// #target: macos-x64 module foo; extern fn void printf(char*, ...); fn void main() { int[3] x; int[3]* y = &x; int* z = y; int[] sub = y; int[3] 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], z[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 [3 x 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 %ptroffset = getelementptr inbounds [3 x i32], [3 x i32]* %8, i64 1 %9 = bitcast [3 x i32]* %y1 to i8* %10 = bitcast [3 x i32]* %ptroffset to i8* call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %9, i8* align 4 %10, i32 12, i1 false) %11 = load i32*, i32** %z, align 8 %ptroffset1 = getelementptr inbounds i32, i32* %11, i64 1 %12 = load i32, i32* %ptroffset1, align 4 store i32 %12, i32* %z1, align 4 %ptrptr2 = bitcast [3 x i32]* %x to i32* %ptroffset3 = getelementptr i32, i32* %ptrptr2, i64 1 store i32* %ptroffset3, i32** %xx, align 8 %13 = load i32*, i32** %xx, align 8 %ptrptr4 = bitcast i32* %13 to [3 x i32]* store [3 x i32]* %ptrptr4, [3 x i32]** %yy, align 8 %14 = load [3 x i32]*, [3 x i32]** %yy, align 8 %ptrptr5 = bitcast [3 x i32]* %14 to i32* %ptroffset6 = getelementptr i32, i32* %ptrptr5, i64 -1 store i32* %ptroffset6, 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 i32*, i32** %z, align 8 %ptroffset7 = getelementptr inbounds i32, i32* %24, i64 1 %25 = load i32, i32* %ptroffset7, align 4 call void (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i32 0, i32 0), i32 %23, i32 %25) ret void }