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Give error when selecting unsupported passmanager. (#4250)

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Johan Engelen 2022-11-11 00:10:01 +01:00 • committed by GitHub
parent bfa802d6c8
commit fed90e8993
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4 changed files with 29 additions and 8 deletions
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14
driver/main.cpp
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@ -546,6 +546,20 @@ void parseCommandLine(Strings &sourceFiles) {
global.params.hdrStripPlainFunctions = !opts::hdrKeepAllBodies;
global.params.disableRedZone = opts::disableRedZone();
// Passmanager selection options depend on LLVM version
#if LDC_LLVM_VER < 1400
// LLVM < 14 only supports the legacy passmanager
if (opts::passmanager != 0) {
error(Loc(), "LLVM version 13 or below only supports --passmanager=legacy");
}
#endif
#if LDC_LLVM_VER >= 1500
// LLVM >= 15 only supports the new passmanager
if (opts::passmanager != 1) {
error(Loc(), "LLVM version 15 or above only supports --passmanager=new");
}
#endif
}
void initializePasses() {