forked from OSchip/llvm-project
29 lines
1.1 KiB
LLVM
29 lines
1.1 KiB
LLVM
; Make sure that Loop which was invalidated by loop-deletion
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; does not lead to problems for -print-after-all and is just skipped.
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;
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; RUN: opt < %s -disable-output \
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; RUN: -passes=loop-instsimplify -print-after-all 2>&1 | FileCheck %s -check-prefix=SIMPLIFY
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; RUN: opt < %s -disable-output \
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; RUN: -passes=loop-deletion,loop-instsimplify -print-after-all 2>&1 | FileCheck %s -check-prefix=DELETED
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; RUN: opt < %s -disable-output \
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; RUN: -passes=loop-deletion,loop-instsimplify -print-after-all -print-module-scope 2>&1 | FileCheck %s -check-prefix=DELETED-BUT-PRINTED
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;
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; SIMPLIFY: IR Dump {{.*}} LoopInstSimplifyPass
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; DELETED-NOT: IR Dump {{.*}}LoopInstSimplifyPass
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; DELETED-NOT: IR Dump {{.*}}LoopDeletionPass
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; DELETED-BUT-PRINTED: IR Dump {{.*}}LoopDeletionPass {{.*}}(invalidated)
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; DELETED-BUT-PRINTED-NOT: IR Dump {{.*}}LoopInstSimplifyPass
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define void @deleteme() {
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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%iv.next = add i32 %iv, 1
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%check = icmp ult i32 %iv.next, 3
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br i1 %check, label %loop, label %exit
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exit:
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ret void
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}
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