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Author SHA1 Message Date
Qiu Chaofan bec81dc67d Reland "[PowerPC] Implement instruction clustering for stores" 
Commit 3c0b3250 introduced store fusion for PowerPC target, but it
brought failure under UB sanitizer and was reverted. This patch fixes
them.
 2020-09-13 19:51:01 +08:00
Qiu Chaofan 8d9c13f37d Revert "[PowerPC] Implement instruction clustering for stores" 
This reverts commit 3c0b325023, (along
with ea795304 and bb39eb9e) since it breaks test with UB sanitizer.
 2020-09-08 17:24:08 +08:00
Qiu Chaofan 3c0b325023 [PowerPC] Implement instruction clustering for stores 
On Power10, it's profitable to schedule some stores with adjacent target
address together. This patch implements this feature.

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D86754
 2020-09-08 11:03:09 +08:00