increase threshold for early out pattern to avoid catching

traoux1 · gfxbot · commit b053669be014 · 2018-08-14T11:48:35.000-07:00
inefficient case

Change-Id: I58a2ff6c61ad44887fb6bc0daeb4d3dba63f78e8
diff --git a/IGC/Compiler/CustomUnsafeOptPass.cpp b/IGC/Compiler/CustomUnsafeOptPass.cpp
@@ -2795,7 +2795,7 @@ bool EarlyOutPatterns::processBlock(BasicBlock* BB)
                     DotProductSourceMatch(CI) && canOptimizeDotProduct(Values, &II);
                 // Lower the ratio threshold for this case
                 FoldThreshold = 9;
-                RatioNeeded = 3;
+                RatioNeeded = 4;
             }
             else if (auto *GII = dyn_cast<GenIntrinsicInst>(&II))
 			{

Original file line number	Diff line number	Diff line change
`@@ -2795,7 +2795,7 @@ bool EarlyOutPatterns::processBlock(BasicBlock* BB)`
`2795`	`2795`	`DotProductSourceMatch(CI) && canOptimizeDotProduct(Values, &II);`
`2796`	`2796`	`// Lower the ratio threshold for this case`
`2797`	`2797`	`FoldThreshold = 9;`
`2798`		`- RatioNeeded = 3;`
	`2798`	`+ RatioNeeded = 4;`
`2799`	`2799`	`}`
`2800`	`2800`	`else if (auto *GII = dyn_cast<GenIntrinsicInst>(&II))`
`2801`	`2801`	`{`