[CodeGen] Update DwarfEHPreparePass references in CodeGenPassBuilder.h

llvm/include/llvm/CodeGen/CodeGenPassBuilder.h

@@ -23,6 +23,7 @@
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Analysis/TypeBasedAliasAnalysis.h"
 #include "llvm/CodeGen/CallBrPrepare.h"
+#include "llvm/CodeGen/DwarfEHPrepare.h"
 #include "llvm/CodeGen/ExpandReductions.h"
 #include "llvm/CodeGen/MachinePassManager.h"
 #include "llvm/CodeGen/PreISelIntrinsicLowering.h"
@@ -677,14 +678,14 @@ void CodeGenPassBuilder<Derived>::addPassesToHandleExceptions(
   case ExceptionHandling::DwarfCFI:
   case ExceptionHandling::ARM:
   case ExceptionHandling::AIX:
-    addPass(DwarfEHPass(getOptLevel()));
+    addPass(DwarfEHPreparePass(&TM));
     break;
   case ExceptionHandling::WinEH:
     // We support using both GCC-style and MSVC-style exceptions on Windows, so
     // add both preparation passes. Each pass will only actually run if it
     // recognizes the personality function.
     addPass(WinEHPreparePass());
-    addPass(DwarfEHPass(getOptLevel()));
+    addPass(DwarfEHPreparePass(&TM));
     break;
   case ExceptionHandling::Wasm:
     // Wasm EH uses Windows EH instructions, but it does not need to demote PHIs

llvm/include/llvm/CodeGen/MachinePassRegistry.def

@@ -38,6 +38,7 @@ FUNCTION_ANALYSIS("targetir", TargetIRAnalysis,
 #endif
 FUNCTION_PASS("callbrprepare", CallBrPreparePass, ())
 FUNCTION_PASS("consthoist", ConstantHoistingPass, ())
+FUNCTION_PASS("dwarf-eh-prepare", DwarfEHPreparePass, (TM))
 FUNCTION_PASS("ee-instrument", EntryExitInstrumenterPass, (false))
 FUNCTION_PASS("expand-large-div-rem", ExpandLargeDivRemPass, ())
 FUNCTION_PASS("expand-large-fp-convert", ExpandLargeFpConvertPass, ())
@@ -122,7 +123,6 @@ DUMMY_FUNCTION_PASS("atomic-expand", AtomicExpandPass, ())
 DUMMY_FUNCTION_PASS("cfguard-check", CFGuardCheckPass, ())
 DUMMY_FUNCTION_PASS("cfguard-dispatch", CFGuardDispatchPass, ())
 DUMMY_FUNCTION_PASS("codegenprepare", CodeGenPreparePass, ())
-DUMMY_FUNCTION_PASS("dwarfehprepare", DwarfEHPass, ())
 DUMMY_FUNCTION_PASS("expandmemcmp", ExpandMemCmpPass, ())
 DUMMY_FUNCTION_PASS("gc-info-printer", GCInfoPrinterPass, ())
 DUMMY_FUNCTION_PASS("gc-lowering", GCLoweringPass, ())

llvm/lib/CodeGen/DwarfEHPrepare.cpp

@@ -42,7 +42,7 @@
 
 using namespace llvm;
 
-#define DEBUG_TYPE "dwarfehprepare"
+#define DEBUG_TYPE "dwarf-eh-prepare"
 
 STATISTIC(NumResumesLowered, "Number of resume calls lowered");
 STATISTIC(NumCleanupLandingPadsUnreachable,

llvm/lib/Passes/PassRegistry.def

@@ -302,7 +302,7 @@ FUNCTION_PASS("dot-dom-only", DomOnlyPrinter())
 FUNCTION_PASS("dot-post-dom", PostDomPrinter())
 FUNCTION_PASS("dot-post-dom-only", PostDomOnlyPrinter())
 FUNCTION_PASS("dse", DSEPass())
-FUNCTION_PASS("dwarfehprepare", DwarfEHPreparePass(TM))
+FUNCTION_PASS("dwarf-eh-prepare", DwarfEHPreparePass(TM))
 FUNCTION_PASS("expand-large-div-rem", ExpandLargeDivRemPass(TM))
 FUNCTION_PASS("expand-large-fp-convert", ExpandLargeFpConvertPass(TM))
 FUNCTION_PASS("fix-irreducible", FixIrreduciblePass())

llvm/test/CodeGen/Generic/opt-codegen-no-target-machine.ll

@@ -1,3 +1,3 @@
-; RUN: not --crash opt %s -dwarfehprepare -o - 2>&1 | FileCheck %s
+; RUN: not --crash opt %s -dwarf-eh-prepare -o - 2>&1 | FileCheck %s
 
 ; CHECK: Trying to construct TargetPassConfig without a target machine. Scheduling a CodeGen pass without a target triple set?

llvm/test/CodeGen/Mips/compactbranches/beqc-bnec-register-constraint.ll

@@ -1,5 +1,5 @@
-; RUN: llc -march=mips -mcpu=mips32r6 -O1 -start-after=dwarfehprepare < %s | FileCheck %s
-; RUN: llc -march=mips64 -mcpu=mips64r6 -O1 -start-after=dwarfehprepare < %s | FileCheck %s
+; RUN: llc -march=mips -mcpu=mips32r6 -O1 -start-after=dwarf-eh-prepare < %s | FileCheck %s
+; RUN: llc -march=mips64 -mcpu=mips64r6 -O1 -start-after=dwarf-eh-prepare < %s | FileCheck %s
 
 
 ; beqc/bnec have the constraint that $rs < $rt && $rs != 0 && $rt != 0

llvm/test/CodeGen/X86/dwarf-eh-prepare-dbg.ll

@@ -1,6 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -mtriple=x86_64-linux-gnu -dwarfehprepare < %s | FileCheck %s
-; RUN: opt -S -mtriple=x86_64-linux-gnu -passes=dwarfehprepare < %s | FileCheck %s
+; RUN: opt -S -mtriple=x86_64-linux-gnu -dwarf-eh-prepare < %s | FileCheck %s
+; RUN: opt -S -mtriple=x86_64-linux-gnu -passes=dwarf-eh-prepare < %s | FileCheck %s
 
 ; PR57469: If _Unwind_Resume is defined in the same module and we have debug
 ; info, then the inserted _Unwind_Resume calls also need to have a dummy debug

llvm/test/CodeGen/X86/dwarf-eh-prepare.ll

@@ -1,5 +1,5 @@
-; RUN: opt -mtriple=x86_64-linux-gnu -dwarfehprepare -simplifycfg-require-and-preserve-domtree=1 -run-twice < %s -S | FileCheck %s
-; RUN: opt -mtriple=x86_64-linux-gnu -passes=dwarfehprepare -codegen-opt-level=2 -simplifycfg-require-and-preserve-domtree=1 -run-twice < %s -S | FileCheck %s
+; RUN: opt -mtriple=x86_64-linux-gnu -dwarf-eh-prepare -simplifycfg-require-and-preserve-domtree=1 -run-twice < %s -S | FileCheck %s
+; RUN: opt -mtriple=x86_64-linux-gnu -passes=dwarf-eh-prepare -codegen-opt-level=2 -simplifycfg-require-and-preserve-domtree=1 -run-twice < %s -S | FileCheck %s
 
 ; Check basic functionality of IR-to-IR DWARF EH preparation. This should
 ; eliminate resumes. This pass requires a TargetMachine, so we put it under X86

llvm/test/CodeGen/X86/dwarf_eh_resume.ll

@@ -1,5 +1,5 @@
-; RUN: opt -mtriple=x86_64-linux-gnu -dwarfehprepare -S %s | FileCheck %s
-; RUN: opt -mtriple=x86_64-linux-gnu -passes=dwarfehprepare -S %s | FileCheck %s
+; RUN: opt -mtriple=x86_64-linux-gnu -dwarf-eh-prepare -S %s | FileCheck %s
+; RUN: opt -mtriple=x86_64-linux-gnu -passes=dwarf-eh-prepare -S %s | FileCheck %s
 
 declare i32 @hoge(...)
 

llvm/tools/opt/opt.cpp

@@ -339,7 +339,8 @@ static bool shouldPinPassToLegacyPM(StringRef Pass) {
       "nvptx-",  "mips-",  "lanai-", "hexagon-", "bpf-",    "avr-",
       "thumb2-", "arm-",   "si-",    "gcn-",     "amdgpu-", "aarch64-",
       "amdgcn-", "polly-", "riscv-", "dxil-"};
-  std::vector<StringRef> PassNameContain = {"ehprepare"};
+  // TODO: remove "ehprepare"
+  std::vector<StringRef> PassNameContain = {"-eh-prepare", "ehprepare"};
   std::vector<StringRef> PassNameExact = {
       "safe-stack",
       "cost-model",