[PATCH] D86310: [X86] Align i128 to 16 bytes in x86-64 datalayout

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: efriedma, echristo, RKSimon, spatel.
Herald added subscribers: nikic, dexonsmith, steven_wu, javed.absar, hiraditya, dschuff.
Herald added a project: LLVM.
craig.topper requested review of this revision.

This is an attempt at rebooting https://reviews.llvm.org/D28990

I've included AutoUpgrade changes to modify the data layout to satisfy the compatible layout check. But this does mean alloca, loads, stores, etc in old IR will automatically get this new alignment.

This should fix PR46320.


https://reviews.llvm.org/D86310

Files:
  clang/lib/Basic/Targets/OSTargets.h
  clang/lib/Basic/Targets/X86.h
  clang/test/CodeGen/target-data.c
  llvm/include/llvm/IR/AutoUpgrade.h
  llvm/lib/IR/AutoUpgrade.cpp
  llvm/lib/Target/X86/X86TargetMachine.cpp
  llvm/test/Bitcode/upgrade-datalayout.ll
  llvm/test/Bitcode/upgrade-datalayout3.ll
  llvm/test/CodeGen/X86/atomic-unordered.ll
  llvm/test/CodeGen/X86/bitcast-i256.ll
  llvm/test/CodeGen/X86/catchpad-dynamic-alloca.ll
  llvm/test/CodeGen/X86/implicit-null-check.ll
  llvm/test/CodeGen/X86/legalize-shl-vec.ll
  llvm/test/CodeGen/X86/osx-private-labels.ll
  llvm/test/CodeGen/X86/scheduler-backtracking.ll
  llvm/test/CodeGen/X86/setcc-wide-types.ll
  llvm/test/CodeGen/X86/sret-implicit.ll
  llvm/test/CodeGen/X86/statepoint-vector.ll
  llvm/test/tools/llvm-lto2/X86/pipeline.ll
  llvm/test/tools/llvm-lto2/X86/slp-vectorize-pm.ll
  llvm/test/tools/llvm-lto2/X86/stats-file-option.ll
  llvm/unittests/Bitcode/DataLayoutUpgradeTest.cpp

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