https://bugs.llvm.org/show_bug.cgi?id=46113
Bug ID: 46113
Summary: Invalid profile triggers ControlHeightReduction
assertion failure
Product: new-bugs
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: yik...@google.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
$ echo gibberish > a.txt
$ clang -fprofile-sample-use=a.txt -O3 test.cpp
error: a.txt: Could not open profile: Unrecognized sample profile encoding
format
Assertion failed: (PSI.hasProfileSummary() && "Empty PSI?"), function
shouldApply, file
llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp, line 449.
It would be nicer if this can be handled more gracefully.
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