[LLVMdev] New backend help request. (original) (raw)
Krzysztof Parzyszek kparzysz at codeaurora.org
Wed Jul 8 10:02:54 PDT 2015
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On 7/8/2015 11:40 AM, James Boulton wrote:
CALL ga:@foo, %A7, ... To me this looks like the result from the call (D0) is not being set somewhere to let LLVM know the register is available when it tries to copy it into the virtual register. I'm using the MSP430 target as reference, and I'm doing everything this target is, so I'm not sure what I'm missing. Any tips would be most appreciated.
The CALL instruction should have an implicit def of the register used to return a value.
-Krzysztof
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