[BPF][GlobalISel] select non-PreISelGenericOpcode

[inclyc]

This selects non-PreISelGenericOpcode as-is.

Depends on: #74999

[llvmbot]

@llvm/pr-subscribers-llvm-globalisel

Author: Yingchi Long (inclyc)

Changes

This selects non-PreISelGenericOpcode as-is.

---

Full diff: https://github.com/llvm/llvm-project/pull/75034.diff

2 Files Affected:

• (modified) llvm/lib/Target/BPF/GISel/BPFInstructionSelector.cpp (+2)
• (modified) llvm/test/CodeGen/BPF/GlobalISel/ir-translator-ret.ll (+5)

diff --git a/llvm/lib/Target/BPF/GISel/BPFInstructionSelector.cpp b/llvm/lib/Target/BPF/GISel/BPFInstructionSelector.cpp
index 1effeb7a57b13..c7db93a260c47 100644
--- a/llvm/lib/Target/BPF/GISel/BPFInstructionSelector.cpp
+++ b/llvm/lib/Target/BPF/GISel/BPFInstructionSelector.cpp
@@ -76,6 +76,8 @@ BPFInstructionSelector::BPFInstructionSelector(const BPFTargetMachine &TM,
 }
 
 bool BPFInstructionSelector::select(MachineInstr &I) {
+  if (!isPreISelGenericOpcode(I.getOpcode()))
+    return true;
   if (selectImpl(I, *CoverageInfo))
     return true;
   return false;
diff --git a/llvm/test/CodeGen/BPF/GlobalISel/ir-translator-ret.ll b/llvm/test/CodeGen/BPF/GlobalISel/ir-translator-ret.ll
index 7a014f7841fc8..031e82dcb67bd 100644
--- a/llvm/test/CodeGen/BPF/GlobalISel/ir-translator-ret.ll
+++ b/llvm/test/CodeGen/BPF/GlobalISel/ir-translator-ret.ll
@@ -1,7 +1,12 @@
 ; RUN: llc -mtriple=bpfel -global-isel -verify-machineinstrs -stop-after=irtranslator < %s | FileCheck %s
+; RUN: llc -mtriple=bpfel -global-isel -verify-machineinstrs < %s | FileCheck --check-prefix=ISEL %s
 
 ; CHECK: name: f
 ; CHECK: RET
 define void @f() {
+; ISEL-LABEL: f:
+; ISEL:       # %bb.0:
+; ISEL-NEXT:  exit
+; ISEL-NEXT: .Lfunc_end0:
   ret void
 }

[inclyc]

Landing this as it is trivial