[libclc] Compile clc_convert_float2int.cl and clc_convert_int2float.cl separately (#173454)
776f5933c9d4 merged into clc_convert_integer.cl to avoid many
regressions, e.g. in function _Z17convert_float_rtnc:
in block %1 / %1:
> ret float %2
< %.inv.i.i = fcmp ole float %2, -1.280000e+02
< %3 = select i1 %.inv.i.i, float -1.280000e+02, float %2
< %4 = fptosi float %3 to i8
< %.not.i = icmp eq i8 %0, 127
< %5 = icmp sge i8 %0, %4
< %.not2.i = select i1 %.not.i, i1 true, i1 %5
< %6 = bitcast float %2 to i32
< %7 = sub nsw i32 -2147483648, %6
< %8 = icmp slt i8 %0, 0
< %9 = select i1 %8, i32 %7, i32 %6
< %10 = icmp sgt i32 %9, -2139095041
< %11 = select i1 %10, i32 -1, i32 1
< %12 = add nsw i32 %11, %9
< %13 = sub i32 -2147483648, %12
< %14 = icmp slt i32 %12, 0
< %15 = icmp ne i32 %12, 0
< %16 = or i1 %10, %15
< %17 = select i1 %16, i32 %12, i32 -2147483648
< %18 = select i1 %14, i32 %13, i32 %17
< %19 = icmp eq i32 %6, -8388608
< %20 = bitcast i32 %18 to float
< %21 = select i1 %19, float 0xFFF0000000000000, float %20
< %22 = select i1 %.not2.i, float %2, float %21
< ret float %22
This regression is fixed by 993054d96fdf.
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