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Author SHA1 Message Date
Hiroshi Inoue 7a08bb1458 [PowerPC] fix potential verification errors on CFENCE8 
This patch fixes a potential verification error (64-bit register operands for cmpw) with -verify-machineinstrs.

Differential Revision: https://reviews.llvm.org/D34208

llvm-svn: 305479
 2017-06-15 16:51:28 +00:00
Tim Shen a2b85da879 [PPC] Fix atomics lowering in DAG lowering. 
I forgot to forward the chain, causing some missing instruction
dependencies. The test crashes the compiler without this patch.

Inspired by the test case, D33519 also tries to remove the extra sync.

Differential Revision: https://reviews.llvm.org/D33573

llvm-svn: 303931
 2017-05-25 22:58:35 +00:00