[PATCH] D72307: [X86] Directly emit a BROADCAST_LOAD from constant pool in lowerUINT_TO_FP_vXi32 to avoid double loads seen in D71971

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


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Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:19121
                              DAG.getBitcast(MVT::v4i64, VBias));
     Or = DAG.getBitcast(MVT::v4f64, Or);
 
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RKSimon wrote:
> Could we avoid all this by using X86ISD::FOR instead?
Turns out - no we can't, but this still seems a hacky way to fix this.


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  https://reviews.llvm.org/D72307/new/

https://reviews.llvm.org/D72307