TargetPassConfig.cpp - use auto const& iterator in for-range loop to avoid copies. NFCI.

RKSimon · RKSimon · commit 3ae07b2a33f5 · 2020-09-21T17:17:11.000+01:00
diff --git a/llvm/lib/CodeGen/TargetPassConfig.cpp b/llvm/lib/CodeGen/TargetPassConfig.cpp
@@ -550,7 +550,7 @@ void TargetPassConfig::addPass(Pass *P, bool verifyAfter) {
       addMachinePostPasses(Banner, /*AllowVerify*/ verifyAfter);
 
     // Add the passes after the pass P if there is any.
-    for (auto IP : Impl->InsertedPasses) {
+    for (const auto &IP : Impl->InsertedPasses) {
       if (IP.TargetPassID == PassID)
         addPass(IP.getInsertedPass(), IP.VerifyAfter);
     }

Original file line number	Diff line number	Diff line change
`@@ -550,7 +550,7 @@ void TargetPassConfig::addPass(Pass *P, bool verifyAfter) {`
`550`	`550`	`addMachinePostPasses(Banner, /AllowVerify/ verifyAfter);`
`551`	`551`
`552`	`552`	`// Add the passes after the pass P if there is any.`
`553`		`- for (auto IP : Impl->InsertedPasses) {`
	`553`	`+ for (const auto &IP : Impl->InsertedPasses) {`
`554`	`554`	`if (IP.TargetPassID == PassID)`
`555`	`555`	`addPass(IP.getInsertedPass(), IP.VerifyAfter);`
`556`	`556`	`}`