[opt] Remove -analyze option

This is legacy PM-specific, which is deprecated.

Uses of this should be replaced with a corresponding `-passes='print<foo>'`.

Reviewed By: asbirlea

Differential Revision: https://reviews.llvm.org/D122420

Author: aeubanks

llvm/tools/opt/CMakeLists.txt

@@ -32,7 +32,6 @@ add_llvm_tool(opt
   BreakpointPrinter.cpp
   GraphPrinters.cpp
   NewPMDriver.cpp
-  PassPrinters.cpp
   PrintSCC.cpp
   opt.cpp
 

llvm/tools/opt/NewPMDriver.cpp

@@ -13,7 +13,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "NewPMDriver.h"
-#include "PassPrinters.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Analysis/AliasAnalysis.h"

llvm/tools/opt/PassPrinters.cpp

@@ -13,7 +13,6 @@
 
 #include "BreakpointPrinter.h"
 #include "NewPMDriver.h"
-#include "PassPrinters.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/Analysis/CallGraph.h"
 #include "llvm/Analysis/CallGraphSCCPass.h"
@@ -199,10 +198,6 @@ DisableBuiltins("disable-builtin",
                 cl::desc("Disable specific target library builtin function"),
                 cl::ZeroOrMore);
 
-static cl::opt<bool>
-    AnalyzeOnly("analyze", cl::desc("Only perform analysis, no optimization. "
-                                    "Legacy pass manager only."));
-
 static cl::opt<bool> EnableDebugify(
     "enable-debugify",
     cl::desc(
@@ -603,11 +598,6 @@ int main(int argc, char **argv) {
 
   LLVMContext Context;
 
-  if (AnalyzeOnly && NoOutput) {
-    errs() << argv[0] << ": analyze mode conflicts with no-output mode.\n";
-    return 1;
-  }
-
   // If `-passes=` is specified, use NPM.
   // If `-enable-new-pm` is specified and there are no codegen passes, use NPM.
   // e.g. `-enable-new-pm -sroa` will use NPM.
@@ -756,7 +746,7 @@ int main(int argc, char **argv) {
   // If the output is set to be emitted to standard out, and standard out is a
   // console, print out a warning message and refuse to do it.  We don't
   // impress anyone by spewing tons of binary goo to a terminal.
-  if (!Force && !NoOutput && !AnalyzeOnly && !OutputAssembly)
+  if (!Force && !NoOutput && !OutputAssembly)
     if (CheckBitcodeOutputToConsole(Out->os()))
       NoOutput = true;
 
@@ -783,13 +773,6 @@ int main(int argc, char **argv) {
   }
 
   if (UseNPM) {
-    if (AnalyzeOnly) {
-      errs() << "Cannot specify -analyze under new pass manager, either "
-                "specify '-enable-new-pm=0', or use the corresponding new pass "
-                "manager pass, e.g. '-passes=print<scalar-evolution>'. For a "
-                "full list of passes, see the '--print-passes' flag.\n";
-      return 1;
-    }
     if (legacy::debugPassSpecified()) {
       errs()
           << "-debug-pass does not work with the new PM, either use "
@@ -963,30 +946,8 @@ int main(int argc, char **argv) {
     else
       errs() << argv[0] << ": cannot create pass: "
              << PassInf->getPassName() << "\n";
-    if (P) {
-      PassKind Kind = P->getPassKind();
+    if (P)
       addPass(Passes, P);
-
-      if (AnalyzeOnly) {
-        switch (Kind) {
-        case PT_Region:
-          Passes.add(createRegionPassPrinter(PassInf, Out->os()));
-          break;
-        case PT_Loop:
-          Passes.add(createLoopPassPrinter(PassInf, Out->os()));
-          break;
-        case PT_Function:
-          Passes.add(createFunctionPassPrinter(PassInf, Out->os()));
-          break;
-        case PT_CallGraphSCC:
-          Passes.add(createCallGraphPassPrinter(PassInf, Out->os()));
-          break;
-        default:
-          Passes.add(createModulePassPrinter(PassInf, Out->os()));
-          break;
-        }
-      }
-    }
   }
 
   if (OptLevelO0)
@@ -1039,7 +1000,7 @@ int main(int argc, char **argv) {
   std::unique_ptr<raw_svector_ostream> BOS;
   raw_ostream *OS = nullptr;
 
-  const bool ShouldEmitOutput = !NoOutput && !AnalyzeOnly;
+  const bool ShouldEmitOutput = !NoOutput;
 
   // Write bitcode or assembly to the output as the last step...
   if (ShouldEmitOutput || RunTwice) {

llvm/tools/opt/PassPrinters.h

@@ -24,7 +24,6 @@ executable("opt") {
     "BreakpointPrinter.cpp",
     "GraphPrinters.cpp",
     "NewPMDriver.cpp",
-    "PassPrinters.cpp",
     "PrintSCC.cpp",
     "opt.cpp",
   ]