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Update comments and remove unnecessary isVolatile() check.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154336 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier 2012-04-09 19:38:15 +00:00
parent 31ba59afad
commit 96b66d65c2
1 changed files with 5 additions and 3 deletions
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8
lib/Target/ARM/ARMISelLowering.cpp
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@ -7338,15 +7338,15 @@ static SDValue PerformVMOVDRRCombine(SDNode *N, SelectionDAG &DAG) {
/// ISD::STORE.
static SDValue PerformSTORECombine(SDNode *N,
TargetLowering::DAGCombinerInfo &DCI) {
// Bitcast an i64 store extracted from a vector to f64.
// Otherwise, the i64 value will be legalized to a pair of i32 values.
StoreSDNode *St = cast<StoreSDNode>(N);
SDValue StVal = St->getValue();
if (!ISD::isNormalStore(St) || St->isVolatile())
return SDValue();
// Split a store of a VMOVDRR into two integer stores to avoid mixing NEON and
// ARM stores of arguments in the same cache line.
if (StVal.getNode()->getOpcode() == ARMISD::VMOVDRR &&
StVal.getNode()->hasOneUse() && !St->isVolatile()) {
StVal.getNode()->hasOneUse()) {
SelectionDAG &DAG = DCI.DAG;
DebugLoc DL = St->getDebugLoc();
SDValue BasePtr = St->getBasePtr();
@ -7367,6 +7367,8 @@ static SDValue PerformSTORECombine(SDNode *N,
StVal.getNode()->getOpcode() != ISD::EXTRACT_VECTOR_ELT)
return SDValue();
// Bitcast an i64 store extracted from a vector to f64.
// Otherwise, the i64 value will be legalized to a pair of i32 values.
SelectionDAG &DAG = DCI.DAG;
DebugLoc dl = StVal.getDebugLoc();
SDValue IntVec = StVal.getOperand(0);