http://llvm.org/bugs/show_bug.cgi?id=20129
Bug ID: 20129
Summary: opt and llc hang trying to parse unspecified string
options
Product: tools
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: opt
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Using tools built from r211521:
$ ./clang -v
clang version 3.5.0 (211521)
Target: x86_64-apple-darwin13.2.0
Thread model: posix
$ cat test.ll
define i32 @main() #0 {
entry:
ret i32 0
}
$ ./opt -extract-blocks-file test.ll
^C
(hang)
$ ./llc -break-anti-dependencies test.ll
^C
(hang)
But when passed via clang, we get:
$ ./clang -mllvm -extract-blocks-file test.ll
clang (LLVM option parsing): for the -extract-blocks-file option: requires a
value!
$ ./clang -mllvm -break-anti-dependencies test.ll
clang (LLVM option parsing): for the -break-anti-dependencies option: requires
a value!
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