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[AMDGPU] Set LoopInfo as preserved by SIAnnotateControlFlow

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The pass does not change loops, it just adds calls.

Differential Revision: https://reviews.llvm.org/D105583
This commit is contained in:
Stanislav Mekhanoshin 2021-07-07 12:28:30 -07:00
parent 4f2df3c6f8
commit ea5d414af6
2 changed files with 1 additions and 5 deletions
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1
lib/Target/AMDGPU/SIAnnotateControlFlow.cpp
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@ -100,6 +100,7 @@ public:
AU.addRequired<LoopInfoWrapperPass>();
AU.addRequired<DominatorTreeWrapperPass>();
AU.addRequired<LegacyDivergenceAnalysis>();
AU.addPreserved<LoopInfoWrapperPass>();
AU.addPreserved<DominatorTreeWrapperPass>();
AU.addRequired<TargetPassConfig>();
FunctionPass::getAnalysisUsage(AU);

5
test/CodeGen/AMDGPU/llc-pipeline.ll
View File

@ -91,7 +91,6 @@
; GCN-O0-NEXT: Memory SSA
; GCN-O0-NEXT: AMDGPU Annotate Uniform Values
; GCN-O0-NEXT: SI annotate control flow
; GCN-O0-NEXT: Natural Loop Information
; GCN-O0-NEXT: LCSSA Verifier
; GCN-O0-NEXT: Loop-Closed SSA Form Pass
; GCN-O0-NEXT: DummyCGSCCPass
@ -266,7 +265,6 @@
; GCN-O1-NEXT: Memory SSA
; GCN-O1-NEXT: AMDGPU Annotate Uniform Values
; GCN-O1-NEXT: SI annotate control flow
; GCN-O1-NEXT: Natural Loop Information
; GCN-O1-NEXT: LCSSA Verifier
; GCN-O1-NEXT: Loop-Closed SSA Form Pass
; GCN-O1-NEXT: DummyCGSCCPass
@ -537,7 +535,6 @@
; GCN-O1-OPTS-NEXT: Memory SSA
; GCN-O1-OPTS-NEXT: AMDGPU Annotate Uniform Values
; GCN-O1-OPTS-NEXT: SI annotate control flow
; GCN-O1-OPTS-NEXT: Natural Loop Information
; GCN-O1-OPTS-NEXT: LCSSA Verifier
; GCN-O1-OPTS-NEXT: Loop-Closed SSA Form Pass
; GCN-O1-OPTS-NEXT: DummyCGSCCPass
@ -816,7 +813,6 @@
; GCN-O2-NEXT: Memory SSA
; GCN-O2-NEXT: AMDGPU Annotate Uniform Values
; GCN-O2-NEXT: SI annotate control flow
; GCN-O2-NEXT: Natural Loop Information
; GCN-O2-NEXT: LCSSA Verifier
; GCN-O2-NEXT: Loop-Closed SSA Form Pass
; GCN-O2-NEXT: DummyCGSCCPass
@ -1109,7 +1105,6 @@
; GCN-O3-NEXT: Memory SSA
; GCN-O3-NEXT: AMDGPU Annotate Uniform Values
; GCN-O3-NEXT: SI annotate control flow
; GCN-O3-NEXT: Natural Loop Information
; GCN-O3-NEXT: LCSSA Verifier
; GCN-O3-NEXT: Loop-Closed SSA Form Pass
; GCN-O3-NEXT: DummyCGSCCPass