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[NVPTX] Make GlobalUniqueCallSite a member of NVPTXISelLowering #130212

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Merged
merged 1 commit into from
Mar 7, 2025
Merged

[NVPTX] Make GlobalUniqueCallSite a member of NVPTXISelLowering #130212

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6 changes: 2 additions & 4 deletions llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -73,8 +73,6 @@

using namespace llvm;

static std::atomic<unsigned> GlobalUniqueCallSite;

static cl::opt<bool> sched4reg(
"nvptx-sched4reg",
cl::desc("NVPTX Specific: schedule for register pressue"), cl::init(false));
Expand Down Expand Up @@ -500,7 +498,7 @@ static SDValue MaybeBitcast(SelectionDAG &DAG, SDLoc DL, EVT VT,
// NVPTXTargetLowering Constructor.
NVPTXTargetLowering::NVPTXTargetLowering(const NVPTXTargetMachine &TM,
const NVPTXSubtarget &STI)
: TargetLowering(TM), nvTM(&TM), STI(STI) {
: TargetLowering(TM), nvTM(&TM), STI(STI), GlobalUniqueCallSite(0) {
// always lower memset, memcpy, and memmove intrinsics to load/store
// instructions, rather
// then generating calls to memset, mempcy or memmove.
Expand Down Expand Up @@ -1474,7 +1472,7 @@ SDValue NVPTXTargetLowering::LowerCall(TargetLowering::CallLoweringInfo &CLI,
unsigned FirstVAArg = CLI.NumFixedArgs; // position of the first variadic
unsigned VAOffset = 0; // current offset in the param array

unsigned UniqueCallSite = GlobalUniqueCallSite.fetch_add(1);
const unsigned UniqueCallSite = GlobalUniqueCallSite++;
SDValue TempChain = Chain;
Chain = DAG.getCALLSEQ_START(Chain, UniqueCallSite, 0, dl);
SDValue InGlue = Chain.getValue(1);
Expand Down
2 changes: 2 additions & 0 deletions llvm/lib/Target/NVPTX/NVPTXISelLowering.h
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Expand Up @@ -273,6 +273,8 @@ class NVPTXTargetLowering : public TargetLowering {

private:
const NVPTXSubtarget &STI; // cache the subtarget here
mutable unsigned GlobalUniqueCallSite;

SDValue getParamSymbol(SelectionDAG &DAG, int idx, EVT) const;

SDValue LowerADDRSPACECAST(SDValue Op, SelectionDAG &DAG) const;
Expand Down