https://bugs.llvm.org/show_bug.cgi?id=35575
Bug ID: 35575
Summary: [Register coalescer] Assertion `!empty() && "Call to
beginIndex() on empty range."' failed
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Register Allocator
Assignee: unassignedb...@nondot.org
Reporter: pauls...@linux.vnet.ibm.com
CC: llvm-bugs@lists.llvm.org
Created attachment 19530
--> https://bugs.llvm.org/attachment.cgi?id=19530&action=edit
reduced testcase
Running pass 'Simple Register Coalescing' on function '@main'
bin/llc -mtriple=s390x-linux-gnu -mcpu=z13 tc_coalescer.ll
-disable-machine-licm
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