Noah Noerr
Noerr
/ chipstar_rtc_cache_repro.cpp
Created
April 29, 2026 18:00
ChipStar issue #1246 reproducer: hipRTC cache returns empty mangled name on cache hit
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| // Single-file reproducer for the ChipStar hipRTC cache bug. | |
| // | |
| // Bug summary: when CHIP_MODULE_CACHE_DIR is enabled and a previously-cached | |
| // SPIR-V is loaded, hiprtcCompileProgram() returns HIPRTC_SUCCESS without | |
| // running the LLVM HipEmitLoweredNames pass, so the program's | |
| // name-expression -> lowered-name map stays empty. hiprtcGetLoweredName() | |
| // then returns a pointer to an empty string, and the caller's downstream | |
| // hipModuleGetFunction("") fails with hipErrorLaunchFailure. | |
| // | |
| // Run twice with a fresh CHIP_MODULE_CACHE_DIR: |