Revert "LLVMContext: Store APInt/APFloat directly into the ConstantInt/FP DenseMaps."

Somehow made DenseMap probe on forever on 32 bit machines.
This reverts commit r223478.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223546 91177308-0d34-0410-b5e6-96231b3b80d8
Fix corner cases in lit xunit for paths with dots

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223549 91177308-0d34-0410-b5e6-96231b3b80d8
AArch64: use explicit MVT::i64 when creating EXTRACT_SUBVECTOR nodes.

All our patterns use MVT::i64, but the ISelLowering nodes were inconsistent in
their choice.

No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223551 91177308-0d34-0410-b5e6-96231b3b80d8
[TEST-COMMIT] As per Developer Policy, Added a blank line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223553 91177308-0d34-0410-b5e6-96231b3b80d8
Canonicalize multiplies by looking at whether the operands have any constants themselves. Patch by Tim Murray!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223554 91177308-0d34-0410-b5e6-96231b3b80d8
Utils: Avoid RAUW on metadata in CloneFunction()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223555 91177308-0d34-0410-b5e6-96231b3b80d8
Utils: Style cleanups, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223556 91177308-0d34-0410-b5e6-96231b3b80d8