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[GlobalISel] Fix Wint-in-bool-context warning (NFC)

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GCC warning:
```
/llvm-project/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp: In member function ‘bool llvm::CombinerHelper::matchFunnelShiftToRotate(llvm::MachineInstr&)’:
/llvm-project/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp:3882:35: warning: ?: using integer constants in boolean context, the expression will always evaluate to ‘true’ [-Wint-in-bool-context]
 3882 |       Opc == TargetOpcode::G_FSHL ? TargetOpcode::G_ROTL : TargetOpcode::G_ROTR;
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
```
This commit is contained in:
Yang Fan 2021-03-31 09:56:31 +08:00
parent b533505c47
commit deffb9d373
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/GlobalISel/CombinerHelper.cpp
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@ -3878,7 +3878,7 @@ bool CombinerHelper::matchFunnelShiftToRotate(MachineInstr &MI) {
Register Y = MI.getOperand(2).getReg();
if (X != Y)
return false;
bool RotateOpc =
unsigned RotateOpc =
Opc == TargetOpcode::G_FSHL ? TargetOpcode::G_ROTL : TargetOpcode::G_ROTR;
return isLegalOrBeforeLegalizer({RotateOpc, {MRI.getType(X), MRI.getType(Y)}});
}