[Autobackout][FunctionalRegression]Revert of change: 6876fb5: Enable loop unrolling in retry

sys-igc · igcbot · commit 215e971107b6 · 2025-08-19T19:22:15.000+02:00
Enable loop unrolling in retry
diff --git a/IGC/Compiler/CISACodeGen/ShaderCodeGen.cpp b/IGC/Compiler/CISACodeGen/ShaderCodeGen.cpp
@@ -1353,6 +1353,10 @@ void OptimizeIR(CodeGenContext *const pContext) {
         }
 
 
+        // Can be completely repalced by LoopUnrollForCodeSizeOnly in GenTTI, Consider completely remove this pass
+        if (!pContext->m_retryManager.IsFirstTry() && pContext->m_retryManager.IsLastTry()) {
+          mpm.add(new DisableLoopUnrollOnRetry());
+        }
 
 
         mpm.add(createIGCInstructionCombiningPass());

Original file line number	Diff line number	Diff line change
`@@ -1353,6 +1353,10 @@ void OptimizeIR(CodeGenContext *const pContext) {`
`1353`	`1353`	`}`
`1354`	`1354`
`1355`	`1355`
	`1356`	`+ // Can be completely repalced by LoopUnrollForCodeSizeOnly in GenTTI, Consider completely remove this pass`
	`1357`	`+ if (!pContext->m_retryManager.IsFirstTry() && pContext->m_retryManager.IsLastTry()) {`
	`1358`	`+ mpm.add(new DisableLoopUnrollOnRetry());`
	`1359`	`+ }`
`1356`	`1360`
`1357`	`1361`
`1358`	`1362`	`mpm.add(createIGCInstructionCombiningPass());`