https://llvm.org/bugs/show_bug.cgi?id=27735
Bug ID: 27735
Summary: PowerPC - shufflevector operation gets lost
Product: new-bugs
Version: 3.8
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: eric.schwe...@pgroup.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 16367
--> https://llvm.org/bugs/attachment.cgi?id=16367&action=edit
reduced.ll
Compiling the attached .ll file with the following commands:
llc reduced.ll -mcpu=native -O2 -o reduced.s
as reduced.s -o reduced.o
gcc -o a.out reduced.o
./a.out
gives the output:
-81.000000 68.000000
The correct answer is:
-91.000000 58.000000
and is what is produced by the x86 backend.
It appears that the instruction %Z.L.JA291.9 is being erroneously omitted.
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