add static lifetime to constexpr values to force compile time evaluation where possible

Signed-off-by: arades79 <scravers@protonmail.com>
This commit is contained in:
arades79 2023-02-11 13:28:03 -05:00
parent ba774d82c7
commit adcef452e0
101 changed files with 309 additions and 303 deletions

View file

@ -39,7 +39,7 @@ void EmitIAdd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
// which may be overwritten by the result of the addition
if (IR::Inst * overflow{inst.GetAssociatedPseudoOperation(IR::Opcode::GetOverflowFromOp)}) {
// https://stackoverflow.com/questions/55468823/how-to-detect-integer-overflow-in-c
constexpr u32 s32_max{static_cast<u32>(std::numeric_limits<s32>::max())};
constexpr static u32 s32_max{static_cast<u32>(std::numeric_limits<s32>::max())};
const auto sub_a{fmt::format("{}u-{}", s32_max, a)};
const auto positive_result{fmt::format("int({})>int({})", b, sub_a)};
const auto negative_result{fmt::format("int({})<int({})", b, sub_a)};