Gabor Buella d2f1ab1b10 [x86] invpcid LLVM intrinsic ...

Re-add the feature flag for invpcid, which was removed in r294561.
Add an intrinsic, which always uses a 32 bit integer as first argument,
while the instruction actually uses a 64 bit register in 64 bit mode
for the INVPCID_TYPE argument.

Reviewers: craig.topper

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D47141

llvm-svn: 333255

2018-05-25 06:32:05 +00:00

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