https://bugs.llvm.org/show_bug.cgi?id=46557
Bug ID: 46557
Summary: __builtin_assume: Assertion failed: (getType() ==
V->getType() && "All operands to PHI node must be the
same type as the PHI node!"), function
setIncomingValue, file
llvm/include/llvm/IR/Instructions.h, line 2576.
Product: new-bugs
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
As reported in https://bugs.freebsd.org/247665, clang 10.0 (and the most recent
clang 11) asserts while compiling the emulators/rpcs3 port. This happens during
parsing of an expression using __builtin_assume:
% cat System-min.cpp
// clang -cc1 -triple x86_64-- -S System-min.cpp
enum {} a;
class b {
public:
b() { a ? void() : __builtin_assume(0); }
} c;
% clang -cc1 -triple x86_64-- -S System-min.cpp
Assertion failed: (getType() == V->getType() && "All operands to PHI node must
be the same type as the PHI node!"), function setIncomingValue, file
/home/dim/src/llvm/llvm-project/llvm/include/llvm/IR/Instructions.h, line 2576.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: clang -cc1 -triple x86_64-- -S System-min.cpp
1. <eof> parser at end of file
2. Per-file LLVM IR generation
3. System-min.cpp:5:3: Generating code for declaration 'b::b'
4. System-min.cpp:5:7: LLVM IR generation of compound statement ('{}')
#0 0x000000000304f378 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(clang+0x304f378)
#1 0x000000000304d0a8 llvm::sys::RunSignalHandlers() (clang+0x304d0a8)
#2 0x000000000304fadd SignalHandler(int) (clang+0x304fadd)
#3 0x0000000805750a30 handle_signal /usr/src/lib/libthr/thread/thr_sig.c:0:3
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