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4 Commits

Author SHA1 Message Date
Pawel Bylica c52eabb285 Reapply r240291: Fix shl folding in DAG combiner. 
The code responsible for shl folding in the DAGCombiner was assuming incorrectly that all constants are less than 64 bits. This patch simply changes the way values are compared.

It has been reverted previously because of some problems with comparing APInt with raw uint64_t. That has been fixed/changed with r241204.

llvm-svn: 241254
 2015-07-02 11:44:54 +00:00
Pawel Bylica e6fd8c4232 Revert r240291: causes problems in self-hosted builds. 
llvm-svn: 240343
 2015-06-22 21:54:07 +00:00
Pawel Bylica 776b553438 Set missing x86 arch in a CodeGen regression test. 
Fixes the regression test added in r240291.

llvm-svn: 240336
 2015-06-22 21:18:10 +00:00
Pawel Bylica 06407c0320 Fix shl folding in DAG combiner. 
Summary: The code responsible for shl folding in the DAGCombiner was assuming incorrectly that all constants are less than 64 bits. This patch simply changes the way values are compared.

Test Plan: A regression test included.

Reviewers: andreadb

Reviewed By: andreadb

Subscribers: andreadb, test, llvm-commits

Differential Revision: http://reviews.llvm.org/D10602

llvm-svn: 240291
 2015-06-22 15:58:11 +00:00