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559254b697
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73633 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
552 B
LLVM
20 lines
552 B
LLVM
; RUN: llvm-as < %s | opt -analyze -scalar-evolution -disable-output
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; PR2602
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define i32 @a() nounwind {
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entry:
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br label %bb
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bb: ; preds = %bb, %entry
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%w.0 = phi i32 [ 0, %entry ], [ %tmp, %bb ] ; <i32> [#uses=2]
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%e.0 = phi i32 [ 0, %entry ], [ %e.1, %bb ] ; <i32> [#uses=2]
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%w.1 = add i32 0, %w.0 ; <i32>:0 [#uses=1]
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%tmp = add i32 %e.0, %w.0 ; <i32>:1 [#uses=1]
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%e.1 = add i32 %e.0, 1 ; <i32>:2 [#uses=1]
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%cond = icmp eq i32 %w.1, -1 ; <i1>:3 [#uses=1]
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br i1 %cond, label %return, label %bb
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return: ; preds = %bb
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ret i32 undef
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}
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