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Integers are now properly printed.

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This commit is contained in:
Samuel Hammersberg 2023-01-23 15:55:48 +01:00
parent 2c17695d3a
commit 157ff56301
1 changed files with 42 additions and 1 deletions
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43
test/simple_goal.ll
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@ -71,14 +71,55 @@ define [21 x i8] @i64ToString(i64 %val_org) {
%noop = add i32 0, 0
; load the result and return it
call void @reverseI64String([21 x i8]* %string_ptr)
%res = load [21 x i8],[21 x i8]* %string_ptr
ret [21 x i8] %res
}
define void @reverseI64String(i8* %string, i64 %len) {
%new_string = alloca [21 x i8]
store [21 x i8] c"\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", ptr %new_string
%reverse_index = alloca i32*
store i32 20, i32* %reverse_index
%new_index = alloca i32
store i32 0, i32* %new_index
br label %while_start
while_start:
%reverse_index.0 = load i32, i32* %reverse_index
%reverse_ptr = getelementptr [21 x i8], [21 x i8]* %string, i32 0, i32 %reverse_index.0
%reverse_index.1 = sub i32 %reverse_index.0, 1
store i32 %reverse_index.1, ptr %reverse_index
%new_index.0 = load i32, i32* %new_index
%new_ptr = getelementptr [21 x i8], [21 x i8]* %new_string, i32 0, i32 %new_index.0
%break_condition = icmp slt i32 %reverse_index.0, 0
br i1 %break_condition, label %break, label %ok
ok:
%value = load i8, i8* %reverse_ptr
%condition = icmp eq i8 %value, 0
br i1 %condition, label %while_start, label %not_zero
not_zero:
store i8 %value, ptr %new_ptr
%new_index.1 = add i32 %new_index.0, 1
store i32 %new_index.1, ptr %new_index
br label %while_start
break:
%copy = load [21 x i8], [21 x i8]* %new_string
store [21 x i8] %copy, i8* %string
; start iterating over the original string in reverse
; if i == '\00' ignore
; else put value into new_string at new i, then new i + 1
ret void
}
; Definition of main function
define i32 @main() { ; i32()*
; %val = add i64 -123456789, 0
%val = add i64 -1234, 0
%val = add i64 -133769420, 0
%print_res = call [21 x i8] @i64ToString(i64 %val)
%ptr = alloca [21 x i8]