forked from OSchip/llvm-project
bf225939bc
- CUDA cannot associate memory space with pointer types. Even though Clang could add extra attributes to specify the address space explicitly on a pointer type, it breaks the portability between Clang and NVCC.
- This change proposes to assume the address space from a pointer from the assumption built upon target-specific address space predicates, such as `__isGlobal` from CUDA. E.g.,
```
foo(float *p) {
__builtin_assume(__isGlobal(p));
// From there, we could assume p is a global pointer instead of a
// generic one.
}
```
This makes the code portable without introducing the implementation-specific features.
Note that NVCC starts to support __builtin_assume from version 11.
Reviewed By: arsenm
Differential Revision: https://reviews.llvm.org/D112041
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| .. | ||
| 2009-01-25-SingleEntryPhi.ll | ||
| PhiRename-1.ll | ||
| PhiSelfReference-1.ll | ||
| alloca.ll | ||
| basic.ll | ||
| call-prepare-for-lto.ll | ||
| callbr.ll | ||
| catchret.ll | ||
| convergent.ll | ||
| crash.ll | ||
| dbg-value-duplicates-2.ll | ||
| dbg-value-duplicates.ll | ||
| dbgvalue.ll | ||
| freeze-crash.ll | ||
| indirectbr.ll | ||
| loopexitinglatch.ll | ||
| multiple-deopt-exits.ll | ||
| multiple-exits.ll | ||
| noalias.ll | ||
| nosimplifylatch.ll | ||
| oz-disable.ll | ||
| phi-dbgvalue.ll | ||
| phi-duplicate.ll | ||
| pr2639.ll | ||
| pr22337.ll | ||
| pr33701.ll | ||
| pr35210.ll | ||
| pr37205.ll | ||
| pr51981-scev-problem.ll | ||
| preserve-loop-simplify.ll | ||
| preserve-mssa.ll | ||
| preserve-scev.ll | ||
| simplifylatch.ll | ||
| switch.ll | ||
| vect.omp.persistence.ll | ||