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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2552 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sumant Kowshik
2002-05-08 18:09:58 +00:00
parent 73e6298c9a
commit 9ddc86c6e5
10 changed files with 2909 additions and 15 deletions
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20
tools/llvm-dis/dis.cpp
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@ -11,6 +11,8 @@
// -rdfo - Print basic blocks in reverse depth first order
// -po - Print basic blocks in post order
// -rpo - Print basic blocks in reverse post order
//
// -c - Print C code
//
// TODO: add -vcg which prints VCG compatible output.
//
@ -23,6 +25,7 @@
#include "Support/PostOrderIterator.h"
#include "Support/CommandLine.h"
#include "Support/Signals.h"
#include "llvm/Assembly/CWriter.h"
#include <fstream>
#include <iostream>
using std::cerr;
@ -34,6 +37,8 @@ enum OutputMode {
rdfo, // Reverse Depth First ordering
po, // Post Order
rpo, // Reverse Post Order
c, // Generate C code
};
cl::String InputFilename ("", "Load <arg> file, print as assembly", 0, "-");
@ -45,6 +50,8 @@ cl::EnumFlags<enum OutputMode> WriteMode(cl::NoFlags,
clEnumVal(rdfo , "Write basic blocks in reverse DFO"),
clEnumVal(po , "Write basic blocks in postorder"),
clEnumVal(rpo , "Write basic blocks in reverse postorder"),
clEnumVal(c , "Write corresponding C code"),
0);
int main(int argc, char **argv) {
@ -77,7 +84,10 @@ int main(int argc, char **argv) {
} else {
OutputFilename = IFN; // Append a .ll to it
}
OutputFilename += ".ll";
if (WriteMode == c)
OutputFilename += ".c";
else
OutputFilename += ".ll";
if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file!
@ -99,11 +109,12 @@ int main(int argc, char **argv) {
Out = &std::cout;
}
// All that dis does is write the assembly out to a file... which is exactly
// what the writer library is supposed to do...
//
// All that dis does is write the assembly or C out to a file... which is
// exactly what the writer or cwriter library is supposed to do...
if (WriteMode == Default) {
(*Out) << M; // Print out in list order
} else if (WriteMode == c) {
WriteToC(M, *Out);
} else {
// TODO: This does not print anything other than the basic blocks in the
// functions... more should definately be printed. It should be valid
@ -145,3 +156,4 @@ int main(int argc, char **argv) {
if (Out != &std::cout) delete Out;
return 0;
}