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List: llvm-commits
Subject: [PATCH] D149445: [MachineInst] Switch NumOperands to 16bits
From: Dávid_Bolvanský_via_Phabricator via llvm-commits <llvm-com
Date: 2023-04-30 19:13:12
Message-ID: SN-xhrD6TpSp1fBQtR1ugQ () geopod-ismtpd-10
[Download RAW message or body]
xbolva00 updated this revision to Diff 518344.
xbolva00 added a comment.
Addressed review feedback.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D149445/new/
https://reviews.llvm.org/D149445
Files:
llvm/include/llvm/CodeGen/MachineInstr.h
llvm/lib/CodeGen/MachineInstr.cpp
Index: llvm/lib/CodeGen/MachineInstr.cpp
===================================================================
--- llvm/lib/CodeGen/MachineInstr.cpp
+++ llvm/lib/CodeGen/MachineInstr.cpp
@@ -192,6 +192,7 @@
/// an explicit operand it is added at the end of the explicit operand list
/// (before the first implicit operand).
void MachineInstr::addOperand(MachineFunction &MF, const MachineOperand &Op) {
+ assert(NumOperands < USHRT_MAX && "Cannot add more operands.");
assert(MCID && "Cannot add operands before providing an instr descriptor");
// Check if we're adding one of our existing operands.
Index: llvm/include/llvm/CodeGen/MachineInstr.h
===================================================================
--- llvm/include/llvm/CodeGen/MachineInstr.h
+++ llvm/include/llvm/CodeGen/MachineInstr.h
@@ -120,7 +120,7 @@
// Operands are allocated by an ArrayRecycler.
MachineOperand *Operands = nullptr; // Pointer to the first operand.
- unsigned NumOperands = 0; // Number of operands on instruction.
+ uint16_t NumOperands = 0; // Number of operands on instruction.
uint16_t Flags = 0; // Various bits of additional
// information about machine
["D149445.518344.patch" (D149445.518344.patch)]
Index: llvm/lib/CodeGen/MachineInstr.cpp
===================================================================
--- llvm/lib/CodeGen/MachineInstr.cpp
+++ llvm/lib/CodeGen/MachineInstr.cpp
@@ -192,6 +192,7 @@
/// an explicit operand it is added at the end of the explicit operand list
/// (before the first implicit operand).
void MachineInstr::addOperand(MachineFunction &MF, const MachineOperand &Op) {
+ assert(NumOperands < USHRT_MAX && "Cannot add more operands.");
assert(MCID && "Cannot add operands before providing an instr descriptor");
// Check if we're adding one of our existing operands.
Index: llvm/include/llvm/CodeGen/MachineInstr.h
===================================================================
--- llvm/include/llvm/CodeGen/MachineInstr.h
+++ llvm/include/llvm/CodeGen/MachineInstr.h
@@ -120,7 +120,7 @@
// Operands are allocated by an ArrayRecycler.
MachineOperand *Operands = nullptr; // Pointer to the first operand.
- unsigned NumOperands = 0; // Number of operands on instruction.
+ uint16_t NumOperands = 0; // Number of operands on instruction.
uint16_t Flags = 0; // Various bits of additional
// information about machine
[Attachment #4 (text/plain)]
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