[PATCH] D152564: [AArch64] Add tests for merging LDRSWpre-LDR pairs

[Zhuojia Shen via Phabricator via llvm-commits]

chaosdefinition created this revision.
chaosdefinition added reviewers: stelios-arm, SjoerdMeijer, dmgreen, fhahn, mcrosier, junbuml, t.p.northover, MatzeB, zjaffal.
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This patch adds MIR test cases that test merging an `LDRSWpre`-`LDR` instruction pair into an `LDPSWpre` instruction.  This optimization is currently missing and will be added a subsequent patch (D152407 <https://reviews.llvm.org/D152407>), so all test cases are no merge for now.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D152564

Files:
  llvm/test/CodeGen/AArch64/ldrpre-ldr-merge.mir

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