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[PassSupport] Simplify callDefaultCtor (NFC) #137504

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Merged
kazutakahirata merged 1 commit into from
Apr 27, 2025
Merged

[PassSupport] Simplify callDefaultCtor (NFC) #137504

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21 changes: 7 additions & 14 deletions llvm/include/llvm/PassSupport.h
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Original file line number Diff line number Diff line change
Expand Up @@ -64,20 +64,13 @@ class Pass;
INITIALIZE_PASS_WITH_OPTIONS_BEGIN(PassName, Arg, Name, Cfg, Analysis) \
INITIALIZE_PASS_END(PassName, Arg, Name, Cfg, Analysis)

template <
class PassName,
std::enable_if_t<std::is_default_constructible<PassName>{}, bool> = true>
Pass *callDefaultCtor() {
return new PassName();
}

template <
class PassName,
std::enable_if_t<!std::is_default_constructible<PassName>{}, bool> = true>
Pass *callDefaultCtor() {
// Some codegen passes should only be testable via
// `llc -{start|stop}-{before|after}=<passname>`, not via `opt -<passname>`.
report_fatal_error("target-specific codegen-only pass");
template <class PassName> Pass *callDefaultCtor() {
if constexpr (std::is_default_constructible_v<PassName>)
return new PassName();
else
// Some codegen passes should only be testable via
// `llc -{start|stop}-{before|after}=<passname>`, not via `opt -<passname>`.
report_fatal_error("target-specific codegen-only pass");
}

//===---------------------------------------------------------------------------
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