[PATCH] D104838: [RISCV][NFC] Combine the control flow for different RetOp of interrupt function
Jim Lin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Jun 26 02:25:26 PDT 2021
This revision was automatically updated to reflect the committed changes.
Closed by commit rG779d2b0a4273: [RISCV][NFC] Combine the control flow for different RetOp of interrupt function (authored by Jim).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D104838/new/
https://reviews.llvm.org/D104838
Files:
llvm/lib/Target/RISCV/RISCVISelLowering.cpp
Index: llvm/lib/Target/RISCV/RISCVISelLowering.cpp
===================================================================
--- llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -8029,6 +8029,7 @@
RetOps.push_back(Glue);
}
+ unsigned RetOpc = RISCVISD::RET_FLAG;
// Interrupt service routines use different return instructions.
const Function &Func = DAG.getMachineFunction().getFunction();
if (Func.hasFnAttribute("interrupt")) {
@@ -8040,18 +8041,15 @@
StringRef Kind =
MF.getFunction().getFnAttribute("interrupt").getValueAsString();
- unsigned RetOpc;
if (Kind == "user")
RetOpc = RISCVISD::URET_FLAG;
else if (Kind == "supervisor")
RetOpc = RISCVISD::SRET_FLAG;
else
RetOpc = RISCVISD::MRET_FLAG;
-
- return DAG.getNode(RetOpc, DL, MVT::Other, RetOps);
}
- return DAG.getNode(RISCVISD::RET_FLAG, DL, MVT::Other, RetOps);
+ return DAG.getNode(RetOpc, DL, MVT::Other, RetOps);
}
void RISCVTargetLowering::validateCCReservedRegs(
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