fixup! [RISCV] Enable LoopDataPrefetch pass

wangpc-pp · wangpc-pp · commit acbc314266ee · 2023-11-10T13:35:48.000+08:00
use bits&lt;32&gt; and change default value to UINT_MAX
diff --git a/llvm/lib/Target/RISCV/RISCVProcessors.td b/llvm/lib/Target/RISCV/RISCVProcessors.td
@@ -18,7 +18,7 @@ class RISCVTuneInfo {
   bits<16> CacheLineSize = 0;
   bits<16> PrefetchDistance = 0;
   bits<16> MinPrefetchStride = 1;
-  bits<16> MaxPrefetchIterationsAhead = 65535;
+  bits<32> MaxPrefetchIterationsAhead = -1;
 }
 
 def RISCVTuneInfoTable : GenericTable {
diff --git a/llvm/lib/Target/RISCV/RISCVSubtarget.h b/llvm/lib/Target/RISCV/RISCVSubtarget.h
@@ -43,7 +43,7 @@ struct RISCVTuneInfo {
   uint16_t CacheLineSize;
   uint16_t PrefetchDistance;
   uint16_t MinPrefetchStride;
-  uint16_t MaxPrefetchIterationsAhead;
+  unsigned MaxPrefetchIterationsAhead;
 };
 
 #define GET_RISCVTuneInfoTable_DECL

Original file line number	Diff line number	Diff line change
`@@ -18,7 +18,7 @@ class RISCVTuneInfo {`
`18`	`18`	`bits<16> CacheLineSize = 0;`
`19`	`19`	`bits<16> PrefetchDistance = 0;`
`20`	`20`	`bits<16> MinPrefetchStride = 1;`
`21`		`- bits<16> MaxPrefetchIterationsAhead = 65535;`
	`21`	`+ bits<32> MaxPrefetchIterationsAhead = -1;`
`22`	`22`	`}`
`23`	`23`
`24`	`24`	`def RISCVTuneInfoTable : GenericTable {`