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authorDerek Schuff <dschuff@google.com>2012-02-06 22:30:29 +0000
committerDerek Schuff <dschuff@google.com>2012-02-06 22:30:29 +0000
commit2ea93875b2f2900b9d244dfd7649c9ed02a34cd7 (patch)
tree3e2851a6033c574bbd73e97aa7fcad8501759a76 /tools/llvm-dis/llvm-dis.cpp
parent06d7e1b52b412bd1ad307606496d7a4dc66ab751 (diff)
Enable streaming of bitcode
This CL delays reading of function bodies from initial parse until materialization, allowing overlap of compilation with bitcode download. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149918 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/llvm-dis/llvm-dis.cpp')
-rw-r--r--tools/llvm-dis/llvm-dis.cpp19
1 files changed, 13 insertions, 6 deletions
diff --git a/tools/llvm-dis/llvm-dis.cpp b/tools/llvm-dis/llvm-dis.cpp
index 9020a527866..6450ea6ac74 100644
--- a/tools/llvm-dis/llvm-dis.cpp
+++ b/tools/llvm-dis/llvm-dis.cpp
@@ -24,6 +24,7 @@
#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Assembly/AssemblyAnnotationWriter.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/DataStream.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
@@ -126,12 +127,19 @@ int main(int argc, char **argv) {
std::string ErrorMessage;
std::auto_ptr<Module> M;
- {
- OwningPtr<MemoryBuffer> BufferPtr;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr))
- ErrorMessage = ec.message();
+ // Use the bitcode streaming interface
+ DataStreamer *streamer = getDataFileStreamer(InputFilename, &ErrorMessage);
+ if (streamer) {
+ std::string DisplayFilename;
+ if (InputFilename == "-")
+ DisplayFilename = "<stdin>";
else
- M.reset(ParseBitcodeFile(BufferPtr.get(), Context, &ErrorMessage));
+ DisplayFilename = InputFilename;
+ M.reset(getStreamedBitcodeModule(DisplayFilename, streamer, Context,
+ &ErrorMessage));
+ if(M.get() != 0 && M->MaterializeAllPermanently(&ErrorMessage)) {
+ M.reset();
+ }
}
if (M.get() == 0) {
@@ -183,4 +191,3 @@ int main(int argc, char **argv) {
return 0;
}
-