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clang-p2996/llvm/test/CodeGen/X86
Phoebe Wang 02fe96b240 [X86][FP16] Do not split FP64->FP16 to FP64->FP32->FP16
Truncation from double to half is not always identical to truncating to float first and then to half. https://godbolt.org/z/56s9517hd

On the other hand, expanding to float and then to double is always identical to expanding to double directly. https://godbolt.org/z/Ye8vbYPnY

Reviewed By: RKSimon, skan

Differential Revision: https://reviews.llvm.org/D130151
2022-07-22 08:36:05 +08:00
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2022-05-31 17:28:56 +01:00
2022-07-06 07:17:47 -07:00
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