mirror of
https://github.com/c3lang/c3c.git
synced 2026-02-27 20:11:17 +00:00
83 lines
3.1 KiB
C
83 lines
3.1 KiB
C
// #target: x64-darwin
|
|
module foo;
|
|
extern fn void printf(char*, ...);
|
|
|
|
fn void main()
|
|
{
|
|
int[3] x;
|
|
int[3]* y = &x;
|
|
int* z = y;
|
|
int[] sub = y;
|
|
int y1 = y[1];
|
|
int z1 = z[1];
|
|
int* xx = &x + 1;
|
|
int[3]* yy = (int[3]*)(xx);
|
|
int* zz = yy - 1;
|
|
printf("%p = %p = %p, %p = %p\n", y, z, zz, &y[1], xx);
|
|
x[1] = 123;
|
|
printf("%d = %d\n", (&x)[1], y[1]);
|
|
}
|
|
|
|
/* #expect: foo.ll
|
|
|
|
define void @foo.main() #0 {
|
|
entry:
|
|
%x = alloca [3 x i32], align 4
|
|
%y = alloca [3 x i32]*, align 8
|
|
%z = alloca i32*, align 8
|
|
%sub = alloca %"int[]", align 8
|
|
%y1 = alloca i32, align 4
|
|
%z1 = alloca i32, align 4
|
|
%xx = alloca i32*, align 8
|
|
%yy = alloca [3 x i32]*, align 8
|
|
%zz = alloca i32*, align 8
|
|
%0 = getelementptr inbounds [3 x i32], [3 x i32]* %x, i64 0, i64 0
|
|
store i32 0, i32* %0, align 4
|
|
%1 = getelementptr inbounds [3 x i32], [3 x i32]* %x, i64 0, i64 1
|
|
store i32 0, i32* %1, align 4
|
|
%2 = getelementptr inbounds [3 x i32], [3 x i32]* %x, i64 0, i64 2
|
|
store i32 0, i32* %2, align 4
|
|
store [3 x i32]* %x, [3 x i32]** %y, align 8
|
|
%3 = load [3 x i32]*, [3 x i32]** %y, align 8
|
|
%ptrptr = bitcast [3 x i32]* %3 to i32*
|
|
store i32* %ptrptr, i32** %z, align 8
|
|
%4 = load [3 x i32]*, [3 x i32]** %y, align 8
|
|
%5 = bitcast [3 x i32]* %4 to i32*
|
|
%6 = insertvalue %"int[]" undef, i32* %5, 0
|
|
%7 = insertvalue %"int[]" %6, i64 3, 1
|
|
store %"int[]" %7, %"int[]"* %sub, align 8
|
|
%8 = load [3 x i32]*, [3 x i32]** %y, align 8
|
|
%9 = getelementptr inbounds [3 x i32], [3 x i32]* %8, i64 0, i64 1
|
|
%10 = load i32, i32* %9, align 4
|
|
store i32 %10, i32* %y1, align 4
|
|
%11 = load i32*, i32** %z, align 8
|
|
%ptroffset = getelementptr inbounds i32, i32* %11, i64 1
|
|
%12 = load i32, i32* %ptroffset, align 4
|
|
store i32 %12, i32* %z1, align 4
|
|
%ptrptr1 = bitcast [3 x i32]* %x to i32*
|
|
%ptroffset2 = getelementptr i32, i32* %ptrptr1, i64 1
|
|
store i32* %ptroffset2, i32** %xx, align 8
|
|
%13 = load i32*, i32** %xx, align 8
|
|
%ptrptr3 = bitcast i32* %13 to [3 x i32]*
|
|
store [3 x i32]* %ptrptr3, [3 x i32]** %yy, align 8
|
|
%14 = load [3 x i32]*, [3 x i32]** %yy, align 8
|
|
%ptrptr4 = bitcast [3 x i32]* %14 to i32*
|
|
%ptroffset5 = getelementptr i32, i32* %ptrptr4, i64 -1
|
|
store i32* %ptroffset5, i32** %zz, align 8
|
|
%15 = load [3 x i32]*, [3 x i32]** %y, align 8
|
|
%16 = load i32*, i32** %z, align 8
|
|
%17 = load i32*, i32** %zz, align 8
|
|
%18 = load [3 x i32]*, [3 x i32]** %y, align 8
|
|
%19 = getelementptr inbounds [3 x i32], [3 x i32]* %18, i64 0, i64 1
|
|
%20 = load i32*, i32** %xx, align 8
|
|
call void (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0), [3 x i32]* %15, i32* %16, i32* %17, i32* %19, i32* %20)
|
|
%21 = getelementptr inbounds [3 x i32], [3 x i32]* %x, i64 0, i64 1
|
|
store i32 123, i32* %21, align 4
|
|
%22 = getelementptr inbounds [3 x i32], [3 x i32]* %x, i64 0, i64 1
|
|
%23 = load i32, i32* %22, align 4
|
|
%24 = load [3 x i32]*, [3 x i32]** %y, align 8
|
|
%25 = getelementptr inbounds [3 x i32], [3 x i32]* %24, i64 0, i64 1
|
|
%26 = load i32, i32* %25, align 4
|
|
call void (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i32 0, i32 0), i32 %23, i32 %26)
|
|
ret void
|
|
}
|