| Issue |
203012
|
| Summary |
[PowerPC] hit llvm_unreachable("Wasn't expecting to be able to lower this!")
|
| Labels |
|
| Assignees |
diggerlin
|
| Reporter |
diggerlin
|
for the IR
bash> cat reduced.ll
```
define i32 @main(i8 %0) {
entry:
%cmp2.not.i.4 = icmp eq i8 %0, 0
%1 = sext i1 %cmp2.not.i.4 to i32
ret i32 %1
}
```
bash > llc -mtriple=powerpc-ibm-aix7.2.0.0 reduced.ll
UNREACHABLE executed at llvm/lib/Target/PowerPC/PPCISelLowering.cpp:12790!
PLEASE submit a bug report tohttps://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.and include the crash backtrace and instructions to reproduce the bug.
Stack dump:
0. Program arguments:llc -mtriple=powerpc-ibm-aix7.2.0.0 reduced.ll
1. Running pass 'Function Pass Manager' on module 'reduced.ll'.
2. Running pass 'PowerPC DAG->DAG Pattern Instruction Selection' on function '@main'
IOT/Abort trap (core dumped) llc -mtriple=powerpc-ibm-aix7.2.0.0 reduced.ll
it hit the in source code
SDValue PPCTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
switch (Op.getOpcode()) {
default:
llvm_unreachable("Wasn't expecting to be able to lower this!");
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