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Correctly sort self-users (such as PHI nodes). I added a targeted test in `test/Bitcode/use-list-order.ll` and the final missing RUN line to tests in `test/Assembly`. This is part of PR5680. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214417 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
530 B
LLVM
19 lines
530 B
LLVM
; RUN: llvm-as %s -o /dev/null
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; RUN: verify-uselistorder %s -preserve-bc-use-list-order -num-shuffles=5
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; Dominance relationships is not calculated correctly for unreachable blocks,
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; which causes the verifier to barf on this input.
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define i32 @test(i1 %b) {
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BB0:
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ret i32 7 ; Loop is unreachable
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Loop: ; preds = %L2, %Loop
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%B = phi i32 [ %B, %L2 ], [ %B, %Loop ] ;PHI has same value always.
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br i1 %b, label %L2, label %Loop
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L2: ; preds = %Loop
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br label %Loop
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}
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