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[MachineVerifier] Simplify and delete LLVM_VERIFY_MACHINEINSTRS from a comment. NFC

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The environment variable has been unused since r228079.
This commit is contained in:
Fangrui Song 2020-01-26 15:47:32 -08:00
parent 0507f61bd2
commit 274a5fbacd
1 changed files with 7 additions and 11 deletions
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18
lib/CodeGen/MachineVerifier.cpp
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@ -16,10 +16,8 @@
// Register live intervals: Registers must be defined only once, and must be
// defined before use.
//
// The machine code verifier is enabled from LLVMTargetMachine.cpp with the
// command-line option -verify-machineinstrs, or by defining the environment
// variable LLVM_VERIFY_MACHINEINSTRS to the name of a file that will receive
// the verifier errors.
// The machine code verifier is enabled with the command-line option
// -verify-machineinstrs.
//===----------------------------------------------------------------------===//
#include "llvm/ADT/BitVector.h"
@ -376,13 +374,11 @@ unsigned MachineVerifier::verify(MachineFunction &MF) {
if (isFunctionFailedISel)
return foundErrors;
isFunctionRegBankSelected =
!isFunctionFailedISel &&
MF.getProperties().hasProperty(
MachineFunctionProperties::Property::RegBankSelected);
isFunctionSelected = !isFunctionFailedISel &&
MF.getProperties().hasProperty(
MachineFunctionProperties::Property::Selected);
isFunctionRegBankSelected = MF.getProperties().hasProperty(
MachineFunctionProperties::Property::RegBankSelected);
isFunctionSelected = MF.getProperties().hasProperty(
MachineFunctionProperties::Property::Selected);
LiveVars = nullptr;
LiveInts = nullptr;
LiveStks = nullptr;