https://llvm.org/bugs/show_bug.cgi?id=27275
Bug ID: 27275
Summary: ARM: Bad machine code: Using an undefined physical
register
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: ARM
Assignee: unassignedb...@nondot.org
Reporter: h...@chromium.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 16184
--> https://llvm.org/bugs/attachment.cgi?id=16184&action=edit
fairly reduced repro
$ clang --version
clang version 3.9.0 (trunk 265767) (llvm/trunk 265768)
$ clang -cc1 -triple thumbv7-apple-ios9.0.0 -emit-obj -Os -std=c++11 a.ii
*** Bad machine code: Using an undefined physical register ***
- function:
_ZN53SOCKSClientSocketPoolTest_AsyncSOCKSConnectError_Test6m_fn10Ev
- basic block: BB#8 if.end (0x5e24a98)
- instruction: t2STRi12
- operand 0: %R2<kill>
fatal error: error in backend: Found 1 machine code errors.
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