| Issue |
109561
|
| Summary |
[clang] Assertion failed in LoopVectorize
|
| Labels |
clang
|
| Assignees |
|
| Reporter |
cardigan1008
|
When I compiled this code with O2, it crashed:
```c
long a;
int b;
int c;
long d;
void e() {
for (int f = 0; f < b; f++)
d = c > 0 ? a / c : 1;
}
```
Crash is:
```
VPIRBasicBlock can only be used as pre-header or a successor of middle-block at the moment!
clang: /root/llvm-project/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:8593: void llvm::LoopVectorizationPlanner::buildVPlansWithVPRecipes(llvm::ElementCount, llvm::ElementCount): Assertion `verifyVPlanIsValid(*Plan) && "VPlan is invalid"' failed.
```
Details can be found here: https://godbolt.org/z/7nhzEWb81
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