[llvm-bugs] [Bug 36452] New: Building of blender_r using release_60 aborts if -fno-slp-vectorize is not specified

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Tue Feb 20 04:21:36 PST 2018


https://bugs.llvm.org/show_bug.cgi?id=36452

            Bug ID: 36452
           Summary: Building of blender_r  using release_60 aborts if
                    -fno-slp-vectorize is not specified
           Product: libraries
           Version: 6.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Transformation Utilities
          Assignee: unassignedbugs at nondot.org
          Reporter: balarishi.bhogadi at amd.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 19912
  --> https://bugs.llvm.org/attachment.cgi?id=19912&action=edit
The config file for building blender_r benchmark with release_60 compiler.

When used the latest release_60 branch to build 526.blender_r benchmark of
CPU2017, it allocated >50 GB and then aborted with message "clang-6.0: error:
unable to execute command: Killed".

This issue occurs for flagset: -m64 -O3 -flto
But, NOT occurs for flagset  : -m64 -O3 -flto  -fno-slp-vectorize

However, this issue is not seen with the latest trunk.

--
Attaching the config file for building the benchmark.

Command used to build:
runcpu --rebuild --noreportable -I --NoRatios --config
cpu2017_llvm60-release.cfg --action=build --tune base 526.blender_r
---

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