https://llvm.org/bugs/show_bug.cgi?id=26485
Bug ID: 26485
Summary: [REGRESSION] UNREACHABLE executed at
lib/CodeGen/RegAllocFast.cpp:361!
Product: libraries
Version: 3.8
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Register Allocator
Assignee: unassignedb...@nondot.org
Reporter: compn...@compnerd.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 15829
--> https://llvm.org/bugs/attachment.cgi?id=15829&action=edit
reduced.c
This is a regression lowering TLS access in C on Darwin, currently on 3.8 and
3.9 (master). The attached lit-style test case reproduces the fast reg alloc
failure. Note that this only occurs at -O0 as the problem is only exhibited
for the fast register allocator.
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