Use register masks on SPARC call instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189085 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index 4b0fa67..ce9cd94 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -880,6 +880,13 @@
for (unsigned i = 0, e = RegsToPass.size(); i != e; ++i)
Ops.push_back(DAG.getRegister(toCallerWindow(RegsToPass[i].first),
RegsToPass[i].second.getValueType()));
+
+ // Add a register mask operand representing the call-preserved registers.
+ const TargetRegisterInfo *TRI = getTargetMachine().getRegisterInfo();
+ const uint32_t *Mask = TRI->getCallPreservedMask(CallConv);
+ assert(Mask && "Missing call preserved mask for calling convention");
+ Ops.push_back(DAG.getRegisterMask(Mask));
+
if (InFlag.getNode())
Ops.push_back(InFlag);
@@ -1112,6 +1119,12 @@
Ops.push_back(DAG.getRegister(RegsToPass[i].first,
RegsToPass[i].second.getValueType()));
+ // Add a register mask operand representing the call-preserved registers.
+ const TargetRegisterInfo *TRI = getTargetMachine().getRegisterInfo();
+ const uint32_t *Mask = TRI->getCallPreservedMask(CLI.CallConv);
+ assert(Mask && "Missing call preserved mask for calling convention");
+ Ops.push_back(DAG.getRegisterMask(Mask));
+
// Make sure the CopyToReg nodes are glued to the call instruction which
// consumes the registers.
if (InGlue.getNode())
diff --git a/lib/Target/Sparc/SparcInstrInfo.td b/lib/Target/Sparc/SparcInstrInfo.td
index 2d228ea..f5aa581 100644
--- a/lib/Target/Sparc/SparcInstrInfo.td
+++ b/lib/Target/Sparc/SparcInstrInfo.td
@@ -556,10 +556,7 @@
// Section B.24 - Call and Link Instruction, p. 125
// This is the only Format 1 instruction
let Uses = [O6],
- hasDelaySlot = 1, isCall = 1,
- Defs = [O0, O1, O2, O3, O4, O5, O7, G1, G2, G3, G4, G5, G6, G7,
- D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
- ICC, FCC, Y] in {
+ hasDelaySlot = 1, isCall = 1 in {
def CALL : InstSP<(outs), (ins calltarget:$dst, variable_ops),
"call $dst", []> {
bits<30> disp;