[llvm] [X86][GlobalISel] Enable G_BUILD_VECTOR and G_CONSTANT_POOL (PR #92844)

[Thorsten Schütt via llvm-commits]

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@@ -484,6 +498,19 @@ X86LegalizerInfo::X86LegalizerInfo(const X86Subtarget &STI,
       .widenScalarToNextPow2(1);
 
   // vector ops
+  getActionDefinitionsBuilder(G_BUILD_VECTOR)
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tschuett wrote:

AArch64 legalizes G_BUILD_VECTOR and then tries all kinds of tricks in the selector:
https://github.com/llvm/llvm-project/blob/ac7c482ca581cdab11558b5a37ae5095a1638fd2/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp#L874

https://github.com/llvm/llvm-project/pull/92844