[LLVMbugs] [Bug 4137] New: Miscompilation of heavy-phi code
bugzilla-daemon at cs.uiuc.edu
bugzilla-daemon at cs.uiuc.edu
Sun May 3 09:08:40 PDT 2009
http://llvm.org/bugs/show_bug.cgi?id=4137
Summary: Miscompilation of heavy-phi code
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Backend: X86
AssignedTo: unassignedbugs at nondot.org
ReportedBy: asl at math.spbu.ru
CC: llvmbugs at cs.uiuc.edu
Created an attachment (id=2927)
--> (http://llvm.org/bugs/attachment.cgi?id=2927)
Original bytecode
Consider the .bc attached. Currently llc produces invalid code for it (running
the resulting binary would yield "sort test failed"). CBE works fine.
Bugpoint reduced "safe" and "test" parts are attached as well. The bytecode
itself was derived from
/SingleSource/Benchmarks/Adobe-C++/stepanov_abstraction.cpp after some bc=>bc
transformation.
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