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author | Dan Gohman <gohman@apple.com> | 2010-09-23 00:33:13 +0000 |
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committer | Dan Gohman <gohman@apple.com> | 2010-09-23 00:33:13 +0000 |
commit | be2d4e77b5312b8cdaee4b83810cdd98ef9abcda (patch) | |
tree | 5f795d9739f29c7a4bb2e5a5367bf1210fef68f6 /tools/llvm-extract | |
parent | 637d89fe0eca4fa2b9c95f6c15eb69a99bae83bc (diff) | |
download | external_llvm-be2d4e77b5312b8cdaee4b83810cdd98ef9abcda.zip external_llvm-be2d4e77b5312b8cdaee4b83810cdd98ef9abcda.tar.gz external_llvm-be2d4e77b5312b8cdaee4b83810cdd98ef9abcda.tar.bz2 |
Fix llvm-extract -delete's lazy loading to materialize the functions that
will not be deleted, rather than the ones that will.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114614 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/llvm-extract')
-rw-r--r-- | tools/llvm-extract/llvm-extract.cpp | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/tools/llvm-extract/llvm-extract.cpp b/tools/llvm-extract/llvm-extract.cpp index 91a59e5..0f86dd1 100644 --- a/tools/llvm-extract/llvm-extract.cpp +++ b/tools/llvm-extract/llvm-extract.cpp @@ -26,6 +26,7 @@ #include "llvm/Support/raw_ostream.h" #include "llvm/Support/SystemUtils.h" #include "llvm/System/Signals.h" +#include "llvm/ADT/SmallPtrSet.h" #include <memory> using namespace llvm; @@ -102,13 +103,39 @@ int main(int argc, char **argv) { } // Materialize requisite global values. - for (size_t i = 0, e = GVs.size(); i != e; ++i) { - GlobalValue *GV = GVs[i]; - if (GV->isMaterializable()) { - std::string ErrInfo; - if (GV->Materialize(&ErrInfo)) { - errs() << argv[0] << ": error reading input: " << ErrInfo << "\n"; - return 1; + if (!DeleteFn) + for (size_t i = 0, e = GVs.size(); i != e; ++i) { + GlobalValue *GV = GVs[i]; + if (GV->isMaterializable()) { + std::string ErrInfo; + if (GV->Materialize(&ErrInfo)) { + errs() << argv[0] << ": error reading input: " << ErrInfo << "\n"; + return 1; + } + } + } + else { + // Deleting. Materialize every GV that's *not* in GVs. + SmallPtrSet<GlobalValue *, 8> GVSet(GVs.begin(), GVs.end()); + for (Module::global_iterator I = M->global_begin(), E = M->global_end(); + I != E; ++I) { + GlobalVariable *G = I; + if (!GVSet.count(G) && G->isMaterializable()) { + std::string ErrInfo; + if (G->Materialize(&ErrInfo)) { + errs() << argv[0] << ": error reading input: " << ErrInfo << "\n"; + return 1; + } + } + } + for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I) { + Function *F = I; + if (!GVSet.count(F) && F->isMaterializable()) { + std::string ErrInfo; + if (F->Materialize(&ErrInfo)) { + errs() << argv[0] << ": error reading input: " << ErrInfo << "\n"; + return 1; + } } } } |