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[gvn] PRE needs to skip convergent intrinsics/calls.

Authored by hliao on Fri, Oct 30, 7:55 AM.

Description

[gvn] PRE needs to skip convergent intrinsics/calls.

  • As convergent intrinsics/calls could only be moved to control-equivalent blocks, or more precisely the same divergent branch, PRE needs to skip them.

Differential Revision: https://reviews.llvm.org/D90391

Details

Committed
hliaoFri, Oct 30, 8:24 AM
Differential Revision
D90391: [gvn] PRE needs to skip convergent intrinsics/calls.
Parents
rG3d31adaec443: [DSE] Improve partial overlap detection
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