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Preserve more SourceValue information.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63498 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang 2009-02-02 06:37:55 +00:00
parent 0c3c0214bc
commit c82bf9b268
2 changed files with 18 additions and 8 deletions
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7
lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
View File

@ -19,6 +19,7 @@
//===----------------------------------------------------------------------===//
#include "LegalizeTypes.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
@ -214,12 +215,14 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BIT_CONVERT(SDNode *N) {
// Create the stack frame object. Make sure it is aligned for both
// the source and destination types.
SDValue FIPtr = DAG.CreateStackTemporary(InVT, OutVT);
int FI = cast<FrameIndexSDNode>(FIPtr.getNode())->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(FI);
// Emit a store to the stack slot.
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, InOp, FIPtr, NULL, 0);
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, InOp, FIPtr, SV, 0);
// Result is an extending load from the stack slot.
return DAG.getExtLoad(ISD::EXTLOAD, dl, NOutVT, Store, FIPtr, NULL, 0, OutVT);
return DAG.getExtLoad(ISD::EXTLOAD, dl, NOutVT, Store, FIPtr, SV, 0, OutVT);
}
SDValue DAGTypeLegalizer::PromoteIntRes_BSWAP(SDNode *N) {

19
lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
View File

@ -21,6 +21,7 @@
//===----------------------------------------------------------------------===//
#include "LegalizeTypes.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/Target/TargetData.h"
using namespace llvm;
@ -976,11 +977,13 @@ SDValue DAGTypeLegalizer::SplitVecOp_EXTRACT_VECTOR_ELT(SDNode *N) {
MVT EltVT = VecVT.getVectorElementType();
DebugLoc dl = N->getDebugLoc();
SDValue StackPtr = DAG.CreateStackTemporary(VecVT);
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, Vec, StackPtr, NULL, 0);
int SPFI = cast<FrameIndexSDNode>(StackPtr.getNode())->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(SPFI);
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, Vec, StackPtr, SV, 0);
// Load back the required element.
StackPtr = GetVectorElementPointer(StackPtr, EltVT, Idx);
return DAG.getLoad(EltVT, dl, Store, StackPtr, NULL, 0);
return DAG.getLoad(EltVT, dl, Store, StackPtr, SV, 0);
}
SDValue DAGTypeLegalizer::SplitVecOp_STORE(StoreSDNode *N, unsigned OpNo) {
@ -1350,12 +1353,14 @@ SDValue DAGTypeLegalizer::WidenVecRes_BIT_CONVERT(SDNode *N) {
// from the stack. Create the stack frame object. Make sure it is aligned
// for both the source and destination types.
SDValue FIPtr = DAG.CreateStackTemporary(InVT, WidenVT);
int FI = cast<FrameIndexSDNode>(FIPtr.getNode())->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(FI);
// Emit a store to the stack slot.
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, InOp, FIPtr, NULL, 0);
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, InOp, FIPtr, SV, 0);
// Result is a load from the stack slot.
return DAG.getLoad(WidenVT, dl, Store, FIPtr, NULL, 0);
return DAG.getLoad(WidenVT, dl, Store, FIPtr, SV, 0);
}
SDValue DAGTypeLegalizer::WidenVecRes_BUILD_VECTOR(SDNode *N) {
@ -1849,12 +1854,14 @@ SDValue DAGTypeLegalizer::WidenVecOp_BIT_CONVERT(SDNode *N) {
// frame object. Make sure it is aligned for both the source and destination
// types.
SDValue FIPtr = DAG.CreateStackTemporary(InWidenVT, VT);
int FI = cast<FrameIndexSDNode>(FIPtr.getNode())->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(FI);
// Emit a store to the stack slot.
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, InOp, FIPtr, NULL, 0);
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, InOp, FIPtr, SV, 0);
// Result is a load from the stack slot.
return DAG.getLoad(VT, dl, Store, FIPtr, NULL, 0);
return DAG.getLoad(VT, dl, Store, FIPtr, SV, 0);
}
SDValue DAGTypeLegalizer::WidenVecOp_CONCAT_VECTORS(SDNode *N) {