VAARG not implemented for soft floats.

[llvmbot]

Bugzilla Link	3610
Resolution	FIXED
Resolved on	Feb 21, 2009 13:12
Version	unspecified
OS	All
Attachments	.ll file using vaarg
Reporter	LLVM Bugzilla Contributor

Extended Description

[/ellcc/ellcc] main% llvm-as -f t0056.ll
[/ellcc/ellcc] main% llc t0056.bc
SoftenFloatResult #​0: 0x9f55c44: f32,ch = vaarg 0x9f55b3c, 0x9f5571c, 0x9f55bc0
llc: /home/rich/llvm-trunk-new/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp:54: void llvm::DAGTypeLegalizer::SoftenFloatResult(llvm::SDNode*, unsigned int): Assertion `0 && "Do not know how to soften the result of this operator!"' failed.
0 llc 0x08c970ae
1 llc 0x08c973f0
2 0x00110400 __kernel_sigreturn + 0
3 libc.so.6 0x00bcce28 abort + 392
4 libc.so.6 0x00bc440e __assert_fail + 238
5 llc 0x089dd961
6 llc 0x089c64ea
7 llc 0x089c6f69 llvm::SelectionDAG::LegalizeTypes() + 45
8 llc 0x0895ea4a llvm::SelectionDAGISel::CodeGenAndEmitDAG() + 1180
9 llc 0x089612d4 llvm::SelectionDAGISel::SelectBasicBlock(llvm::BasicBlock*, llvm::ilist_iteratorllvm::Instruction, llvm::ilist_iteratorllvm::Instruction) + 598
10 llc 0x08961c87 llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function&, llvm::MachineFunction&, llvm::MachineModuleInfo*, llvm::DwarfWriter*, llvm::TargetInstrInfo const&) + 2219
11 llc 0x08962963 llvm::SelectionDAGISel::runOnFunction(llvm::Function&) + 841
12 llc 0x08c259f5 llvm::FPPassManager::runOnFunction(llvm::Function&) + 249
13 llc 0x08c2646a llvm::FunctionPassManagerImpl::run(llvm::Function&) + 116
14 llc 0x08c265cb llvm::FunctionPassManager::run(llvm::Function&) + 137
15 llc 0x083d0d22 main + 2465
16 libc.so.6 0x00bb66e5 __libc_start_main + 229
17 llc 0x083cf441
Abort
[~/ellcc/ellcc] main%

[llvmbot]

Created an attachment (id=2576) [details]
.ll file using vaarg

[/ellcc/ellcc] main% llvm-as -f t0056.ll
[/ellcc/ellcc] main% llc t0056.bc
SoftenFloatResult #​0: 0x9f55c44: f32,ch = vaarg 0x9f55b3c, 0x9f5571c, 0x9f55bc0
llc:
/home/rich/llvm-trunk-new/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp:54:
void llvm::DAGTypeLegalizer::SoftenFloatResult(llvm::SDNode*, unsigned int):
Assertion `0 && "Do not know how to soften the result of this operator!"'
failed.
0 llc 0x08c970ae
1 llc 0x08c973f0
2 0x00110400 __kernel_sigreturn + 0
3 libc.so.6 0x00bcce28 abort + 392
4 libc.so.6 0x00bc440e __assert_fail + 238
5 llc 0x089dd961
6 llc 0x089c64ea
7 llc 0x089c6f69 llvm::SelectionDAG::LegalizeTypes() + 45
8 llc 0x0895ea4a llvm::SelectionDAGISel::CodeGenAndEmitDAG() + 1180
9 llc 0x089612d4
llvm::SelectionDAGISel::SelectBasicBlock(llvm::BasicBlock*,
llvm::ilist_iteratorllvm::Instruction,
llvm::ilist_iteratorllvm::Instruction) + 598
10 llc 0x08961c87
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function&,
llvm::MachineFunction&, llvm::MachineModuleInfo*, llvm::DwarfWriter*,
llvm::TargetInstrInfo const&) + 2219
11 llc 0x08962963 llvm::SelectionDAGISel::runOnFunction(llvm::Function&)

• 841
  12 llc 0x08c259f5 llvm::FPPassManager::runOnFunction(llvm::Function&) +
  249
  13 llc 0x08c2646a llvm::FunctionPassManagerImpl::run(llvm::Function&) +
  116
  14 llc 0x08c265cb llvm::FunctionPassManager::run(llvm::Function&) + 137
  15 llc 0x083d0d22 main + 2465
  16 libc.so.6 0x00bb66e5 __libc_start_main + 229
  17 llc 0x083cf441
  Abort
  [~/ellcc/ellcc] main%

Fixed in revision 65239.