Remove redundant LICM pass

Jay-Jiewu-Lu · sys_zuul · commit 484de8a8f670 · 2020-07-23T23:38:50.000-07:00
Change-Id: I19bf17914e7c78011f07a1f741149b841655d081
diff --git a/IGC/Compiler/CISACodeGen/ShaderCodeGen.cpp b/IGC/Compiler/CISACodeGen/ShaderCodeGen.cpp
@@ -1486,7 +1486,6 @@ void OptimizeIR(CodeGenContext* const pContext)
                     int licmTh = IGC_GET_FLAG_VALUE(LICMStatThreshold);
                     mpm.add(new InstrStatistic(pContext, LICM_STAT, InstrStatStage::BEGIN, licmTh));
                     mpm.add(llvm::createLICMPass());
-                    mpm.add(llvm::createLICMPass());
                     mpm.add(new InstrStatistic(pContext, LICM_STAT, InstrStatStage::END, licmTh));
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -1486,7 +1486,6 @@ void OptimizeIR(CodeGenContext* const pContext)`
`1486`	`1486`	`int licmTh = IGC_GET_FLAG_VALUE(LICMStatThreshold);`
`1487`	`1487`	`mpm.add(new InstrStatistic(pContext, LICM_STAT, InstrStatStage::BEGIN, licmTh));`
`1488`	`1488`	`mpm.add(llvm::createLICMPass());`
`1489`		`- mpm.add(llvm::createLICMPass());`
`1490`	`1489`	`mpm.add(new InstrStatistic(pContext, LICM_STAT, InstrStatStage::END, licmTh));`
`1491`	`1490`	`}`
`1492`	`1491`