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PTX: Start fixing function calls

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140378 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski 2011-09-23 14:31:12 +00:00
parent d3dec06447
commit e953a64cb5
3 changed files with 16 additions and 4 deletions
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13
lib/Target/PTX/PTXAsmPrinter.cpp
View File

@ -222,6 +222,7 @@ void PTXAsmPrinter::EmitFunctionBodyStart() {
OutStreamer.EmitRawText(Twine("{"));
const PTXMachineFunctionInfo *MFI = MF->getInfo<PTXMachineFunctionInfo>();
const PTXParamManager &PM = MFI->getParamManager();
// Print register definitions
std::string regDefs;
@ -275,6 +276,16 @@ void PTXAsmPrinter::EmitFunctionBodyStart() {
regDefs += ">;\n";
}
// Local params
for (PTXParamManager::param_iterator i = PM.local_begin(), e = PM.local_end();
i != e; ++i) {
regDefs += "\t.param .b";
regDefs += utostr(PM.getParamSize(*i));
regDefs += " ";
regDefs += PM.getParamName(*i);
regDefs += ";\n";
}
OutStreamer.EmitRawText(Twine(regDefs));
@ -677,7 +688,7 @@ printCall(const MachineInstr *MI, raw_ostream &O) {
for (unsigned i = 3; i < MI->getNumOperands(); ++i) {
//const MachineOperand& MO = MI->getOperand(i);
printReturnOperand(MI, i, O);
printParamOperand(MI, i, O);
if (i < MI->getNumOperands()-1) {
O << ", ";
}

4
lib/Target/PTX/PTXISelLowering.cpp
View File

@ -435,6 +435,7 @@ PTXTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
MachineFunction& MF = DAG.getMachineFunction();
PTXMachineFunctionInfo *MFI = MF.getInfo<PTXMachineFunctionInfo>();
PTXParamManager &PM = MFI->getParamManager();
assert(getTargetMachine().getSubtarget<PTXSubtarget>().callsAreHandled() &&
"Calls are not handled for the target device");
@ -454,7 +455,8 @@ PTXTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
for (unsigned i = 0; i != OutVals.size(); ++i) {
unsigned Size = OutVals[i].getValueType().getSizeInBits();
SDValue Index = DAG.getTargetConstant(MFI->getNextParam(Size), MVT::i32);
unsigned Param = PM.addLocalParam(Size);
SDValue Index = DAG.getTargetConstant(Param, MVT::i32);
Chain = DAG.getNode(PTXISD::STORE_PARAM, dl, MVT::Other, Chain,
Index, OutVals[i]);
ops[i+2] = Index;

3
test/CodeGen/PTX/simple-call.ll
View File

@ -1,5 +1,4 @@
; RUN: llc < %s -march=ptx32 -mattr=sm20 | FileCheck %s
; XFAIL: *
define ptx_device void @test_add(float %x, float %y) {
; CHECK: ret;
@ -9,7 +8,7 @@ define ptx_device void @test_add(float %x, float %y) {
define ptx_device float @test_call(float %x, float %y) {
%a = fadd float %x, %y
; CHECK: call.uni test_add, (__ret_{{[0-9]+}}, __ret_{{[0-9]+}});
; CHECK: call.uni test_add, (__localparam_{{[0-9]+}}, __localparam_{{[0-9]+}});
call void @test_add(float %a, float %y)
ret float %a
}