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8b663db389
Teach buildMerge how to deal with scalar to vector kind of requests. Prior to this patch, buildMerge would issue either a G_MERGE_VALUES when all the vregs are scalars or a G_CONCAT_VECTORS when the destination vreg is a vector. G_CONCAT_VECTORS was actually not the proper instruction when the source vregs were scalars and the compiler would assert that the sources must be vectors. Instead we want is to issue a G_BUILD_VECTOR when we are in this situation. This patch fixes that. llvm-svn: 374588 |
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