http://llvm.org/bugs/show_bug.cgi?id=2973
Summary: very poor choice by the inliner (code size + perf)
Product: libraries
Version: 1.0
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Interprocedural Optimizations
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
SPASS has code that looks like this:
LIST clause_NumberSort(LIST List) {
return list_Sort(List, (BOOL (*) (POINTER, POINTER)) clause_NumberLower);
}
LIST pcheck_ClauseNumberMergeSort(LIST L) {
return clause_NumberSort(L);
}
Because the inliner is running bottom up, it inlines clause_NumberSort into
pcheck_ClauseNumberMergeSort, duplicating it! It would be much better to not
inline clause_NumberSort in this case, and just inline
pcheck_ClauseNumberMergeSort into its callers instead.
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