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Minor array copy refactoring.

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This commit is contained in:
David Nadlinger
2013-06-07 02:10:14 +02:00
parent a8ae435c69
commit 63759239fd
1 changed files with 18 additions and 18 deletions
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36
gen/arrays.cpp
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@@ -389,6 +389,22 @@ static LLValue* get_slice_ptr(DSliceValue* e, LLValue*& sz)
return DtoBitCast(e->ptr, getVoidPtrType());
}
static void copySlice(LLValue* dstarr, LLValue* sz1, LLValue* srcarr, LLValue* sz2)
{
if (global.params.useAssert || global.params.useArrayBounds)
{
LLValue* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_array_slice_copy");
gIR->CreateCallOrInvoke4(fn, dstarr, sz1, srcarr, sz2);
}
else
{
// We might have dstarr == srcarr at compile time, but as long as
// sz1 == 0 at runtime, this would probably still be legal (the C spec
// is unclear here).
DtoMemCpy(dstarr, srcarr, sz1);
}
}
void DtoArrayCopySlices(DSliceValue* dst, DSliceValue* src)
{
Logger::println("ArrayCopySlices");
@@ -397,15 +413,7 @@ void DtoArrayCopySlices(DSliceValue* dst, DSliceValue* src)
LLValue* dstarr = get_slice_ptr(dst,sz1);
LLValue* srcarr = get_slice_ptr(src,sz2);
if (global.params.useAssert || global.params.useArrayBounds)
{
LLValue* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_array_slice_copy");
gIR->CreateCallOrInvoke4(fn, dstarr, sz1, srcarr, sz2);
}
else
{
DtoMemCpy(dstarr, srcarr, sz1);
}
copySlice(dstarr, sz1, srcarr, sz2);
}
void DtoArrayCopyToSlice(DSliceValue* dst, DValue* src)
@@ -419,15 +427,7 @@ void DtoArrayCopyToSlice(DSliceValue* dst, DValue* src)
LLType* arrayelemty = DtoTypeNotVoid(src->getType()->nextOf()->toBasetype());
LLValue* sz2 = gIR->ir->CreateMul(DtoConstSize_t(getTypePaddedSize(arrayelemty)), DtoArrayLen(src), "tmp");
if (global.params.useAssert || global.params.useArrayBounds)
{
LLValue* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_array_slice_copy");
gIR->CreateCallOrInvoke4(fn, dstarr, sz1, srcarr, sz2);
}
else
{
DtoMemCpy(dstarr, srcarr, sz1);
}
copySlice(dstarr, sz1, srcarr, sz2);
}
//////////////////////////////////////////////////////////////////////////////////////////