mirror of
https://github.com/c3lang/c3c.git
synced 2026-02-27 12:01:16 +00:00
71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
// #target: macos-x64
|
|
|
|
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 @foo.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", ptr %xx, align 1
|
|
store [3 x i8] c"\1A\1E\10", ptr %xy, align 1
|
|
%0 = getelementptr inbounds [3 x i8], ptr %xx, i64 0, i64 0
|
|
%1 = load i8, ptr %0, align 1
|
|
%zext = zext i8 %1 to i32
|
|
%shl = shl i32 %zext, 29
|
|
%ashr = ashr i32 %shl, 29
|
|
%2 = getelementptr inbounds [3 x i8], ptr %xx, i64 0, i64 0
|
|
%3 = load i8, ptr %2, align 1
|
|
%zext1 = zext i8 %3 to i32
|
|
%lshrl = lshr i32 %zext1, 3
|
|
%4 = getelementptr inbounds [3 x i8], ptr %xx, i64 0, i64 1
|
|
%5 = load i8, ptr %4, align 1
|
|
%zext2 = zext i8 %5 to i32
|
|
%shl3 = shl i32 %zext2, 5
|
|
%6 = or i32 %shl3, %lshrl
|
|
%shl4 = shl i32 %6, 26
|
|
%ashr5 = ashr i32 %shl4, 26
|
|
%7 = getelementptr inbounds [3 x i8], ptr %xx, i64 0, i64 1
|
|
%8 = load i8, ptr %7, align 1
|
|
%zext6 = zext i8 %8 to i32
|
|
%lshrl7 = lshr i32 %zext6, 1
|
|
%9 = getelementptr inbounds [3 x i8], ptr %xx, i64 0, i64 2
|
|
%10 = load i8, ptr %9, align 1
|
|
%zext8 = zext i8 %10 to i32
|
|
%shl9 = shl i32 %zext8, 7
|
|
%11 = or i32 %shl9, %lshrl7
|
|
%shl10 = shl i32 %11, 22
|
|
%ashr11 = ashr i32 %shl10, 22
|
|
%12 = getelementptr inbounds [3 x i8], ptr %xx, i64 0, i64 2
|
|
%13 = load i8, ptr %12, align 1
|
|
%lshrl12 = lshr i8 %13, 3
|
|
%14 = trunc i8 %lshrl12 to i1
|
|
%boolsi = zext i1 %14 to i32
|
|
%15 = getelementptr inbounds [3 x i8], ptr %xx, i64 0, i64 2
|
|
%16 = load i8, ptr %15, align 1
|
|
%lshrl13 = lshr i8 %16, 4
|
|
%17 = trunc i8 %lshrl13 to i1
|
|
%boolsi14 = zext i1 %17 to i32
|
|
call void (ptr, ...) @printf(ptr @.str, i32 %ashr, i32 %ashr5, i32 %ashr11, i32 %boolsi, i32 %boolsi14)
|
|
ret void
|
|
}
|