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[PM] Push the debug option for the new pass manager into the opt tool

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and expose the necessary hooks in the API directly.

This makes it much cleaner for example to log the usage of a pass
manager from a library. It also makes it more obvious that this
functionality isn't "optional" or "asserts-only" for the pass manager.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225841 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2015-01-13 22:42:38 +00:00
parent f38f71d8a0
commit 3c95d9ccc0
5 changed files with 70 additions and 52 deletions
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14
tools/opt/NewPMDriver.cpp
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@@ -30,12 +30,16 @@
using namespace llvm;
using namespace opt_tool;
static cl::opt<bool>
DebugPM("debug-pass-manager", cl::Hidden,
cl::desc("Print pass management debugging information"));
bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
tool_output_file *Out, StringRef PassPipeline,
OutputKind OK, VerifierKind VK) {
FunctionAnalysisManager FAM;
CGSCCAnalysisManager CGAM;
ModuleAnalysisManager MAM;
FunctionAnalysisManager FAM(DebugPM);
CGSCCAnalysisManager CGAM(DebugPM);
ModuleAnalysisManager MAM(DebugPM);
// Register all the basic analyses with the managers.
registerModuleAnalyses(MAM);
@@ -50,11 +54,11 @@ bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
FAM.registerPass(CGSCCAnalysisManagerFunctionProxy(CGAM));
FAM.registerPass(ModuleAnalysisManagerFunctionProxy(MAM));
ModulePassManager MPM;
ModulePassManager MPM(DebugPM);
if (VK > VK_NoVerifier)
MPM.addPass(VerifierPass());
if (!parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass)) {
if (!parsePassPipeline(MPM, PassPipeline, VK == VK_VerifyEachPass, DebugPM)) {
errs() << Arg0 << ": unable to parse pass pipeline description.\n";
return false;
}