Files
cs420/examples/ir/shift.ir
2020-06-05 00:54:00 +09:00

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fun i32 @main () {
init:
bid: b0
allocations:
%l0:i8:a
%l1:i8:b
%l2:u8:c
%l3:u1:t0
block b0:
%b0:i0:i8 = typecast 127:i32 to i8
%b0:i1:unit = store %b0:i0:i8 %l0:*i8
%b0:i2:i8 = load %l0:*i8
%b0:i3:i32 = typecast %b0:i2:i8 to i32
%b0:i4:i32 = shl %b0:i3:i32 1:i32
%b0:i5:i8 = typecast %b0:i4:i32 to i8
%b0:i6:unit = store %b0:i5:i8 %l1:*i8
%b0:i7:i8 = load %l1:*i8
%b0:i8:u8 = typecast %b0:i7:i8 to u8
%b0:i9:i32 = typecast %b0:i8:u8 to i32
%b0:i10:i32 = shr %b0:i9:i32 1:i32
%b0:i11:u8 = typecast %b0:i10:i32 to u8
%b0:i12:unit = store %b0:i11:u8 %l2:*u8
%b0:i13:i8 = load %l1:*i8
%b0:i14:i32 = minus 2:i32
%b0:i15:i32 = typecast %b0:i13:i8 to i32
%b0:i16:u1 = cmp eq %b0:i15:i32 %b0:i14:i32
br %b0:i16:u1, b1(), b2()
block b1:
%b1:i0:u8 = load %l2:*u8
%b1:i1:i32 = typecast %b1:i0:u8 to i32
%b1:i2:u1 = cmp eq %b1:i1:i32 127:i32
%b1:i3:unit = store %b1:i2:u1 %l3:*u1
j b3()
block b2:
%b2:i0:unit = store 0:u1 %l3:*u1
j b3()
block b3:
%b3:i0:u1 = load %l3:*u1
%b3:i1:i32 = typecast %b3:i0:u1 to i32
ret %b3:i1:i32
block b4:
ret 0:i32
}