https://llvm.org/bugs/show_bug.cgi?id=30276
Bug ID: 30276
Summary: PowerPC64: Code hits "Impossible reg-to-reg copy"
assertion
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: PowerPC
Assignee: unassignedb...@nondot.org
Reporter: an...@samba.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
The following test case:
int a, b;
int fn2(int);
void fn1(void) { b = fn2(1 ^ ((a != 1) | (0 != b))) <= 0; }
Hits an assertion:
# clang -O0 -c testcase.c
Impossible reg-to-reg copy
UNREACHABLE executed at
/home/anton/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp:943!
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