https://llvm.org/bugs/show_bug.cgi?id=28393
Bug ID: 28393
Summary: [AArch64] r273755 miscompiles libjpeg
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: AArch64
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
git bisect points to this patch which miscompiles libjpeg in Android compiled
for aarch64:
http://reviews.llvm.org/rL273755
Basic instructions on how to reproduce the problem are in
https://github.com/android-ndk/ndk/issues/110
I first thought that a change to GVN PRE was producing the wrong code, though
git bisect now points to this patch: most likely PRE exposes a pattern that is
then producing wrong code with the change to the scheduler.
I am still struggling reducing a testcase with bugpoint.
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