| Issue |
163889
|
| Summary |
[CIR] Upstream handling of __builtin_constant_p
|
| Labels |
ClangIR
|
| Assignees |
|
| Reporter |
andykaylor
|
### Overview
Upstream handling for the `__builtin_constant_p` function, including implemetation and lowering of the `cir.is_constant` operation.
### Suggested minimal test case
```
int a = 0;
int f() {
return __builtin_constant_p(a);
}
```
### Existing incubator tests
clang/test/CIR/CodeGen/builtin-constant-p.c
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