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rustc_llvm: rustc_trans: Thread the PGO config down to the pass manager builder.

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Signed-off-by: Emilio Cobos Álvarez <emilio@crisal.io>
This commit is contained in:
Emilio Cobos Álvarez
2018-02-19 01:57:12 +01:00
parent 50a38725e1
commit 324ca7acd5
3 changed files with 46 additions and 7 deletions
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12
src/rustllvm/PassWrapper.cpp
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@@ -428,12 +428,22 @@ extern "C" void LLVMRustAddAnalysisPasses(LLVMTargetMachineRef TM,
extern "C" void LLVMRustConfigurePassManagerBuilder(
LLVMPassManagerBuilderRef PMBR, LLVMRustCodeGenOptLevel OptLevel,
bool MergeFunctions, bool SLPVectorize, bool LoopVectorize) {
bool MergeFunctions, bool SLPVectorize, bool LoopVectorize,
const char* PGOGenPath, const char* PGOUsePath) {
// Ignore mergefunc for now as enabling it causes crashes.
// unwrap(PMBR)->MergeFunctions = MergeFunctions;
unwrap(PMBR)->SLPVectorize = SLPVectorize;
unwrap(PMBR)->OptLevel = fromRust(OptLevel);
unwrap(PMBR)->LoopVectorize = LoopVectorize;
if (PGOGenPath) {
assert(!PGOUsePath);
unwrap(PMBR)->EnablePGOInstrGen = true;
unwrap(PMBR)->PGOInstrGen = PGOGenPath;
}
if (PGOUsePath) {
assert(!PGOGenPath);
unwrap(PMBR)->PGOInstrUse = PGOUsePath;
}
}
// Unfortunately, the LLVM C API doesn't provide a way to set the `LibraryInfo`