[llvm-bugs] [Bug 36387] New: Load from a local value is not hoisted outside of the loop when the value is populated via sret pointer

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36387

            Bug ID: 36387
           Summary: Load from a local value is not hoisted outside of the
                    loop when the value is populated via sret pointer
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Global Analyses
          Assignee: unassignedbugs at nondot.org
          Reporter: timshen91 at gmail.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 19864
  --> https://bugs.llvm.org/attachment.cgi?id=19864&action=edit
Test

The attach shows a piece of IR that contains two loads in the loop, while GCC
compiles the original C++ source code down to one load in the loop, the other
one hoisted out of the loop.

I'm not entirely sure if this should be fixed in Clang or LLVM. Put it here to
start with.

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