mirror of
https://github.com/c3lang/c3c.git
synced 2026-02-27 12:01:16 +00:00
105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
// #target: macos-x64
|
|
|
|
module foo;
|
|
|
|
bitstruct BitFieldCross : uint
|
|
{
|
|
uint d : 0..4;
|
|
int a : 5..22;
|
|
uint c : 23..31;
|
|
}
|
|
|
|
bitstruct BitFieldCrossU : int
|
|
{
|
|
uint d : 0..4;
|
|
uint a : 5..22;
|
|
uint c : 23..31;
|
|
}
|
|
|
|
bitstruct BitFieldCrossUL : long
|
|
{
|
|
uint d : 0..4;
|
|
uint a : 5..22;
|
|
uint c : 23..40;
|
|
uint e : 41..61;
|
|
}
|
|
|
|
bitstruct BitFieldCrossULBE : long @bigendian
|
|
{
|
|
uint d : 0..4;
|
|
uint a : 5..22;
|
|
uint c : 23..40;
|
|
uint e : 41..61;
|
|
}
|
|
extern fn void printf(char*, ...);
|
|
|
|
fn void main()
|
|
{
|
|
BitFieldCross xx = { 0, -15, 0 };
|
|
printf("%d\n", xx.a);
|
|
xx = { 0x1f, -15, 0x7f };
|
|
printf("%d\n", xx.a);
|
|
BitFieldCrossU xxu = { 0x1f, 0x25678, 0x1ff };
|
|
printf("%x\n", xxu.a);
|
|
BitFieldCrossUL xxy = { 0x1f, 0x25678, 0xeffe, 0xa9597 };
|
|
printf("%x, %x, %x\n", xxy.a, xxy.c, xxy.e);
|
|
BitFieldCrossULBE xxybe = { 0x1f, 0x25678, 0xeffe, 0xa9597 };
|
|
printf("%x, %x, %x\n", xxybe.a, xxybe.c, xxybe.e);
|
|
}
|
|
|
|
|
|
/* #expect: foo.ll
|
|
|
|
entry:
|
|
%xx = alloca i32, align 4
|
|
%xxu = alloca i32, align 4
|
|
%xxy = alloca i64, align 8
|
|
%xxybe = alloca i64, align 8
|
|
store i32 8388128, i32* %xx, align 4
|
|
%0 = load i32, i32* %xx, align 4
|
|
%1 = shl i32 %0, 9
|
|
%2 = ashr i32 %1, 14
|
|
call void (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %2)
|
|
store i32 1073741375, i32* %xx, align 4
|
|
%3 = load i32, i32* %xx, align 4
|
|
%4 = shl i32 %3, 9
|
|
%5 = ashr i32 %4, 14
|
|
call void (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i32 0, i32 0), i32 %5)
|
|
store i32 -3485921, i32* %xxu, align 4
|
|
%6 = load i32, i32* %xxu, align 4
|
|
%7 = lshr i32 %6, 5
|
|
%8 = and i32 262143, %7
|
|
call void (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i32 0, i32 0), i32 %8)
|
|
store i64 1525363991714123551, i64* %xxy, align 8
|
|
%9 = load i64, i64* %xxy, align 8
|
|
%10 = lshr i64 %9, 5
|
|
%11 = and i64 262143, %10
|
|
%12 = trunc i64 %11 to i32
|
|
%13 = load i64, i64* %xxy, align 8
|
|
%14 = lshr i64 %13, 23
|
|
%15 = and i64 262143, %14
|
|
%16 = trunc i64 %15 to i32
|
|
%17 = load i64, i64* %xxy, align 8
|
|
%18 = lshr i64 %17, 41
|
|
%19 = and i64 2097151, %18
|
|
%20 = trunc i64 %19 to i32
|
|
call void (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.3, i32 0, i32 0), i32 %12, i32 %16, i32 %20)
|
|
store i64 2292133196431502101, i64* %xxybe, align 8
|
|
%21 = load i64, i64* %xxybe, align 8
|
|
%22 = call i64 @llvm.bswap.i64(i64 %21)
|
|
%23 = lshr i64 %22, 5
|
|
%24 = and i64 262143, %23
|
|
%25 = trunc i64 %24 to i32
|
|
%26 = load i64, i64* %xxybe, align 8
|
|
%27 = call i64 @llvm.bswap.i64(i64 %26)
|
|
%28 = lshr i64 %27, 23
|
|
%29 = and i64 262143, %28
|
|
%30 = trunc i64 %29 to i32
|
|
%31 = load i64, i64* %xxybe, align 8
|
|
%32 = call i64 @llvm.bswap.i64(i64 %31)
|
|
%33 = lshr i64 %32, 41
|
|
%34 = and i64 2097151, %33
|
|
%35 = trunc i64 %34 to i32
|
|
call void (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i32 0, i32 0), i32 %25, i32 %30, i32 %35)
|
|
ret void
|
|
}
|