fix autocast to support global tensor #78677

Job	Run time
Mirror third party dependencies	1m 3s
Collect information about PR and source	9s
Find build cache	10s
License and format	1m 0s
Static analysis with clang on diff	41m 17s
Build OneFlow (cu118)	25m 29s
Build OneFlow (cpu)	18m 13s
Build OneFlow (cpu-asan-ubsan)	1m 47s
Build OneFlow (cpu-tsan)	47s
Build OneFlow (llvm15)	25m 8s
Find test cache	10s
Find test cache (distributed)	0s
Test suite (cuda-module)	40m 26s
Test suite (cuda-misc)	35m 5s
Test suite (cuda-speed-test)	21m 48s
Test suite (cpu-module)	27m 8s
Test suite (cpu-misc)	18m 20s
Distributed test suite	0s
	4h 18m 0s

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