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29 lines
812 B
LLVM
29 lines
812 B
LLVM
; REQUIRES: asserts
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; RUN: opt < %s -tailduplicate -taildup-threshold=3 -stats -disable-output 2>&1 | not grep tailduplicate
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; XFAIL: *
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define i32 @foo(i32 %l) nounwind {
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entry:
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%cond = icmp eq i32 %l, 1 ; <i1> [#uses=1]
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br i1 %cond, label %bb, label %bb9
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bb: ; preds = %entry
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br label %bb9
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bb5: ; preds = %bb9
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%tmp7 = call i32 (...)* @bar( i32 %x.0 ) nounwind ; <i32> [#uses=1]
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br label %bb9
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bb9: ; preds = %bb5, %bb, %entry
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%x.0 = phi i32 [ 0, %entry ], [ %tmp7, %bb5 ], [ 1525, %bb ] ; <i32> [#uses=2]
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%l_addr.0 = phi i32 [ %l, %entry ], [ %tmp11, %bb5 ], [ %l, %bb ] ; <i32> [#uses=1]
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%tmp11 = add i32 %l_addr.0, -1 ; <i32> [#uses=2]
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%tmp13 = icmp eq i32 %tmp11, -1 ; <i1> [#uses=1]
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br i1 %tmp13, label %bb15, label %bb5
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bb15: ; preds = %bb9
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ret i32 %x.0
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}
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declare i32 @bar(...)
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