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Simon Pilgrim 0b21ef1fa3 [SelectionDAG] Add BITCAST handling to ComputeNumSignBits for splatted sign bits.

For cases where we are BITCASTing to vectors of smaller elements, then if the entire source was a splatted sign (src's NumSignBits == SrcBitWidth) we can say that the dst's NumSignBit == DstBitWidth, as we're just splitting those sign bits across multiple elements.

We could generalize this but at the moment the only use case I have is to peek through bitcasts to vector comparison results.

Differential Revision: https://reviews.llvm.org/D37849

llvm-svn: 313543

2017-09-18 16:45:05 +00:00

clang

Another attempt to fix warning discovered by r313487. [-Wunused-lambda-capture]

2017-09-18 08:26:01 +00:00

clang-tools-extra

[clangd] Fix codeAction not decoded properly when sent from some clients

2017-09-18 15:02:59 +00:00

compiler-rt

[scudo] Android build support

2017-09-18 15:40:53 +00:00

debuginfo-tests

[debuginfo-tests] Add string NRVO test for PR34513