Author: Joshua Cranmer Date: 2023-09-13T08:57:10-07:00 New Revision: bf492371033378cec4c0443a3f87db0f818bbade
URL: https://github.com/llvm/llvm-project/commit/bf492371033378cec4c0443a3f87db0f818bbade DIFF: https://github.com/llvm/llvm-project/commit/bf492371033378cec4c0443a3f87db0f818bbade.diff LOG: [Clang] Enable -print-pipeline-passes in clang. Reviewed By: arsenm, aeubanks Differential Revision: https://reviews.llvm.org/D127221 Added: clang/test/CodeGen/print-pipeline-passes.c Modified: clang/lib/CodeGen/BackendUtil.cpp Removed: ################################################################################ diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index 2f649678b4f20df..04cb9064dc789a3 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -91,6 +91,7 @@ using namespace llvm; namespace llvm { extern cl::opt<bool> DebugInfoCorrelate; +extern cl::opt<bool> PrintPipelinePasses; // Experiment to move sanitizers earlier. static cl::opt<bool> ClSanitizeOnOptimizerEarlyEP( @@ -1090,6 +1091,17 @@ void EmitAssemblyHelper::RunOptimizationPipeline( TheModule->addModuleFlag(Module::Error, "UnifiedLTO", uint32_t(1)); } + // Print a textual, '-passes=' compatible, representation of pipeline if + // requested. + if (PrintPipelinePasses) { + MPM.printPipeline(outs(), [&PIC](StringRef ClassName) { + auto PassName = PIC.getPassNameForClassName(ClassName); + return PassName.empty() ? ClassName : PassName; + }); + outs() << "\n"; + return; + } + // Now that we have all of the passes ready, run them. { PrettyStackTraceString CrashInfo("Optimizer"); @@ -1127,6 +1139,13 @@ void EmitAssemblyHelper::RunCodegenPipeline( return; } + // If -print-pipeline-passes is requested, don't run the legacy pass manager. + // FIXME: when codegen is switched to use the new pass manager, it should also + // emit pass names here. + if (PrintPipelinePasses) { + return; + } + { PrettyStackTraceString CrashInfo("Code generation"); llvm::TimeTraceScope TimeScope("CodeGenPasses"); diff --git a/clang/test/CodeGen/print-pipeline-passes.c b/clang/test/CodeGen/print-pipeline-passes.c new file mode 100644 index 000000000000000..904d2416bc9e19f --- /dev/null +++ b/clang/test/CodeGen/print-pipeline-passes.c @@ -0,0 +1,9 @@ +// Test that -print-pipeline-passes works in Clang + +// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -mllvm -print-pipeline-passes -O0 %s 2>&1 | FileCheck %s + +// Don't try to check all passes, just a few to make sure that something is +// actually printed. +// CHECK: always-inline +// CHECK-SAME: annotation-remarks +void Foo(void) {} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits