https://llvm.org/bugs/show_bug.cgi?id=31310
Bug ID: 31310
Summary: SROA fails to propagate debug location annotation
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: ane...@apple.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 17734
--> https://llvm.org/bugs/attachment.cgi?id=17734&action=edit
testcase
The testcase s.ll demonstrates the problem. The phis generated by SROA carry
no debug location MD:
/org/llvm/build$ grep phi s.ll
/org/llvm/build$ ./bin/opt -sroa s.ll -S | grep phi
%a.addr.0 = phi i32 [ %a, %entry ], [ %0, %for.inc ]
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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