[llvm] [SPIRV] Add legalization for long vectors (PR #169665)

[Steven Perron via llvm-commits]

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@@ -14,16 +14,22 @@
 #include "SPIRV.h"
 #include "SPIRVGlobalRegistry.h"
 #include "SPIRVSubtarget.h"
+#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
 #include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
 #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/TargetOpcodes.h"
+#include "llvm/IR/IntrinsicsSPIRV.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/MathExtras.h"
 
 using namespace llvm;
 using namespace llvm::LegalizeActions;
 using namespace llvm::LegalityPredicates;
 
+#define DEBUG_TYPE "spirv-legalizer"
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s-perron wrote:

This allow us to use the `-debug-only=spirv-legalizer` option to turn on the debugging information.

https://github.com/llvm/llvm-project/pull/169665