https://bugs.llvm.org/show_bug.cgi?id=35618
Bug ID: 35618
Summary: Instcombine hangs because of '[InstCombine] PR35354:
Convert store...' (r320157)
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: pauls...@linux.vnet.ibm.com
CC: llvm-bugs@lists.llvm.org
Created attachment 19534
--> https://bugs.llvm.org/attachment.cgi?id=19534&action=edit
reduced testcase
While building SystemZ benchmarks (SPEC), I discovered that one clang process
got stuck which I bisected to r320157. When I reverted it locally, things
worked again as normal.
Attached reduced test case, run with
bin/opt -mtriple=s390x-ibm-linux -S -mcpu=z13 -O3 tc_instcomb_hang.ll
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