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: unassignedb...@nondot.org
Reporter: timshe...@gmail.com
CC: llvm-bugs@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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