http://llvm.org/bugs/show_bug.cgi?id=12338
Bug #: 12338
Summary: Infinite loop in the InstCombiner pass
Product: libraries
Version: trunk
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 8259
--> http://llvm.org/bugs/attachment.cgi?id=8259
Bitcode which sends instcombine into an endless loop
InstCombiner loops endlessly here:
// Iterate while there is work to do.
unsigned Iteration = 0;
while (DoOneIteration(F, Iteration++))
EverMadeChange = true;
See the attached .ll sample code. It should be passed through instcombine
directly, without any other passes.
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