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20 lines
381 B
20 lines
381 B
; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
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; PR2003
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; CHECK: umax
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define i32 @foo(i32 %n) {
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entry:
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br label %header
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header:
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%i = phi i32 [ 100, %entry ], [ %i.inc, %next ]
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%cond = icmp ult i32 %i, %n
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br i1 %cond, label %next, label %return
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next:
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%i.inc = add i32 %i, 1
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br label %header
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return:
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ret i32 %i
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}
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