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Bitstruct implementation.

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This commit is contained in:
Christoffer Lerno
2021-11-01 23:48:34 +01:00
committed by Christoffer Lerno
parent 29e7af843a
commit 4f09b0c351
27 changed files with 2686 additions and 60 deletions
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71
test/test_suite/bitstruct/array_with_boolean.c3t Normal file
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// #target: x64-darwin
module foo;
bitstruct BitField : char[3]
{
int a : 0..2;
int b : 3..8;
int c : 9..18;
bool d : 19;
bool e : 20;
}
extern fn void printf(char*, ...);
fn void main()
{
BitField xx = { 2, 3, 15, true, false };
BitField xy = { 2, 3, 15, false, true };
printf("%x, %x, %x, %d, %d\n", xx.a, xx.b, xx.c, xx.d, xx.e);
}
/* #expect: foo.ll
define void @main() #0 {
entry:
%xx = alloca [3 x i8], align 1
%xy = alloca [3 x i8], align 1
store [3 x i8] c"\1A\1E\08", [3 x i8]* %xx, align 1
store [3 x i8] c"\1A\1E\10", [3 x i8]* %xy, align 1
%0 = getelementptr inbounds [3 x i8], [3 x i8]* %xx, i64 0, i64 0
%1 = load i8, i8* %0, align 1
%2 = zext i8 %1 to i32
%3 = shl i32 %2, 29
%4 = ashr i32 %3, 29
%5 = getelementptr inbounds [3 x i8], [3 x i8]* %xx, i64 0, i64 0
%6 = load i8, i8* %5, align 1
%7 = zext i8 %6 to i32
%8 = lshr i32 %7, 3
%9 = getelementptr inbounds [3 x i8], [3 x i8]* %xx, i64 0, i64 1
%10 = load i8, i8* %9, align 1
%11 = zext i8 %10 to i32
%12 = shl i32 %11, 5
%13 = or i32 %12, %8
%14 = shl i32 %13, 26
%15 = ashr i32 %14, 26
%16 = getelementptr inbounds [3 x i8], [3 x i8]* %xx, i64 0, i64 1
%17 = load i8, i8* %16, align 1
%18 = zext i8 %17 to i32
%19 = lshr i32 %18, 1
%20 = getelementptr inbounds [3 x i8], [3 x i8]* %xx, i64 0, i64 2
%21 = load i8, i8* %20, align 1
%22 = zext i8 %21 to i32
%23 = shl i32 %22, 7
%24 = or i32 %23, %19
%25 = shl i32 %24, 22
%26 = ashr i32 %25, 22
%27 = getelementptr inbounds [3 x i8], [3 x i8]* %xx, i64 0, i64 2
%28 = load i8, i8* %27, align 1
%29 = lshr i8 %28, 3
%30 = trunc i8 %29 to i1
%boolsi = zext i1 %30 to i32
%31 = getelementptr inbounds [3 x i8], [3 x i8]* %xx, i64 0, i64 2
%32 = load i8, i8* %31, align 1
%33 = lshr i8 %32, 4
%34 = trunc i8 %33 to i1
%boolsi1 = zext i1 %34 to i32
call void (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i32 0, i32 0), i32 %4, i32 %15, i32 %26, i32 %boolsi, i32 %boolsi1)
ret void
}