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Commit a5376f63 authored by Craig Topper's avatar Craig Topper
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[GlobalISel][AArch64][AMDGPU][X86] Teach LegalizationArtifactCombiner to combine trunc(g_constant). 

This allows X86 to properly form shift by immediate instructions
since we require an 8-bit constant to match the imported
SelectionDAG patterns.
parent 76ee21e1
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