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IRGen: Delete dead code #8409

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Merged
merged 1 commit into from
Mar 29, 2017
Merged

IRGen: Delete dead code #8409

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22 changes: 0 additions & 22 deletions lib/IRGen/GenExistential.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -355,17 +355,6 @@ class OpaqueExistentialTypeInfo final :

auto layout = getLayout();

// Use copy-on-write existentials?
if (false && IGF.IGM.getSILModule().getOptions().UseCOWExistentials) {
auto fn = getInitWithCopyBoxedOpaqueExistentialBufferFunction(
IGF.IGM, getLayout(), src.getAddress()->getType());
auto call =
IGF.Builder.CreateCall(fn, {dest.getAddress(), src.getAddress()});
call->setCallingConv(IGF.IGM.DefaultCC);
call->setDoesNotThrow();
return;
}

// Project down to the buffers and ask the witnesses to do a
// copy-initialize.
Address srcBuffer = layout.projectExistentialBuffer(IGF, src);
Expand All @@ -382,17 +371,6 @@ class OpaqueExistentialTypeInfo final :

auto layout = getLayout();

// Use copy-on-write existentials?
if (false && IGF.IGM.getSILModule().getOptions().UseCOWExistentials) {
auto fn = getInitWithTakeBoxedOpaqueExistentialBufferFunction(
IGF.IGM, getLayout(), src.getAddress()->getType());
auto call =
IGF.Builder.CreateCall(fn, {dest.getAddress(), src.getAddress()});
call->setCallingConv(IGF.IGM.DefaultCC);
call->setDoesNotThrow();
return;
}

// Project down to the buffers and ask the witnesses to do a
// take-initialize.
Address srcBuffer = layout.projectExistentialBuffer(IGF, src);
Expand Down