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| author | Justin Bogner <mail@justinbogner.com> | 2017-04-11 19:32:41 +0000 |
|---|---|---|
| committer | Justin Bogner <mail@justinbogner.com> | 2017-04-11 19:32:41 +0000 |
| commit | 20dd36a48a76bb4227e19ad5da26066db5a466fa (patch) | |
| tree | df04a68185ca6f2a7db770221a16b346187c3c01 /llvm/lib/CodeGen/MIRParser/MIRParser.cpp | |
| parent | 203eef0ed57a849d6d76ed57ee1963d1c49a5b30 (diff) | |
| download | bcm5719-llvm-20dd36a48a76bb4227e19ad5da26066db5a466fa.tar.gz bcm5719-llvm-20dd36a48a76bb4227e19ad5da26066db5a466fa.zip | |
MIR: Allow parsing of empty machine functions
If you run llc -stop-after=codegenprepare and feed the resulting MIR
to llc -start-after=codegenprepare, you'll have an empty machine
function since we haven't run any isel yet. Of course, this only works
if the MIRParser believes you that this is okay.
This is essentially a revert of r241862 with a fix for the problem it
was papering over.
llvm-svn: 299975
Diffstat (limited to 'llvm/lib/CodeGen/MIRParser/MIRParser.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MIRParser/MIRParser.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp index d1f5ed47d81..a2773cccc5d 100644 --- a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp +++ b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp @@ -367,9 +367,6 @@ bool MIRParserImpl::initializeMachineFunction(MachineFunction &MF) { } PFS.SM = &SM; - if (MF.empty()) - return error(Twine("machine function '") + Twine(MF.getName()) + - "' requires at least one machine basic block in its body"); // Initialize the frame information after creating all the MBBs so that the // MBB references in the frame information can be resolved. if (initializeFrameInfo(PFS, YamlMF)) |
