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cf44f794e4
-loop-extract-single is just -loop-extract on one loop. -loop-extract depended on -break-crit-edges and -loop-simplify in the legacy PM, but the NPM doesn't allow specifying pass dependencies like that, so manually add those passes to the RUN lines where necessary. Reviewed By: asbirlea Differential Revision: https://reviews.llvm.org/D89016
47 lines
1.3 KiB
LLVM
47 lines
1.3 KiB
LLVM
; RUN: opt < %s -inline -loop-simplify -loop-extract -S | FileCheck %s
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; RUN: opt < %s -argpromotion -loop-simplify -loop-extract -S | FileCheck %s
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; This test used to trigger an assert (PR8929).
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define void @test() {
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; CHECK-LABEL: define void @test()
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label %codeRepl
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; CHECK: codeRepl:
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; CHECK-NEXT: call void @test.loopentry()
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; CHECK-NEXT: br label %loopexit
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; CHECK: loopexit:
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; CHECK-NEXT: br label %exit
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; CHECK: exit:
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; CHECK-NEXT: ret void
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entry:
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br label %loopentry
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loopentry: ; preds = %loopbody, %entry
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br i1 undef, label %loopbody, label %loopexit
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loopbody: ; preds = %codeRepl1
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call void @foo()
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br label %loopentry
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loopexit: ; preds = %codeRepl
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br label %exit
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exit: ; preds = %loopexit
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ret void
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}
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declare void @foo()
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; CHECK-LABEL: define internal void @test.loopentry()
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; CHECK-NEXT: newFuncRoot:
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; CHECK-NEXT: br label %loopentry
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; CHECK: loopexit.exitStub:
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; CHECK-NEXT: ret void
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; CHECK: loopentry:
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; CHECK-NEXT: br i1 false, label %loopbody, label %loopexit.exitStub
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; CHECK: loopbody:
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: br label %loopentry
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