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[CodeGen][NPM] Account inserted passes for -start/stop options #138830

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[CodeGen][NPM] Account inserted passes for -start/stop options #138830

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6 changes: 4 additions & 2 deletions 6 llvm/include/llvm/Passes/CodeGenPassBuilder.h
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Original file line number Diff line number Diff line change
Expand Up @@ -583,8 +583,10 @@ template <typename DerivedT, typename TargetMachineT> class CodeGenPassBuilder {
void insertPass(InsertedPassT &&Pass) const {
AfterCallbacks.emplace_back(
[&](StringRef Name, MachineFunctionPassManager &MFPM) mutable {
if (Name == TargetPassT::name())
MFPM.addPass(std::forward<InsertedPassT>(Pass));
if (Name == TargetPassT::name()) {
if (runBeforeAdding(InsertedPassT::name()))
MFPM.addPass(std::forward<InsertedPassT>(Pass));
}
});
}

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15 changes: 15 additions & 0 deletions 15 llvm/test/tools/llc/new-pm/start-stop-inserted.ll
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
; REQUIRES: amdgpu-registered-target

; AMDGPU inserts the fourth instance of dead-mi-elimination pass after detect-dead-lanes
; This checks that the pipeline stops before that.

; RUN: llc -mtriple=amdgcn-amd-amdhsa -O3 -enable-new-pm -stop-before=dead-mi-elimination,4 --print-pipeline-passes -filetype=null %s | FileCheck %s

; There is no way to -start-after an inserted pass right now.
; RUN: not llc -mtriple=amdgcn-amd-amdhsa -O3 -enable-new-pm -start-after=dead-mi-elimination,4 --print-pipeline-passes -filetype=null %s


; CHECK: dead-mi-elimination
; CHECK: dead-mi-elimination
; CHECK: dead-mi-elimination
; CHECK-NOT: dead-mi-elimination
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