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SIL: Add an autorelease_value instruction.

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Give us a way to formally represent autoreleases in SIL separate from autoreleased returns, allowing us to lifetime-extend inner pointer parameters the lazy way and hopefully clean up some asmname hacks in the stdlib implementation too.

Swift SVN r16632
This commit is contained in:
Joe Groff
2014-04-21 23:11:38 +00:00
parent c56458d173
commit dcad7fb248
17 changed files with 85 additions and 1 deletions
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lib/SILAnalysis/ValueTracking.cpp
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@@ -64,6 +64,7 @@ static bool isTransitiveEscapeInst(SILInstruction *Inst) {
case ValueKind::DebugValueInst:
case ValueKind::DestroyAddrInst:
case ValueKind::ReleaseValueInst:
case ValueKind::AutoreleaseValueInst:
case ValueKind::FloatLiteralInst:
case ValueKind::FunctionRefInst:
case ValueKind::GlobalAddrInst: