Indicate that DT is preserved in ObjCARCContractPass

DataCorrupted · DataCorrupted · commit 34e6238e64f0 · 2024-08-06T12:31:37.000-07:00
Tests have been changed to show that we don't have as much DT construction as before.
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCContract.cpp
@@ -740,6 +740,7 @@ INITIALIZE_PASS_END(ObjCARCContractLegacyPass, "objc-arc-contract",
 void ObjCARCContractLegacyPass::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addRequired<AAResultsWrapperPass>();
   AU.addRequired<DominatorTreeWrapperPass>();
+  AU.addPreserved<DominatorTreeWrapperPass>();
 }
 
 Pass *llvm::createObjCARCContractPass() {
diff --git a/llvm/test/CodeGen/AArch64/O3-pipeline.ll b/llvm/test/CodeGen/AArch64/O3-pipeline.ll
@@ -110,7 +110,6 @@
 ; CHECK-NEXT:       Safe Stack instrumentation pass
 ; CHECK-NEXT:       Insert stack protectors
 ; CHECK-NEXT:       Module Verifier
-; CHECK-NEXT:       Dominator Tree Construction
 ; CHECK-NEXT:       Basic Alias Analysis (stateless AA impl)
 ; CHECK-NEXT:       Function Alias Analysis Results
 ; CHECK-NEXT:       Natural Loop Information
diff --git a/llvm/test/CodeGen/ARM/O3-pipeline.ll b/llvm/test/CodeGen/ARM/O3-pipeline.ll
@@ -72,7 +72,6 @@
 ; CHECK-NEXT:      Safe Stack instrumentation pass
 ; CHECK-NEXT:      Insert stack protectors
 ; CHECK-NEXT:      Module Verifier
-; CHECK-NEXT:      Dominator Tree Construction
 ; CHECK-NEXT:      Basic Alias Analysis (stateless AA impl)
 ; CHECK-NEXT:      Function Alias Analysis Results
 ; CHECK-NEXT:      Natural Loop Information
diff --git a/llvm/test/CodeGen/LoongArch/opt-pipeline.ll b/llvm/test/CodeGen/LoongArch/opt-pipeline.ll
@@ -77,7 +77,6 @@
 ; LAXX-NEXT:       Safe Stack instrumentation pass
 ; LAXX-NEXT:       Insert stack protectors
 ; LAXX-NEXT:       Module Verifier
-; LAXX-NEXT:       Dominator Tree Construction
 ; LAXX-NEXT:       Basic Alias Analysis (stateless AA impl)
 ; LAXX-NEXT:       Function Alias Analysis Results
 ; LAXX-NEXT:       Natural Loop Information
diff --git a/llvm/test/CodeGen/M68k/pipeline.ll b/llvm/test/CodeGen/M68k/pipeline.ll
@@ -47,7 +47,6 @@
 ; CHECK-NEXT:      Safe Stack instrumentation pass
 ; CHECK-NEXT:      Insert stack protectors
 ; CHECK-NEXT:      Module Verifier
-; CHECK-NEXT:      Dominator Tree Construction
 ; CHECK-NEXT:      Basic Alias Analysis (stateless AA impl)
 ; CHECK-NEXT:      Function Alias Analysis Results
 ; CHECK-NEXT:      Natural Loop Information
diff --git a/llvm/test/CodeGen/PowerPC/O3-pipeline.ll b/llvm/test/CodeGen/PowerPC/O3-pipeline.ll
@@ -88,7 +88,6 @@
 ; CHECK-NEXT:       Safe Stack instrumentation pass
 ; CHECK-NEXT:       Insert stack protectors
 ; CHECK-NEXT:       Module Verifier
-; CHECK-NEXT:       Dominator Tree Construction
 ; CHECK-NEXT:       Basic Alias Analysis (stateless AA impl)
 ; CHECK-NEXT:       Function Alias Analysis Results
 ; CHECK-NEXT:       Natural Loop Information
diff --git a/llvm/test/CodeGen/RISCV/O3-pipeline.ll b/llvm/test/CodeGen/RISCV/O3-pipeline.ll
@@ -81,7 +81,6 @@
 ; CHECK-NEXT:       Safe Stack instrumentation pass
 ; CHECK-NEXT:       Insert stack protectors
 ; CHECK-NEXT:       Module Verifier
-; CHECK-NEXT:       Dominator Tree Construction
 ; CHECK-NEXT:       Basic Alias Analysis (stateless AA impl)
 ; CHECK-NEXT:       Function Alias Analysis Results
 ; CHECK-NEXT:       Natural Loop Information
@@ -197,7 +196,7 @@
 ; CHECK-NEXT:       Machine Optimization Remark Emitter
 ; CHECK-NEXT:       Stack Frame Layout Analysis
 ; CHECK-NEXT:       RISC-V Zcmp move merging pass
-; CHECK-NEXT:       RISC-V Zcmp Push/Pop optimization pass 
+; CHECK-NEXT:       RISC-V Zcmp Push/Pop optimization pass
 ; CHECK-NEXT:       RISC-V Indirect Branch Tracking
 ; CHECK-NEXT:       RISC-V pseudo instruction expansion pass
 ; CHECK-NEXT:       RISC-V atomic pseudo instruction expansion pass
diff --git a/llvm/test/CodeGen/X86/opt-pipeline.ll b/llvm/test/CodeGen/X86/opt-pipeline.ll
@@ -78,7 +78,6 @@
 ; CHECK-NEXT:       Safe Stack instrumentation pass
 ; CHECK-NEXT:       Insert stack protectors
 ; CHECK-NEXT:       Module Verifier
-; CHECK-NEXT:       Dominator Tree Construction
 ; CHECK-NEXT:       Basic Alias Analysis (stateless AA impl)
 ; CHECK-NEXT:       Function Alias Analysis Results
 ; CHECK-NEXT:       Natural Loop Information

Original file line number	Diff line number	Diff line change
`@@ -740,6 +740,7 @@ INITIALIZE_PASS_END(ObjCARCContractLegacyPass, "objc-arc-contract",`
`740`	`740`	`void ObjCARCContractLegacyPass::getAnalysisUsage(AnalysisUsage &AU) const {`
`741`	`741`	`AU.addRequired<AAResultsWrapperPass>();`
`742`	`742`	`AU.addRequired<DominatorTreeWrapperPass>();`
	`743`	`+ AU.addPreserved<DominatorTreeWrapperPass>();`
`743`	`744`	`}`
`744`	`745`
`745`	`746`	`Pass *llvm::createObjCARCContractPass() {`