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4c1f3c0c5b
operand of a VECTOR_SHUFFLE. The mask is a vector of constant integers. The code in LegalizeDAG doesn't bother to legalize the mask, since it's basically just storage for a bunch of constants, however LegalizeTypes is more picky. The problem is that there may not exist any legal vector-of-integers type with a legal element type, so it is impossible to create a legal mask! Unless of course you cheat by creating a BUILD_VECTOR where the operands have a different type to the element type of the vector being built... This is pretty ugly but works - all relevant tests in the testsuite pass, and produce the same assembler with and without LegalizeTypes. llvm-svn: 47670