Add missing fence before EOT W/A when a kernel only has typed writes.

weiyu-chen · sys_zuul · commit 4ea6c1d55dbd · 2020-06-19T14:15:32.000-07:00
Change-Id: I4d1941fde4b7f990a28b6bce871beb1f10182bbc
diff --git a/visa/Optimizer.cpp b/visa/Optimizer.cpp
@@ -8130,7 +8130,7 @@ void genBucket(G4_INST *send, Bucket *bucket, RW rwType) {
                 auto iter = std::prev(bb->end());
 
                 {
-                    if (hasUAVWrites)
+                    if (hasUAVWrites || hasTypedWrites)
                     {
                         auto fenceInst = builder.createFenceInstruction(0, true, true, false);
                         bb->insert(iter, fenceInst);

Original file line number	Diff line number	Diff line change
`@@ -8130,7 +8130,7 @@ void genBucket(G4_INST send, Bucket bucket, RW rwType) {`
`8130`	`8130`	`auto iter = std::prev(bb->end());`
`8131`	`8131`
`8132`	`8132`	`{`
`8133`		`- if (hasUAVWrites)`
	`8133`	`+ if (hasUAVWrites \|\| hasTypedWrites)`
`8134`	`8134`	`{`
`8135`	`8135`	`auto fenceInst = builder.createFenceInstruction(0, true, true, false);`
`8136`	`8136`	`bb->insert(iter, fenceInst);`