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archived-llvm/lib/Target/AMDGPU
Jay Foad f0c173a27b [AMDGPU] Make printf lowering faster when there are no printfs
Summary:
Printf lowering unconditionally visited every instruction in the module.
To make it faster in the common case where there are no printfs, look up
the printf function (if any) and iterate over its users instead.

Reviewers: rampitec, kzhuravl, alex-t, arsenm

Subscribers: jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68145

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@373433 91177308-0d34-0410-b5e6-96231b3b80d8
2019-10-02 08:44:15 +00:00
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