmatch(i64 %lo, i64 %hi, [7 x i64]* %list) {
%cmp1 = icmp eq i64 %lo, %hi
br i1 %cmp1, label %base_case, label %check
base_case:
%a_lo_addr = getelementptr [7 x i64], [7 x i64]* %list, i32 0, i64 %lo
%a_lo = load i64, i64* %a_lo_addr
%cmp2 = icmp eq i64 %lo, %a_lo
br i1 %cmp2, label %true, label %false
true:
ret i64 1
false:
ret i64 0
check:
%m2 = add i64 %lo, %hi
%m = ashr i64 %m2, 1
%a_m_addr = getelementptr [7 x i64], [7 x i64]* %list, i32 0, i64 %m
%a_m = load i64, i64* %a_m_addr
%cmp3 = icmp eq i64 %m, %a_m
br i1 %cmp3, label %true, label %recurse
recurse:
%cmp4 = icmp slt i64 %m, %a_m
br i1 %cmp4, label %recurse_left, label %recurse_right
recurse_left:
%new_hi = sub i64 %m, 1
%left_ans = call i64 @indexmatch(i64 %lo, i64 %new_hi, [7 x i64]* %list)
ret i64 %left_ans
recurse_right:
%new_lo = add i64 %m, 1
%right_ans = call i64 @indexmatch(i64 %new_lo, i64 %hi, [7 x i64]* %list)
ret i64 %right_ans
}
define i64 @main(i64 %argc, i8** %arcv) {
%ans = call i64 @indexmatch(i64 0, i64 6, [7 x i64]* @glist)
ret i64 %ans
}