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from 8978f2978f4 [GlobalISel][X86] Lower FormalArgument/Ret using G_MERGE_VA [...] new 7b717b6e436 InstCombine/AMDGPU: Fix constant folding of llvm.amdgcn.{ic [...] new fa273182f48 Compute safety information in a much finer granularity.

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Summary of changes: include/llvm/Transforms/Utils/LoopUtils.h | 6 +- lib/Transforms/InstCombine/InstCombineCalls.cpp | 22 ++++++- lib/Transforms/Scalar/LICM.cpp | 32 ++++----- lib/Transforms/Scalar/LoopIdiomRecognize.cpp | 2 +- lib/Transforms/Utils/LoopUtils.cpp | 24 +++---- test/Transforms/InstCombine/amdgcn-intrinsics.ll | 6 +- test/Transforms/LICM/loop-early-exits.ll | 82 ++++++++++++++++++++++++ test/Transforms/LICM/preheader-safe.ll | 14 ---- 8 files changed, 129 insertions(+), 59 deletions(-) create mode 100644 test/Transforms/LICM/loop-early-exits.ll