https://bugs.llvm.org/show_bug.cgi?id=44358
Bug ID: 44358
Summary: [AArch64] Clang generates stores to -ffixed-xNN
registers
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: pho...@chromium.org
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
Created attachment 22958
--> https://bugs.llvm.org/attachment.cgi?id=22958&action=edit
Reproducer
Bisecting shows that this was introduced by D70450. I've attached a reproducer,
if you disassemble the output you'd see that Clang generates several
instructions that touch x15 despite using -ffixed-x15.
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