https://bugs.llvm.org/show_bug.cgi?id=44470
Bug ID: 44470
Summary: insn->consumedDisplacement is Overwritten Before Being
Used
Product: libraries
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: cameron.sm...@pnnl.gov
CC: craig.top...@gmail.com, llvm-bugs@lists.llvm.org,
llvm-...@redking.me.uk, spatel+l...@rotateright.com
Created attachment 22992
--> https://bugs.llvm.org/attachment.cgi?id=22992&action=edit
X86::readDisplacement()
In the file llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp in the
function readDisplacement (line 1235), insn->consumedDisplacement is set to
true on line 1245. In the proceeding switch statement, the same variable may be
set to false (if insn->eaDisplacement == EA_DSP_NONE), but the line immediately
after the switch (line 1269) always sets it back to true. I think this can be
fixed by removing line 1269. I've attached a copy of the function in question.
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