Jay Foad 6c1703b074 [SDA] Don't stop divergence propagation at the IPD. ... Summary: This fixes B42473 and B42706. This patch makes the SDA propagate branch divergence until the end of the RPO traversal. Before, the SyncDependenceAnalysis propagated divergence only until the IPD in rpo order. RPO is incompatible with post dominance in the presence of loops. This made the SDA crash because blocks were missed in the propagation. Reviewers: foad, nhaehnle Reviewed By: foad Subscribers: jvesely, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D65274 llvm-svn: 372223		2019-09-18 13:40:22 +00:00
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AMDGPU	[SDA] Don't stop divergence propagation at the IPD.	2019-09-18 13:40:22 +00:00
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