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[ARM] Reduce code duplication by factoring out in a lambda. NFCI.

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llvm-svn: 298572
This commit is contained in:
Davide Italiano 2017-03-23 01:34:45 +00:00
parent 7702500e41
commit f899257b4f
1 changed files with 11 additions and 16 deletions
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27
lib/Target/ARM/ARMSelectionDAGInfo.cpp
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@ -198,17 +198,18 @@ SDValue ARMSelectionDAGInfo::EmitTargetCodeForMemcpy(
return Chain;
// Issue loads / stores for the trailing (1 - 3) bytes.
auto getRemainingValueType = [](unsigned BytesLeft) {
return (BytesLeft >= 2) ? MVT::i16 : MVT::i8;
};
auto getRemainingSize = [](unsigned BytesLeft) {
return (BytesLeft >= 2) ? 2 : 1;
};
unsigned BytesLeftSave = BytesLeft;
i = 0;
while (BytesLeft) {
if (BytesLeft >= 2) {
VT = MVT::i16;
VTSize = 2;
} else {
VT = MVT::i8;
VTSize = 1;
}
VT = getRemainingValueType(BytesLeft);
VTSize = getRemainingSize(BytesLeft);
Loads[i] = DAG.getLoad(VT, dl, Chain,
DAG.getNode(ISD::ADD, dl, MVT::i32, Src,
DAG.getConstant(SrcOff, dl, MVT::i32)),
@ -224,14 +225,8 @@ SDValue ARMSelectionDAGInfo::EmitTargetCodeForMemcpy(
i = 0;
BytesLeft = BytesLeftSave;
while (BytesLeft) {
if (BytesLeft >= 2) {
VT = MVT::i16;
VTSize = 2;
} else {
VT = MVT::i8;
VTSize = 1;
}
VT = getRemainingValueType(BytesLeft);
VTSize = getRemainingSize(BytesLeft);
TFOps[i] = DAG.getStore(Chain, dl, Loads[i],
DAG.getNode(ISD::ADD, dl, MVT::i32, Dst,
DAG.getConstant(DstOff, dl, MVT::i32)),