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| author | Peter Collingbourne <peter@pcc.me.uk> | 2016-04-13 19:36:04 +0000 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2016-04-13 19:36:04 +0000 |
| commit | 5413f6f863540b45bed61e577bf5c2cc85ae08a4 (patch) | |
| tree | a42c0bfffed501c9e7a8a7f10906b84c1659ff93 | |
| parent | 50688beb103db82bd14175f49b05af3a7f3316fc (diff) | |
| download | bcm5719-llvm-5413f6f863540b45bed61e577bf5c2cc85ae08a4.tar.gz bcm5719-llvm-5413f6f863540b45bed61e577bf5c2cc85ae08a4.zip | |
LibDriver: Silently do nothing when provided no inputs.
This behavior is strange, but it matches lib.exe. Based on a patch by
Nico Weber.
Fixes PR27335.
llvm-svn: 266236
| -rw-r--r-- | llvm/lib/LibDriver/LibDriver.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/LibDriver/no-inputs.test | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/LibDriver/LibDriver.cpp b/llvm/lib/LibDriver/LibDriver.cpp index 3ae54346074..671cc73c576 100644 --- a/llvm/lib/LibDriver/LibDriver.cpp +++ b/llvm/lib/LibDriver/LibDriver.cpp @@ -122,8 +122,8 @@ int llvm::libDriverMain(llvm::ArrayRef<const char*> ArgsArr) { llvm::errs() << "ignoring unknown argument: " << Arg->getSpelling() << "\n"; if (Args.filtered_begin(OPT_INPUT) == Args.filtered_end()) { - llvm::errs() << "no input files.\n"; - return 1; + // No input files. To match lib.exe, silently do nothing. + return 0; } std::vector<StringRef> SearchPaths = getSearchPaths(&Args, Saver); diff --git a/llvm/test/LibDriver/no-inputs.test b/llvm/test/LibDriver/no-inputs.test new file mode 100644 index 00000000000..95d6555d58c --- /dev/null +++ b/llvm/test/LibDriver/no-inputs.test @@ -0,0 +1,2 @@ +RUN: llvm-lib -out:%t.a +RUN: test ! -e %t.a |
