[llc] Provide opt like verifier options (llvm#106665)

paperchalice · web-flow · commit 69657eb7f676 · 2024-09-04T17:37:34.000+08:00
- Support `verify-each` option.
- Default behavior is verifying output only.
diff --git a/llvm/include/llvm/Passes/CodeGenPassBuilder.h b/llvm/include/llvm/Passes/CodeGenPassBuilder.h
@@ -548,6 +548,9 @@ Error CodeGenPassBuilder<Derived, TargetMachineT>::buildPipeline(
   if (auto Err = derived().addMachinePasses(addPass))
     return std::move(Err);
 
+  if (!Opt.DisableVerify)
+    addPass(MachineVerifierPass());
+
   if (PrintAsm) {
     derived().addAsmPrinter(
         addPass, [this, &Out, DwoOut, FileType](MCContext &Ctx) {
diff --git a/llvm/test/CodeGen/AArch64/PHIElimination-crash.mir b/llvm/test/CodeGen/AArch64/PHIElimination-crash.mir
@@ -1,7 +1,7 @@
 # RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o /dev/null %s \
 # RUN:   -run-pass=livevars,phi-node-elimination,twoaddressinstruction \
 # RUN:   -no-phi-elim-live-out-early-exit=1 -phi-elim-split-all-critical-edges=1
-# RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o /dev/null %s \
+# RUN: llc -mtriple=aarch64-linux-gnu -verify-each -o /dev/null %s \
 # RUN:   --passes='require<live-vars>,phi-node-elimination,two-address-instruction' \
 # RUN:   -no-phi-elim-live-out-early-exit=1 -phi-elim-split-all-critical-edges=1
 
diff --git a/llvm/test/CodeGen/AArch64/PHIElimination-debugloc.mir b/llvm/test/CodeGen/AArch64/PHIElimination-debugloc.mir
@@ -2,7 +2,7 @@
 # RUN:   -run-pass=livevars,phi-node-elimination,twoaddressinstruction \
 # RUN:   -no-phi-elim-live-out-early-exit=1 -phi-elim-split-all-critical-edges=1 \
 # RUN: | FileCheck %s
-# RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s \
+# RUN: llc -mtriple=aarch64-linux-gnu -verify-each -o - %s \
 # RUN:   --passes='require<live-vars>,phi-node-elimination,two-address-instruction' \
 # RUN:   -no-phi-elim-live-out-early-exit=1 -phi-elim-split-all-critical-edges=1 \
 # RUN: | FileCheck %s
diff --git a/llvm/test/CodeGen/AArch64/statepoint-twoaddr.mir b/llvm/test/CodeGen/AArch64/statepoint-twoaddr.mir
@@ -1,6 +1,6 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -mtriple=aarch64-unknown-linux -run-pass=twoaddressinstruction -verify-machineinstrs %s -o - | FileCheck %s
-# RUN: llc -mtriple=aarch64-unknown-linux --passes=two-address-instruction %s -o - | FileCheck %s
+# RUN: llc -mtriple=aarch64-unknown-linux --passes=two-address-instruction -verify-each %s -o - | FileCheck %s
 # REQUIRES: aarch64-registered-target
 
 # Verify that the register class is correctly constrained after the twoaddress replacement
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/twoaddr-extract-dyn-v7f64.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/twoaddr-extract-dyn-v7f64.mir
@@ -1,6 +1,6 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
 # RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -early-live-intervals -run-pass=liveintervals -run-pass=twoaddressinstruction -verify-machineinstrs -o - %s | FileCheck %s
-# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -passes='require<live-intervals>,two-address-instruction' -o - %s | FileCheck %s
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -passes='require<live-intervals>,two-address-instruction' -verify-each -o - %s | FileCheck %s
 
 ---
 name:            dyn_extract_v7f64_v_v
diff --git a/llvm/test/CodeGen/AMDGPU/early-lis-two-address-partial-def.mir b/llvm/test/CodeGen/AMDGPU/early-lis-two-address-partial-def.mir
@@ -1,6 +1,6 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
 # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a -run-pass=liveintervals -run-pass=twoaddressinstruction -verify-machineinstrs -o - %s | FileCheck --check-prefix=GFX90A %s
-# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a --passes='require<live-intervals>,two-address-instruction' -o - %s | FileCheck --check-prefix=GFX90A %s
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a --passes='require<live-intervals>,two-address-instruction' -verify-each -o - %s | FileCheck --check-prefix=GFX90A %s
 
 ---
 name:            aligned_partial_vgpr_64
diff --git a/llvm/test/CodeGen/AMDGPU/gfx10-twoaddr-fma.mir b/llvm/test/CodeGen/AMDGPU/gfx10-twoaddr-fma.mir
@@ -1,5 +1,5 @@
 # RUN: llc -mtriple=amdgcn -mcpu=gfx1010 %s -run-pass twoaddressinstruction -verify-machineinstrs -o - | FileCheck --check-prefixes=GFX10 %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 %s --passes=two-address-instruction -o - | FileCheck --check-prefixes=GFX10 %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 %s --passes=two-address-instruction -verify-each -o - | FileCheck --check-prefixes=GFX10 %s
 
 # GFX10-LABEL: name: test_fmamk_reg_imm_f16
 # GFX10: %2:vgpr_32 = IMPLICIT_DEF
diff --git a/llvm/test/CodeGen/AMDGPU/gfx11-twoaddr-fma.mir b/llvm/test/CodeGen/AMDGPU/gfx11-twoaddr-fma.mir
@@ -1,6 +1,6 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s -run-pass twoaddressinstruction -verify-machineinstrs -o - | FileCheck --check-prefixes=GFX11 %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s --passes=two-address-instruction -verify-machineinstrs -o - | FileCheck --check-prefixes=GFX11 %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s --passes=two-address-instruction -verify-each -o - | FileCheck --check-prefixes=GFX11 %s
 
 ---
 name:            test_fmamk_reg_imm_f16
diff --git a/llvm/test/CodeGen/AMDGPU/phi-elimination-end-cf.mir b/llvm/test/CodeGen/AMDGPU/phi-elimination-end-cf.mir
@@ -1,5 +1,5 @@
 # RUN: llc -mtriple amdgcn -run-pass livevars -run-pass phi-node-elimination -verify-machineinstrs -o - %s | FileCheck %s
-# RUN: llc -mtriple amdgcn --passes='require<live-vars>,phi-node-elimination' -o - %s | FileCheck %s
+# RUN: llc -mtriple amdgcn --passes='require<live-vars>,phi-node-elimination' -verify-each -o - %s | FileCheck %s
 
 # CHECK-LABEL:  phi-cf-test
 # CHECK: bb.0:
diff --git a/llvm/test/CodeGen/AMDGPU/split-mbb-lis-subrange.mir b/llvm/test/CodeGen/AMDGPU/split-mbb-lis-subrange.mir
@@ -1,6 +1,6 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
 # RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs -run-pass liveintervals,phi-node-elimination -o - %s | FileCheck -check-prefixes=GCN %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 --passes='require<live-intervals>,phi-node-elimination' -o - %s | FileCheck -check-prefixes=GCN %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 --passes='require<live-intervals>,phi-node-elimination' -verify-each -o - %s | FileCheck -check-prefixes=GCN %s
 
 # This checks liveintervals pass verification and phi-node-elimination correctly preserves them.
 
diff --git a/llvm/test/CodeGen/AMDGPU/stale-livevar-in-twoaddr-pass.mir b/llvm/test/CodeGen/AMDGPU/stale-livevar-in-twoaddr-pass.mir
@@ -1,5 +1,5 @@
 # RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=livevars,phi-node-elimination,twoaddressinstruction -verify-machineinstrs -o - %s | FileCheck %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx900 --passes='require<live-vars>,phi-node-elimination,two-address-instruction' -verify-machineinstrs -o - %s | FileCheck %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx900 --passes='require<live-vars>,phi-node-elimination,two-address-instruction' -verify-each -o - %s | FileCheck %s
 # This used to fail under ASAN enabled build because we didn't update LiveVariables in SIInstrInfo::convertToThreeAddress()
 # CHECK: _amdgpu_ps_main
 
diff --git a/llvm/test/CodeGen/AMDGPU/twoaddr-fma-f64.mir b/llvm/test/CodeGen/AMDGPU/twoaddr-fma-f64.mir
@@ -1,5 +1,5 @@
 # RUN: llc -mtriple=amdgcn -mcpu=gfx90a %s -run-pass twoaddressinstruction -verify-machineinstrs -o - | FileCheck -check-prefix=GCN %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx90a %s --passes=two-address-instruction -o - | FileCheck -check-prefix=GCN %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx90a %s --passes=two-address-instruction -verify-each -o - | FileCheck -check-prefix=GCN %s
 
 # GCN-LABEL: name: test_fmamk_reg_imm_f64
 # GCN: V_FMA_F64_e64 0, killed %0, 0, %2, 0, killed %1, 0, 0, implicit $mode, implicit $exec
diff --git a/llvm/test/CodeGen/AMDGPU/twoaddr-fma.mir b/llvm/test/CodeGen/AMDGPU/twoaddr-fma.mir
@@ -1,7 +1,7 @@
 # RUN: llc -mtriple=amdgcn -mcpu=gfx1010 %s -run-pass twoaddressinstruction -verify-machineinstrs -o - | FileCheck --check-prefixes=GCN %s
 # RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s -run-pass twoaddressinstruction -verify-machineinstrs -o - | FileCheck --check-prefixes=GCN %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 %s --passes=two-address-instruction -o - | FileCheck --check-prefixes=GCN %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s --passes=two-address-instruction -o - | FileCheck --check-prefixes=GCN %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 %s --passes=two-address-instruction -verify-each -o - | FileCheck --check-prefixes=GCN %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s --passes=two-address-instruction -verify-each -o - | FileCheck --check-prefixes=GCN %s
 
 # GCN-LABEL: name: test_fmamk_reg_imm_f32
 # GCN: %2:vgpr_32 = IMPLICIT_DEF
diff --git a/llvm/test/CodeGen/AMDGPU/twoaddr-mad.mir b/llvm/test/CodeGen/AMDGPU/twoaddr-mad.mir
@@ -1,5 +1,5 @@
 # RUN: llc -mtriple=amdgcn -mcpu=gfx900 %s -run-pass twoaddressinstruction -verify-machineinstrs -o - | FileCheck -check-prefix=GCN %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx900 %s --passes=two-address-instruction -o - | FileCheck -check-prefix=GCN %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx900 %s --passes=two-address-instruction -verify-each -o - | FileCheck -check-prefix=GCN %s
 
 # GCN-LABEL: name: test_madmk_reg_imm_f32
 # GCN: V_MADMK_F32 killed %0.sub0, 1078523331, killed %1, implicit $mode, implicit $exec
diff --git a/llvm/test/CodeGen/AMDGPU/twoaddr-wmma.mir b/llvm/test/CodeGen/AMDGPU/twoaddr-wmma.mir
@@ -1,5 +1,5 @@
 # RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s -run-pass twoaddressinstruction -verify-machineinstrs -o - | FileCheck -check-prefix=GCN %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s --passes=two-address-instruction -o - | FileCheck -check-prefix=GCN %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 %s --passes=two-address-instruction -verify-each -o - | FileCheck -check-prefix=GCN %s
 
 # GCN-LABEL: name: test_v_wmma_f32_16x16x16_f16_twoaddr_w32
 # GCN: early-clobber %2:vreg_256 = V_WMMA_F32_16X16X16_F16_threeaddr_w32 8, killed %1, 8, killed %1, 8, %0, 0, 0, implicit $exec
diff --git a/llvm/test/CodeGen/Hexagon/two-addr-tied-subregs.mir b/llvm/test/CodeGen/Hexagon/two-addr-tied-subregs.mir
@@ -1,5 +1,5 @@
 # RUN: llc -march hexagon -run-pass livevars -run-pass twoaddressinstruction  -verify-machineinstrs -o - %s | FileCheck %s
-# RUN: llc -march hexagon --passes='require<live-vars>,two-address-instruction' -o - %s | FileCheck %s
+# RUN: llc -march hexagon --passes='require<live-vars>,two-address-instruction' -verify-each -o - %s | FileCheck %s
 
 
 ###############################################################################
diff --git a/llvm/test/CodeGen/PowerPC/2013-07-01-PHIElimBug.mir b/llvm/test/CodeGen/PowerPC/2013-07-01-PHIElimBug.mir
@@ -1,5 +1,5 @@
 # RUN: llc -mtriple powerpc64-unknown-linux-gnu -run-pass livevars -run-pass phi-node-elimination -verify-machineinstrs -o - %s | FileCheck %s
-# RUN: llc -mtriple powerpc64-unknown-linux-gnu --passes='require<live-vars>,phi-node-elimination' -o - %s | FileCheck %s
+# RUN: llc -mtriple powerpc64-unknown-linux-gnu --passes='require<live-vars>,phi-node-elimination' -verify-each -o - %s | FileCheck %s
 
 # This test case was originally known as
 #   test/CodeGen/PowerPC/2013-07-01-PHIElimBug.ll
diff --git a/llvm/test/CodeGen/PowerPC/livevars-crash1.mir b/llvm/test/CodeGen/PowerPC/livevars-crash1.mir
@@ -2,7 +2,7 @@
 # RUN:   -run-pass=livevars,phi-node-elimination -verify-machineinstrs | \
 # RUN:  FileCheck %s
 # RUN: llc -mtriple powerpc64le-unknown-linux-gnu %s -o - 2>&1 \
-# RUN:   --passes='require<live-vars>,phi-node-elimination' | \
+# RUN:   --passes='require<live-vars>,phi-node-elimination' -verify-each | \
 # RUN:  FileCheck %s
 
 --- |
diff --git a/llvm/test/CodeGen/PowerPC/livevars-crash2.mir b/llvm/test/CodeGen/PowerPC/livevars-crash2.mir
@@ -2,7 +2,7 @@
 # RUN:   -run-pass=livevars,phi-node-elimination -verify-machineinstrs | \
 # RUN:   FileCheck %s
 # RUN: llc -mtriple powerpc64le-unknown-linux-gnu %s -o - 2>&1 \
-# RUN:   --passes='require<live-vars>,phi-node-elimination' | \
+# RUN:   --passes='require<live-vars>,phi-node-elimination' -verify-each | \
 # RUN:   FileCheck %s
 
 --- |
diff --git a/llvm/test/CodeGen/X86/distancemap.mir b/llvm/test/CodeGen/X86/distancemap.mir
@@ -1,6 +1,6 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc %s -o - -mtriple=x86_64-unknown-linux -run-pass=twoaddressinstruction -verify-machineinstrs | FileCheck %s
-# RUN: llc %s -o - -mtriple=x86_64-unknown-linux --passes=two-address-instruction | FileCheck %s
+# RUN: llc %s -o - -mtriple=x86_64-unknown-linux --passes=two-address-instruction -verify-each | FileCheck %s
 
 # In TwoAddressInstructionPass, new instructions should be added to DistanceMap.
 # In this case, function convertInstTo3Addr is called on the first ADD
diff --git a/llvm/test/CodeGen/X86/phielim-undef.mir b/llvm/test/CodeGen/X86/phielim-undef.mir
@@ -1,6 +1,6 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -mtriple=x86_64-- -verify-machineinstrs -o - %s -run-pass=livevars,phi-node-elimination,twoaddressinstruction | FileCheck %s
-# RUN: llc -mtriple=x86_64-- -verify-machineinstrs -o - %s --passes='require<live-vars>,phi-node-elimination,two-address-instruction' | FileCheck %s
+# RUN: llc -mtriple=x86_64-- -verify-machineinstrs -o - %s --passes='require<live-vars>,phi-node-elimination,two-address-instruction' -verify-each | FileCheck %s
 
 --- |
   @b114 = external global i16, align 1
diff --git a/llvm/test/CodeGen/X86/twoaddr-mul2.mir b/llvm/test/CodeGen/X86/twoaddr-mul2.mir
@@ -1,6 +1,6 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -mtriple=x86_64-unknown -mcpu=haswell -run-pass=twoaddressinstruction -verify-machineinstrs %s -o - | FileCheck %s
-# RUN: llc -mtriple=x86_64-unknown -mcpu=haswell --passes=two-address-instruction -verify-machineinstrs %s -o - | FileCheck %s
+# RUN: llc -mtriple=x86_64-unknown -mcpu=haswell --passes=two-address-instruction -verify-each %s -o - | FileCheck %s
 
 # Check that we don't have any uses of [[COPY]] after it is killed.
 ---
diff --git a/llvm/test/tools/llc/new-pm/pipeline.mir b/llvm/test/tools/llc/new-pm/pipeline.mir
@@ -1,7 +1,7 @@
 # RUN: llc -mtriple=x86_64-pc-linux-gnu -x mir -passes=no-op-machine-function --print-pipeline-passes -filetype=null < %s | FileCheck %s --match-full-lines
 # RUN: llc -mtriple=x86_64-pc-linux-gnu -x mir -passes='require<machine-dom-tree>,print<machine-dom-tree>' -print-pipeline-passes < %s | FileCheck --check-prefix=ANALYSIS %s
 
-# CHECK: function(machine-function(no-op-machine-function)),PrintMIRPreparePass,function(machine-function(print))
+# CHECK: function(machine-function(no-op-machine-function)),PrintMIRPreparePass,function(machine-function(verify,print))
 
 # ANALYSIS: require<machine-dom-tree>,print<machine-dom-tree>
 
diff --git a/llvm/test/tools/llc/new-pm/verify.mir b/llvm/test/tools/llc/new-pm/verify.mir
@@ -1,4 +1,4 @@
-# RUN: not --crash llc -mtriple=x86_64-pc-linux-gnu -debug-pass-manager -passes='module(function(machine-function(trigger-verifier-error)))' -filetype=null %s 2>&1 | FileCheck %s
+# RUN: not --crash llc -mtriple=x86_64-pc-linux-gnu -debug-pass-manager -passes='module(function(machine-function(trigger-verifier-error)))' -verify-each -filetype=null %s 2>&1 | FileCheck %s
 
 # CHECK: Verifying machine function f
 # CHECK: Broken machine function found after pass "TriggerVerifierErrorPass"
diff --git a/llvm/tools/llc/NewPMDriver.cpp b/llvm/tools/llc/NewPMDriver.cpp
@@ -18,8 +18,10 @@
 #include "llvm/CodeGen/CommandFlags.h"
 #include "llvm/CodeGen/MIRParser/MIRParser.h"
 #include "llvm/CodeGen/MIRPrinter.h"
+#include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/MachinePassManager.h"
+#include "llvm/CodeGen/MachineVerifier.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/IR/DiagnosticInfo.h"
 #include "llvm/IR/DiagnosticPrinter.h"
@@ -29,7 +31,6 @@
 #include "llvm/IR/PassManager.h"
 #include "llvm/IR/Verifier.h"
 #include "llvm/IRReader/IRReader.h"
-#include "llvm/Passes/CodeGenPassBuilder.h" // TODO: Include pass headers properly.
 #include "llvm/Passes/PassBuilder.h"
 #include "llvm/Passes/StandardInstrumentations.h"
 #include "llvm/Support/CommandLine.h"
@@ -88,7 +89,7 @@ int llvm::compileModuleWithNewPM(
     StringRef Arg0, std::unique_ptr<Module> M, std::unique_ptr<MIRParser> MIR,
     std::unique_ptr<TargetMachine> Target, std::unique_ptr<ToolOutputFile> Out,
     std::unique_ptr<ToolOutputFile> DwoOut, LLVMContext &Context,
-    const TargetLibraryInfoImpl &TLII, bool NoVerify, StringRef PassPipeline,
+    const TargetLibraryInfoImpl &TLII, VerifierKind VK, StringRef PassPipeline,
     CodeGenFileType FileType) {
 
   if (!PassPipeline.empty() && TargetPassConfig::hasLimitedCodeGenPipeline()) {
@@ -104,14 +105,15 @@ int llvm::compileModuleWithNewPM(
 
   // Fetch options from TargetPassConfig
   CGPassBuilderOption Opt = getCGPassBuilderOption();
-  Opt.DisableVerify = NoVerify;
+  Opt.DisableVerify = VK != VerifierKind::InputOutput;
   Opt.DebugPM = DebugPM;
   Opt.RegAlloc = RegAlloc;
 
   MachineModuleInfo MMI(&LLVMTM);
 
   PassInstrumentationCallbacks PIC;
-  StandardInstrumentations SI(Context, Opt.DebugPM, !NoVerify);
+  StandardInstrumentations SI(Context, Opt.DebugPM,
+                              VK == VerifierKind::EachPass);
   registerCodeGenCallback(PIC, LLVMTM);
 
   MachineFunctionAnalysisManager MFAM;
@@ -147,6 +149,8 @@ int llvm::compileModuleWithNewPM(
     ExitOnErr(PB.parsePassPipeline(MPM, PassPipeline));
     MPM.addPass(PrintMIRPreparePass(*OS));
     MachineFunctionPassManager MFPM;
+    if (VK == VerifierKind::InputOutput)
+      MFPM.addPass(MachineVerifierPass());
     MFPM.addPass(PrintMIRPass(*OS));
     FPM.addPass(createFunctionToMachineFunctionPassAdaptor(std::move(MFPM)));
     MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
diff --git a/llvm/tools/llc/NewPMDriver.h b/llvm/tools/llc/NewPMDriver.h
@@ -32,6 +32,8 @@ class ToolOutputFile;
 class LLVMContext;
 class MIRParser;
 
+enum class VerifierKind { None, InputOutput, EachPass };
+
 struct LLCDiagnosticHandler : public DiagnosticHandler {
   bool handleDiagnostics(const DiagnosticInfo &DI) override;
 };
@@ -42,7 +44,7 @@ int compileModuleWithNewPM(StringRef Arg0, std::unique_ptr<Module> M,
                            std::unique_ptr<ToolOutputFile> Out,
                            std::unique_ptr<ToolOutputFile> DwoOut,
                            LLVMContext &Context,
-                           const TargetLibraryInfoImpl &TLII, bool NoVerify,
+                           const TargetLibraryInfoImpl &TLII, VerifierKind VK,
                            StringRef PassPipeline, CodeGenFileType FileType);
 } // namespace llvm
 
diff --git a/llvm/tools/llc/llc.cpp b/llvm/tools/llc/llc.cpp
@@ -130,6 +130,9 @@ static cl::opt<std::string> SplitDwarfFile(
 static cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
                               cl::desc("Do not verify input module"));
 
+static cl::opt<bool> VerifyEach("verify-each",
+                                cl::desc("Verify after each transform"));
+
 static cl::opt<bool>
     DisableSimplifyLibCalls("disable-simplify-libcalls",
                             cl::desc("Disable simplify-libcalls"));
@@ -647,10 +650,16 @@ static int compileModule(char **argv, LLVMContext &Context) {
     WithColor::warning(errs(), argv[0])
         << ": warning: ignoring -mc-relax-all because filetype != obj";
 
+  VerifierKind VK = VerifierKind::InputOutput;
+  if (NoVerify)
+    VK = VerifierKind::None;
+  else if (VerifyEach)
+    VK = VerifierKind::EachPass;
+
   if (EnableNewPassManager || !PassPipeline.empty()) {
     return compileModuleWithNewPM(argv[0], std::move(M), std::move(MIR),
                                   std::move(Target), std::move(Out),
-                                  std::move(DwoOut), Context, TLII, NoVerify,
+                                  std::move(DwoOut), Context, TLII, VK,
                                   PassPipeline, codegen::getFileType());
   }
 
