diff options
| -rw-r--r-- | lib/CodeGen/EdgeBundles.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/EdgeBundles.cpp b/lib/CodeGen/EdgeBundles.cpp index d7e73d160e..aed8bc9479 100644 --- a/lib/CodeGen/EdgeBundles.cpp +++ b/lib/CodeGen/EdgeBundles.cpp @@ -15,10 +15,15 @@ #include "llvm/CodeGen/MachineBasicBlock.h" #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/Passes.h" +#include "llvm/Support/CommandLine.h" #include "llvm/Support/GraphWriter.h" using namespace llvm; +static cl::opt<bool> +ViewEdgeBundles("view-edge-bundles", cl::Hidden, + cl::desc("Pop up a window to show edge bundle graphs")); + char EdgeBundles::ID = 0; INITIALIZE_PASS(EdgeBundles, "edge-bundles", "Bundle Machine CFG Edges", @@ -46,6 +51,8 @@ bool EdgeBundles::runOnMachineFunction(MachineFunction &mf) { EC.join(OutE, 2 * (*SI)->getNumber()); } EC.compress(); + if (ViewEdgeBundles) + view(); return false; } |