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State that CFG is preserved in 'Falkor HW Prefetch Fix Late Phase'.

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That removes some redundant recomputations from the passes pipeline.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@328272 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Zolotukhin 2018-03-22 23:44:40 +00:00
parent 61fb9e7a94
commit b9182a2b32
2 changed files with 1 additions and 2 deletions
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1
lib/Target/AArch64/AArch64FalkorHWPFFix.cpp
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@ -187,6 +187,7 @@ public:
bool runOnMachineFunction(MachineFunction &Fn) override;
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesCFG();
AU.addRequired<MachineLoopInfo>();
MachineFunctionPass::getAnalysisUsage(AU);
}

2
test/CodeGen/AArch64/O3-pipeline.ll
View File

@ -142,8 +142,6 @@
; CHECK-NEXT: MachineDominator Tree Construction
; CHECK-NEXT: Machine Natural Loop Construction
; CHECK-NEXT: Falkor HW Prefetch Fix Late Phase
; CHECK-NEXT: MachineDominator Tree Construction
; CHECK-NEXT: Machine Natural Loop Construction
; CHECK-NEXT: PostRA Machine Instruction Scheduler
; CHECK-NEXT: Analyze Machine Code For Garbage Collection
; CHECK-NEXT: Machine Block Frequency Analysis