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ScheduleDAG: colorize the DOT graph and improve formatting.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173431 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2013-01-25 07:45:25 +00:00
parent a5a73ad159
commit c6ada8e5f3
7 changed files with 40 additions and 3 deletions
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11
lib/Support/GraphWriter.cpp
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@@ -53,6 +53,17 @@ std::string llvm::DOT::EscapeString(const std::string &Label) {
return Str;
}
/// \brief Get a color string for this node number. Simply round-robin selects
/// from a reasonable number of colors.
StringRef llvm::DOT::getColorString(unsigned ColorNumber) {
static const int NumColors = 20;
static const char* Colors[NumColors] = {
"aaaaaa", "aa0000", "00aa00", "aa5500", "0055ff", "aa00aa", "00aaaa",
"555555", "ff5555", "55ff55", "ffff55", "5555ff", "ff55ff", "55ffff",
"ffaaaa", "aaffaa", "ffffaa", "aaaaff", "ffaaff", "aaffff"};
return Colors[ColorNumber % NumColors];
}
// Execute the graph viewer. Return true if successful.
static bool LLVM_ATTRIBUTE_UNUSED
ExecGraphViewer(const sys::Path &ExecPath, std::vector<const char*> &args,