[llvm] c4ac1d2 - [BPF][GlobalISel] select non-PreISelGenericOpcode (#75034)

[via llvm-commits]

Author: Yingchi Long
Date: 2023-12-12T16:19:34+08:00
New Revision: c4ac1d239fbc13c66d3eabdc24783ebb407c35e4

URL: https://github.com/llvm/llvm-project/commit/c4ac1d239fbc13c66d3eabdc24783ebb407c35e4
DIFF: https://github.com/llvm/llvm-project/commit/c4ac1d239fbc13c66d3eabdc24783ebb407c35e4.diff

LOG: [BPF][GlobalISel] select non-PreISelGenericOpcode (#75034)

This selects non-PreISelGenericOpcode as-is.

Depends on: #74999

Co-authored-by: Origami404 <Origami404 at foxmail.com>

Added: 
    

Modified: 
    llvm/lib/Target/BPF/GISel/BPFInstructionSelector.cpp
    llvm/test/CodeGen/BPF/GlobalISel/ir-translator-ret.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/BPF/GISel/BPFInstructionSelector.cpp b/llvm/lib/Target/BPF/GISel/BPFInstructionSelector.cpp
index 1effeb7a57b13b..c7db93a260c473 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 7a014f7841fc87..031e82dcb67bde 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
 }