https://bugs.llvm.org/show_bug.cgi?id=49052
Bug ID: 49052
Summary: Clang crashed when compiling target code with
assert(0)
Product: OpenMP
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Clang Compiler Support
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Clang crashed when compiling the following simple case:
```
#include <assert.h>
int main(int argc, char *argv[]) {
#pragma omp target
{ assert(0); }
return 0;
}
```
The crash is because of broken IR in kernel function because code after
`assert(0)` is unreachable, therefore the BB afterwards might be removed,
leaving a bad reference.
```
6: ; preds = %0
call void @__omp_offloading_10301_fba7c_main_l4_worker() #5, !dbg !18
br label <badref>, !dbg !17
```
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