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authorWeiming Zhao <weimingz@codeaurora.org>2016-06-28 22:30:45 +0000
committerWeiming Zhao <weimingz@codeaurora.org>2016-06-28 22:30:45 +0000
commit5410edddb1dcd2a46fa0f212fb4cb0403ba7431d (patch)
treea9f9ae65a39c91d5d94a3496560052dd97ec674e /lldb/packages/Python/lldbsuite/test/expression_command/call-function/TestCallUserDefinedFunction.py
parentd16490dfd19f8cdb1ca03388ca762707a501558b (diff)
downloadbcm5719-llvm-5410edddb1dcd2a46fa0f212fb4cb0403ba7431d.tar.gz
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[ARM] Fix 28282: cost computation for constant hoisting
Summary: This fixes bug: https://llvm.org/bugs/show_bug.cgi?id=28282 Currently the cost model of constant hoisting checks the bit width of the data type of the constants. However, the actual immediate value is small enough and not need to be hoisted. This patch checks for the actual bit width needed for the constant. Reviewers: t.p.northover, rengolin Subscribers: aemerson, rengolin, llvm-commits Differential Revision: http://reviews.llvm.org/D21668 llvm-svn: 274073
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