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Author SHA1 Message Date
Puyan Lotfi 75a8a212d4 [GlobalISel][NFC] Regression test cases for aarch64 legalizer (s128 sext+icmp). 
There were legalizer asserts in aarch64 globalisel (in debug mode) with s128
sext+icmp before r367060 and r366943 landed. These are just a couple reduced
mir and ir regression tests that came from a build where these were encountered.

llvm-svn: 370602
 2019-09-01 00:45:28 +00:00
Amara Emerson 56606a4db3 [AArch64][GlobalISel] Add support for narrowScalar of G_ZEXT 
We do this by merging the source with the high bits set to 0.

Differential Revision: https://reviews.llvm.org/D66181

llvm-svn: 369480
 2019-08-21 00:12:37 +00:00
Amara Emerson 7bc4fad0fb [AArch64][GlobalISel] Implement narrowing of G_SEXT. 
We need this to narrow a sext to s128.

Differential Revision: https://reviews.llvm.org/D65357

llvm-svn: 367164
 2019-07-26 23:46:38 +00:00