forked from OSchip/llvm-project
![]() Fixes miscompile of calls into ocml. Bug 51445. The stack variable `double __tmp` is moved to dynamically allocated shared memory by CGOpenMPRuntimeGPU. This is usually fine, but when the variable is passed to a function that is explicitly annotated address_space(5) then allocating the variable off-stack leads to a miscompile in the back end, which cannot decide to move the variable back to the stack from shared. This could be fixed by removing the AS(5) annotation from the math library or by explicitly marking the variables as thread_mem_alloc. The cast to AS(5) is still a no-op once IR is reached. Reviewed By: jdoerfert Differential Revision: https://reviews.llvm.org/D107971 |
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usr/include |