Skip to content

[RISCV][VLOPT] Simplify code by removing extra temporary variables. NFC #122333

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jan 10, 2025
Merged

[RISCV][VLOPT] Simplify code by removing extra temporary variables. NFC #122333

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 5 additions & 10 deletions llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -546,10 +546,8 @@ getOperandLog2EEW(const MachineOperand &MO, const MachineRegisterInfo *MRI) {
case RISCV::VFWCVT_RTZ_X_F_V:
case RISCV::VFWCVT_F_XU_V:
case RISCV::VFWCVT_F_X_V:
case RISCV::VFWCVT_F_F_V: {
unsigned Log2EEW = IsMODef ? MILog2SEW + 1 : MILog2SEW;
return Log2EEW;
}
case RISCV::VFWCVT_F_F_V:
return IsMODef ? MILog2SEW + 1 : MILog2SEW;

// Def and Op1 uses EEW=2*SEW. Op2 uses EEW=SEW.
case RISCV::VWADDU_WV:
Expand All @@ -567,8 +565,7 @@ getOperandLog2EEW(const MachineOperand &MO, const MachineRegisterInfo *MRI) {
case RISCV::VFWSUB_WV: {
bool IsOp1 = HasPassthru ? MO.getOperandNo() == 2 : MO.getOperandNo() == 1;
bool TwoTimes = IsMODef || IsOp1;
unsigned Log2EEW = TwoTimes ? MILog2SEW + 1 : MILog2SEW;
return Log2EEW;
return TwoTimes ? MILog2SEW + 1 : MILog2SEW;
}

// Vector Integer Extension
Expand Down Expand Up @@ -609,8 +606,7 @@ getOperandLog2EEW(const MachineOperand &MO, const MachineRegisterInfo *MRI) {
case RISCV::VFNCVT_ROD_F_F_W: {
bool IsOp1 = HasPassthru ? MO.getOperandNo() == 2 : MO.getOperandNo() == 1;
bool TwoTimes = IsOp1;
unsigned Log2EEW = TwoTimes ? MILog2SEW + 1 : MILog2SEW;
return Log2EEW;
return TwoTimes ? MILog2SEW + 1 : MILog2SEW;
}

// Vector Mask Instructions
Expand Down Expand Up @@ -724,8 +720,7 @@ getOperandLog2EEW(const MachineOperand &MO, const MachineRegisterInfo *MRI) {
case RISCV::VFWREDOSUM_VS:
case RISCV::VFWREDUSUM_VS: {
bool TwoTimes = IsMODef || MO.getOperandNo() == 3;
unsigned Log2EEW = TwoTimes ? MILog2SEW + 1 : MILog2SEW;
return Log2EEW;
return TwoTimes ? MILog2SEW + 1 : MILog2SEW;
}

default:
Expand Down
Loading