[Mips] Return of a double constant causes an assert. #4331
Description
| Bugzilla Link | 3959 |
| Resolution | FIXED |
| Resolved on | Nov 07, 2018 00:17 |
| Version | unspecified |
| OS | All |
| Attachments | Test case. |
| Reporter | LLVM Bugzilla Contributor |
| CC | @bcardosolopes |
Extended Description
The attached test case causes an assert with the Mips code generator:
[/ellcc/ellcc] main% llvm-as -f t0065.ll/ellcc/ellcc] main% llc -f -march mips t0065.bc
[
Cannot yet select: 0xa564fc8: f64,ch = load 0xa564c3c, 0xa5651d8, 0xa564f44 <0xa579da8:0> alignment=4
0 llc 0x08d5616d
1 llc 0x08d5669f
2 0x00c27400 __kernel_sigreturn + 0
3 libc.so.6 0x0033ee28 abort + 392
4 llc 0x0859d1eb
5 llc 0x085a0228
6 llc 0x085a30ff
7 llc 0x085a46c4
8 llc 0x085a4a75
9 llc 0x085a4be3
10 llc 0x089b7101 llvm::SelectionDAGISel::CodeGenAndEmitDAG() + 2905
11 llc 0x089b941a llvm::SelectionDAGISel::SelectBasicBlock(llvm::BasicBlock*, llvm::ilist_iteratorllvm::Instruction, llvm::ilist_iteratorllvm::Instruction) + 612
12 llc 0x089b9e29 llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function&, llvm::MachineFunction&, llvm::MachineModuleInfo*, llvm::DwarfWriter*, llvm::TargetInstrInfo const&) + 2295
13 llc 0x089babdb llvm::SelectionDAGISel::runOnFunction(llvm::Function&) + 885
14 llc 0x08cd6ae2 llvm::FPPassManager::runOnFunction(llvm::Function&) + 288
15 llc 0x08cd75d0 llvm::FunctionPassManagerImpl::run(llvm::Function&) + 124
16 llc 0x08cd77a1 llvm::FunctionPassManager::run(llvm::Function&) + 159
17 llc 0x083d1662 main + 2687
18 libc.so.6 0x003286e5 __libc_start_main + 229
19 llc 0x083cfb21
Stack dump:
0. Program arguments: llc -f -march mips t0065.bc
-
Running pass 'MIPS DAG->DAG Pattern Instruction Selection' on function '@foo'
Abort
[~/ellcc/ellcc] main%