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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-05 21:50:24 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-05 21:50:24 +0000 |
| commit | 6b705d482511e432a543d04f6f5e27f5881b6441 (patch) | |
| tree | d87d1eab2585f6f1eb75feb6b096366964c192a9 /lib/CodeGen/EdgeBundles.cpp | |
| parent | 7008f1e9ab3e455955bac764282b62d51b5ae523 (diff) | |
| download | external_llvm-6b705d482511e432a543d04f6f5e27f5881b6441.zip external_llvm-6b705d482511e432a543d04f6f5e27f5881b6441.tar.gz external_llvm-6b705d482511e432a543d04f6f5e27f5881b6441.tar.bz2 | |
Add a hidden command line option to display edge bundle graphs as they are
calculated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122912 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/EdgeBundles.cpp')
| -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 d7e73d1..aed8bc9 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; } |