[GlobalISel][NFC]Delete the comments of XXLegalizerInfo

[shining1984]

Delete the LegalizerInfo comments of AArch64/AMD64/ARM/M68k/RISCV/x86, they are copied from register bank.

[llvmbot]

@llvm/pr-subscribers-backend-amdgpu
@llvm/pr-subscribers-backend-aarch64
@llvm/pr-subscribers-backend-risc-v

@llvm/pr-subscribers-backend-m68k

Author: Ningning Shi(史宁宁) (shining1984)

Changes

Update the LegalizerInfo comments of AArch64/AMD64/ARM/M68k/RISCV/x86, according the BPFLegalizerInfo.

---

Full diff: https://github.com/llvm/llvm-project/pull/76918.diff

6 Files Affected:

• (modified) llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h (+2-1)
• (modified) llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h (+2-1)
• (modified) llvm/lib/Target/ARM/ARMLegalizerInfo.h (+2-1)
• (modified) llvm/lib/Target/M68k/GISel/M68kLegalizerInfo.h (+2-1)
• (modified) llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.h (+2-1)
• (modified) llvm/lib/Target/X86/GISel/X86LegalizerInfo.h (+2-1)

diff --git a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h
index e96ec6db3a1bc2..29ac64d8a90c94 100644
--- a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h
+++ b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h
@@ -23,7 +23,8 @@ namespace llvm {
 
 class AArch64Subtarget;
 
-/// This class provides the information for the target register banks.
+/// This class provides the information for the AArch64 target legalizer for
+/// GlobalISel.
 class AArch64LegalizerInfo : public LegalizerInfo {
 public:
   AArch64LegalizerInfo(const AArch64Subtarget &ST);
diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
index 1fa064891a2d93..f30be891eba507 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
@@ -27,7 +27,8 @@ class MachineIRBuilder;
 namespace AMDGPU {
 struct ImageDimIntrinsicInfo;
 }
-/// This class provides the information for the target register banks.
+/// This class provides the information for the AMDGPU target legalizer for
+/// GlobalISel.
 class AMDGPULegalizerInfo final : public LegalizerInfo {
   const GCNSubtarget &ST;
 
diff --git a/llvm/lib/Target/ARM/ARMLegalizerInfo.h b/llvm/lib/Target/ARM/ARMLegalizerInfo.h
index 3636cc6402b810..e59ea9c06c49cb 100644
--- a/llvm/lib/Target/ARM/ARMLegalizerInfo.h
+++ b/llvm/lib/Target/ARM/ARMLegalizerInfo.h
@@ -23,7 +23,8 @@ namespace llvm {
 
 class ARMSubtarget;
 
-/// This class provides the information for the target register banks.
+/// This class provides the information for the ARM target legalizer for
+/// GlobalISel.
 class ARMLegalizerInfo : public LegalizerInfo {
 public:
   ARMLegalizerInfo(const ARMSubtarget &ST);
diff --git a/llvm/lib/Target/M68k/GISel/M68kLegalizerInfo.h b/llvm/lib/Target/M68k/GISel/M68kLegalizerInfo.h
index a10401ed1a9a3e..bc7d2a53ae62cb 100644
--- a/llvm/lib/Target/M68k/GISel/M68kLegalizerInfo.h
+++ b/llvm/lib/Target/M68k/GISel/M68kLegalizerInfo.h
@@ -20,7 +20,8 @@ namespace llvm {
 
 class M68kSubtarget;
 
-/// This struct provides the information for the target register banks.
+/// This class provides the information for the M68k target legalizer for
+/// GlobalISel.
 struct M68kLegalizerInfo : public LegalizerInfo {
 public:
   M68kLegalizerInfo(const M68kSubtarget &ST);
diff --git a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.h b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.h
index 4335bd0cbbff0e..18a0e2b637a140 100644
--- a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.h
+++ b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.h
@@ -21,7 +21,8 @@ class GISelChangeObserver;
 class MachineIRBuilder;
 class RISCVSubtarget;
 
-/// This class provides the information for the target register banks.
+/// This class provides the information for the RISCV target legalizer for
+/// GlobalISel.
 class RISCVLegalizerInfo : public LegalizerInfo {
   const RISCVSubtarget &STI;
   const unsigned XLen;
diff --git a/llvm/lib/Target/X86/GISel/X86LegalizerInfo.h b/llvm/lib/Target/X86/GISel/X86LegalizerInfo.h
index 1f69feceae2750..99258d0dc397a0 100644
--- a/llvm/lib/Target/X86/GISel/X86LegalizerInfo.h
+++ b/llvm/lib/Target/X86/GISel/X86LegalizerInfo.h
@@ -21,7 +21,8 @@ namespace llvm {
 class X86Subtarget;
 class X86TargetMachine;
 
-/// This class provides the information for the target register banks.
+/// This class provides the information for the X86 target legalizer for
+/// GlobalISel.
 class X86LegalizerInfo : public LegalizerInfo {
 private:
   /// Keep a reference to the X86Subtarget around so that we can

[arsenm]

I'd just delete the comment from all the target implementations altogether

[shining1984]

I delete them.

[RKSimon]

LGTM